CN101037655A - High-effective microorganism complex agent and method of using the same for treating city sewage - Google Patents
High-effective microorganism complex agent and method of using the same for treating city sewage Download PDFInfo
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Abstract
The invention discloses a microbe complexing agent with high efficiency and method using thereof for processing municipal wastewater. The microbe complexing agent contains 5-20 shares of nitrifying bacteria, 5-20 shares of denitrifying bacteria, 5-15 shares of bacillus brevis, 5-20 shares of photosynthetic bacteria, 1-20 shares of saccharomycete, each grame culture medium of single species bacteria contains 1.0-3.5 hundred million numbers of bacteria. The invention adopts improved bio-contact oxidation process with a microbe complexing agent with high efficiency as main body, adopting soft assembly complexing biology stuff as biology carrier, increaing anoxia step in a integral SBQ biochemistry treating pool to make hydrolysis and good oxygen oxidize as an integer, nitrifying and denitrifying finished in a pool, removing effectively ammonia, nitrogen and phosphor via aeration regulation and regulation of microbe reaction process. The microbe complexing agent is in characterized in high efficiency and no pollution, the waste water processing method with low cost, less invest, low operation cost, and the method has strong adaptability, less mud product, having better economy and social benefit.
Description
One, technical field:
The present invention relates to a kind of sewage disposal technology, particularly a kind of high-effective microorganism complex and the method for utilizing this recombiner Treating Municipal Sewage.
Two, background technology:
Along with society improves constantly the concern of water environment protection, government has also proposed higher water quality requirement to sewage disposal.For the degraded BOD
5Remove nitrogen, the phosphorus that causes body eutrophication in the time of pollutent, adopted biological carbon and phosphorous removal treatment technology---A/O method and A/A/O method both at home and abroad in recent years morely.These two kinds of technologies both can be used on traditional activated sludge process, segmental influent method, also can use in oxidation ditch, SBR technology and AB method, with further raising effluent quality.But because operating process needs a large amount of mud to reflux and internal reflux, complicated operation, power consumption is higher, a kind of effective sewage disposal approach of still can yet be regarded as before not having new technology to replace.
Biological contact oxidation process is a kind of bio membrane process between activated sludge process and biological filter, and the processing structures of biological contact oxidation process are submergence aeration type biological filters, also claim biological contact oxidation pond.Filler is set in the biological contact oxidation pond, and filler is submerged in the waste water, covers with microbial film on the filler, and in waste water and the microbial film contact process, the organism in the water is by microorganism absorption, oxygenolysis and be converted into new microbial film.The microbial film that comes off from filler is removed after flowing to second pond with water, and waste water is purified.In contact-oxidation pool, the needed oxygen of microorganism is from the water, and waste water then constantly replenishes the dissolved oxygen that loses from the air that blasts.Although the anti-organic loading impact capacity of contact oxidation method is stronger, excessive concentration or low excessively all influential to the activity of biology.When concentration is high, the oxygen supply difficulty, biological activity is poor, and film also is not easy the renewal that comes off: concentration is low excessively, causes under-nutrition, and microbial film is difficult to form as a result.
Chinese patent CN1410366 discloses a kind of " BICT biological denitrification phosphorous removal technique ", and this waste disposal plant spatially constitutes four main unit with preposition anaerobic reactor, suspension growth main reactor, settling tank and biofilm reactor.The design of the disclosed waste disposal plant of Chinese patent CN2481707 is: one-level aeration tank and one-level settling tank adopt the Round Sump structure; Ingress at one-level aeration tank and two-stage aeration tank is provided with the flocculation adsorption zone respectively; From the outlet at bottom of one-level settling tank and second-level settling pond to the one-level aeration tank and the flow process of two-stage aeration tank inlet be the segmentation and the multistage return-flow structure of active sludge.
CN1410366 and CN2481707 are biological process, and efficiencies of nitrogen removal is good, but it is poor to remove phosphorus stabilizer, and be poorer to the phosphor-removing effect that contains high phosphorus sewage.Chinese patent CN1417142 disclosed " chemically reinforced biological phosphate-eliminating process " comprises that biological phosphate-eliminating removes dirt, mud-water separation, anaerobic phosphorus release and chemical dephosphorization processing step, its chemical dephosphorization is to add chemical precipitation agent in the chemical dephosphorization pond, makes the way dephosphorization of the phosphorus precipitation discharging in the treatment solution.Though effectively dephosphorization of this method, but the waste disposal plant of this method has increased by three operating units, promptly increased the denitrification pond and increased P releasing tank and chemical dephosphorization pond between aeration tank and settling tank behind settling tank, this has just increased floor space, increased investment, increased energy consumption, increased weak point such as sewage disposal expense.
City domestic sewage is a kind of sewage of composition more complicated, and organism, inorganics are arranged, have water-soluble, also indissoluble or water-fast compound are arranged, also have hospital wastewater, trade effluent to be mixed in wherein, and instability of flow, composition fluctuation change big.Quite a few industrial pollution enterprise of China would rather be punished also to be unwilling to invest and administer waste water, even there is the waste disposal plant operation also abnormal, insufficient funds are the serious major causes that lag behind of China's waste water control.Therefore, develop that a kind of construction investment is few, running cost is low, good treatment efficiency, the sewage disposal technology that tallies with the national condition be extremely urgent.
Three, summary of the invention:
The purpose of this invention is to provide a kind of method that is used for the high-effective microorganism complex of sewage disposal and utilizes the high-effective microorganism complex Treating Municipal Sewage.
Technical scheme of the present invention:
A kind of high-effective microorganism complex that is used for sewage disposal, it is characterized in that: represent with weight part, recombiner contains 5～20 parts of nitrobacterias, 5～20 parts of denitrifying bacteriums, 5～15 parts of polyP bacterias, 5～20 parts of genus bacillus, 5～20 parts of photosynthetic bacterias, 1～20 part in yeast, all contains 1.0～3.5 hundred million bacterium in monoxenic every gram substratum.
In the described recombiner, 8～15 parts of nitrobacterias, 10～15 parts of denitrifying bacteriums, 8～12 parts of polyP bacterias, 10～15 parts of genus bacillus, 10～15 parts of photosynthetic bacterias, 5～15 parts in yeast.
Also contain in 1～10 part of 1～10 part of the filamentous fungus, 1～8 part of milk-acid bacteria, actinomycetes any one in the described recombiner, or any two kinds, or three kinds, 0.5～1.5 hundred million bacterium all contained in every gram filamentous fungus, milk-acid bacteria or the actinomycetic substratum.
A kind of method of utilizing high-effective microorganism complex to dispose of sewage, comprise grid, regulate preliminary sedimentation tank, biochemistry pool, flocculation sedimentation tank, sludge thickener operating unit, (1) the system debug stage: sewage is earlier after grid is removed bigger suspended substance, enter most of silt of regulating in the preliminary sedimentation tank removal sewage, regulate the pH value and the temperature of sewage, the sewage overflow groove ingress behind preliminary sedimentation tank adds liquid oxygenation sterilant 0～0.05kg/m
3After, sewage enters biochemistry pool, treats that sewage will stop into water during the biologic packing material submergence in the pond; Supply with fresh air by the micro-pore aeration system that the biochemistry pool bottom is laid, the dissolved oxygen in the sewage is brought up to 0.5～2.0mg/L, in biochemistry pool, add high-effective microorganism complex 2～10g/m
3, add Powdered Activated Carbon 0～0.05kg/m simultaneously
3, through cultivation in 5～10 days, being purified gradually in the abundant contact process of microbial film that sewage and microorganism form, sewage is controlled at 6～8h in the residence time of biochemistry pool; Enter dynamic debugging after reaching the emission standard of regulation, sewage is constantly introduced biochemistry pool handle, improve gradually by the designing treatment amount, tail water up to standard is constantly discharged system, and treatment system starts successfully; (2) normal operating phase: after the entire treatment system starts, municipal effluent is constantly introduced treatment system, keeps dissolved oxygen content 0.5～2.0mg/L in the sewage, the microbial film that comes off from filler, enter the flocculation sedimentation tank that is added with flocculation agent, sewage enters treating pond sterilization back qualified discharge then.
The pH value of described sewage is 6～9, and temperature is 5～35 ℃; Described liquid oxygenation sterilant is a released peroxide, and described flocculation agent is a polyacrylamide, and add-on is 0.1～0.5mg/L; Used sterilizing agent was an ozone when described treating pond was sterilized.
Described released peroxide is Potassium peroxide or the sodium peroxide of slowly-releasing or the hydrogen peroxide of slowly-releasing of slowly-releasing.
The present invention adopts improved biological contact oxidation process technology, based on high-effective microorganism complex, be called for short the SBQ flora, adopt soft combined biologic packing material as bio-carrier, increased the anoxic link in integrated SBQ biochemical treatment tank, made hydrolysis, aerobic oxidation one, nitrated, denitrification is finished with the pond, by the regulation and control of aeration regulation and control and microbial reaction process, efficiently slough nitrogen and phosphorus.
Be covered with the biologic packing material that is suspended in the sewage in the SBQ biochemistry pool, this filler has also played the current uniform distribution and air pocket has been become the diffusion of microbubble under shear action except playing the biofilm effect.When producing debugging, pour an amount of sewage, with a certain amount of " activation " back SBQ microorganism, directly be added in the sewage, the SBQ microorganism breeds rapidly, and a large amount of SBQ bacterium are attached on the bio-carrier, forms the high-performance bio film based on the SBQ microorganism, sewage advances from the pond end opening, lays the micropore aeration pipe oxygen supply at the bottom of the pond.The aerating tube-type micropore device of selecting for use is simple in structure, and not fragile, cost is low, safeguards and changes conveniently.
Biofilm carrier floods and is fixed in the underwater, forms a kind of special composite structure, is divided into about two-layerly, and aerobic bacteria forms the aerobic layer that is made of loose filamentary material attached to skin, and anerobe is joining in lining layer adhesive and forms the thicker special anaerobic layer of one deck.On a section of bio-carrier, by outer and in formed aerobic, amphimicrobian and three reaction zones of anaerobism.The pollutent group is by three reaction zones that pass through bio-carrier in outer the reaching, and different bacterium occupies different reaction zones and closely contacts with polluting group, and decomposition reaction takes place.Therefore, aerobic and anaerobism exist simultaneously on same biofilm carrier, and the denitrification phosphorous removal biochemical reaction is also carried out simultaneously.
The carrier that the present invention adopts is the remodeling soft-filler, the fiber rope polyphone that stranding is spun in employing is pressed with synthetic fibres uniform distributed plastic disk, the cell fiber bundle of forming certain-length, change and overcome that the original knotting of axial cord filoselle, stretching resistance are inhomogeneous, why not the time easily broken, disadvantage such as fiber yarn is difficult to horizontal spreading, maldistribution, deflection, microbial film conglomeration in water, the actual specific surface-area is low, work-ing life is short.Soft-filler behind the remodeling doubles than original utilization ratio.Support by the dish type plastic skeleton, make as filler after handling through modification by synthetic silk surface, make this filler have good wetting ability.
Positive beneficial effect of the present invention:
(1) microorganism complex of the present invention has efficient, free of contamination characteristics
The present invention adopts and delivers directly SBQ microbial method water purification technology, the living bacteria count amount is big, have the characteristics highly concentrated, that injected volume is few, do not need to add microbial compound preparation and gac generally speaking, as need add microorganism with the enhancement process ability when running into Special Circumstances (increase significantly suddenly, surpass more than 300% of design loading) as organic load.The SBQ microorganism can breed rapidly in polluted-water, and pollutent is efficiently decomposed.The SBQ biotechnology is administered in the whole process of sewage, does not have any noxious chemical and participates in, and the microorganism of employing all is the beneficial microorganisms from the nature seed selection, can not cause secondary pollution to environment.
(2) low, the reduced investment of sewage treatment method cost of the present invention, working cost are low
The SBQ sewage biological treatment technique is compared with A/A/O technology and oxidation ditch process, and reduced investment, operational administrative are easy, high efficiency, stable and reliable operation, running cost are cheap.Infrastructure investment of the present invention is compared with activated sludge process and is reduced more than 60%, and ton water treatment energy consumption is about 0.16kWh, because easy and simple to handle, operation and managerial personnel reduce, and have saved cost of investment and working cost greatly.
Through nearly 1 year operation practice, with this technology and at present domestic activated sludge process, the A that generally adopts
2O technology and oxidation ditch process contrast see Table 1.
Table 1 SBQ biologic treating technique of the present invention and other technical operation parameter comparison sheet
| Content | The SBQ treatment process | Activated sludge process | A 2The O method | Oxidation ditch process |
| Cultivate the domestication time | 7～10 days | 30～60 | 30～60 | 30～60 |
| COD CrClearance % | ＞90 | ＞90 | ＞90 | ＞90 |
| BOD 5Clearance % | 85～95 | 85～95 | 85～95 | 85～95 |
| Ammonia nitrogen removal frank % | ＞90 | ＜70 | 70～80 | ＜70 |
| Volumetric loading kgBOD/m 3.d | 1.0～1.5 | 0.4～0.9 | 0.67 | 0.1～0.2 |
| Biomass g/L | 10～20 | 1.5～3.0 | 4 | 1.5～3.0 |
| Sludge quantity kg/kgBOD 5 | 0.05 | 0.5 | 0.4 | 0.5 |
| Return sludge ratio % | Do not have | 20～50 | 100 | 50～150 |
| Mixed-liquor return denitrogenation % | Do not have | 100 | 100～400 | 100 |
| Total residence time h | 6～10 | 4～12 | 8～12 | 10～48h |
| Requirement to sewage quality | Generally | High | High | High |
| Impact tolerance | High | Low | Low | High |
| Floor space | Less | Less | Bigger | Greatly |
| Operational administrative | Simply | Complicated | Complicated | Simply |
By comparing as seen, SBQ biological treatment of the present invention is lower than dirt mud method, A on the biological culture domestication time
2O method and oxidation ditch process have remarkable advantages; Ammonia nitrogen removal frank is higher, and treated technological process control dissolved oxygen content can improve ammonia nitrogen removal frank, need not increase backflow, and deviating from the ammonia nitrogen link does not increase the sewage disposal expense yet; Sludge yield is few, is 1/10 of activated sludge process approximately.
(3) sewage treatment method adaptability of the present invention is strong, sludge output is few
SBQ biological treatment municipal effluent technology of the present invention has the advantage of bio-contact oxidation treatment technology, thereby has tangible anti-shock loading performance, and the water body environment variable factor is had splendid adaptability.It is few that SBQ series microbial inoculum produces sludge quantity, do not need mud backflow facility, and sludge output has only 10% of traditional technology; Reduce the facility investment of traditional sludge disposal system, and reduced sludge disposal running cost.
Adopt the Sanmenxia City sewage work of technology of the present invention formally to put into operation so far from April, 2005, city's environmental monitoring Station Supervision monitoring data statistics sees Table 2.
Table 2 adopts the Sanmenxia City sewage work actual motion monitoring data cartogram of technology of the present invention
| Date | Classification | Sewage load (ten thousand m 3) | Influent quality (mg/L) | Effluent quality (mg/L) | ||||
| COD Cr | Suspended substance | Ammonia nitrogen | COD Cr | Suspended substance | Ammonia nitrogen | |||
| 2005.4 | Scope | 120 | 128-1000 | 489-718 | 43.4-49.6 | 47-60 | 16-19 | 12.7-14.5 |
| Average | 600 | 611 | 46.6 | 51 | 18 | 13.7 | ||
| 2005.5 | Scope | 133 | 256-675 | 459-998 | 43.5-47.8 | 42-58 | 15-18 | 11.5-13.6 |
| Average | 460 | 680 | 45.6 | 53 | 17 | 12.5 | ||
| 2005.6 | Scope | 131 | 492-894 | 476-721 | 42.5-53.0 | 47-56 | 15-17 | 3.89-7.15 |
| Average | 674 | 618 | 47.3 | 52 | 16 | 5.59 | ||
| 2005.7 | Scope | 139 | 220-224 | 100-120 | 45.9-46.2 | 45-48 | 14-17 | 0.25-0.31 |
| Average | 223 | 109 | 46.0 | 47 | 16 | 0.27 | ||
| 2005.8 | Scope | 112 | 260-648 | 85-105 | 38.2-38.7 | 51-56 | 15-18 | 0.20-0.31 |
| Average | 464 | 98 | 38.5 | 53 | 17 | 0.27 | ||
| 2005.9 | Scope | 113 | 385-600 | 100-105 | 38.1-52.9 | 35-57 | 15-18 | 0.33-0.46 |
| Average | 477 | 103 | 42.1 | 51 | 16 | 0.38 | ||
| 2005.10 | Scope | 118 | 466-1980 | 100-115 | 37.2-39.4 | 30.2-58.08 | 15-27 | 0.30-0.33 |
| Average | 1130 | 108 | 38.6 | 48.9 | 19 | 0.32 | ||
| 2005.11 | Scope | 109 | 326-1300 | 100-105 | 45.8-47.5 | 45.4-52.9 | 15-18 | 0.09-1.10 |
| Average | 812 | 106 | 46.7 | 50.6 | 17 | 0.37 | ||
| 2005.12 | Scope | 116 | 184-457 | 98-170 | 27.5-47.9 | 16.0-35.0 | 9-14 | 0.025-0.69 |
| Average | 306 | 126 | 39.3 | 25.5 | 12 | 0.31 | ||
| 2006.1 | Scope | 122 | 256-386 | 92-115 | 14.9-18.0 | 32.4-49.0 | 5-17 | 0.40-0.47 |
| Average | 298 | 100 | 16.5 | 34.4 | 13 | 0.43 | ||
| 2006.2 | Scope | 112 | 220-482 | 59-81 | 13.4-18.0 | 29.3-55.0 | 8-17 | 0.20-0.48 |
| Average | 320 | 69 | 15.6 | 41.4 | 14 | 0.32 | ||
| 2006.3 | Scope | 125 | 167-899 | 102-136 | 42.0-59.0 | 44.2-48.0 | 13-18 | 3.55-7.70 |
| Average | 453 | 115 | 47.9 | 45.4 | 16 | 5.04 | ||
| 2006.4 | Scope | 119 | 260-384 | 95-115 | 25.9-38.7 | 38.4-56.1 | 10-17 | 5.83-7.64 |
| Average | 333 | 102 | 33.6 | 47.8 | 13 | 6.93 | ||
| 2006.5 | Scope | 120 | 257-847 | 116-142 | 27.5-58.6 | 34.3-57.8 | 12-17 | 1.57-7.54 |
| Average | 444 | 126 | 41.6 | 49.0 | 15 | 4.21 | ||
From table 2 operational monitoring data, as water inlet COD
CrWhen 223mg/L changes between 1130mg/L, outlet COD
CrDo not have obviously fluctuation, through to the optimizing and revising of engineering parameter, the municipal effluent variation of temperature does not have obvious influence to treatment effect, shows that this technology has sewage quality and weather condition are had extremely strong adaptability, and is particularly comparatively desirable to the removal effect of ammonia nitrogen.Through the monitoring of Sanmenxia City environmental monitoring station, COD
CrTotal clearance is 90.2%, BOD
5Total clearance is 96.1%, and the total clearance of suspended substance is 98.04%, and the total clearance of ammonia nitrogen is 86.5%, and the total clearance of total phosphorus is 95.5%.Pilot experiment long-time running result: COD
CrCan be controlled at 10～50mg/L, BOD
5Below 10mg/L, SS is about 15mg/L.Sewage after the processing is after sterilization, and every factor all can satisfy " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level B standard.
(4) because sewage treatment method reduced investment of the present invention, working cost are low, good sewage processing effect, thereby the present invention has better economic and social benefit.Environment improves behind the engineering operation, and to introducing domestic and international investment, keeping sustainable economic development has vital role.
Four, description of drawings:
Fig. 1 is for utilizing high-effective microorganism complex process of municipal wastewater treatment general flow chart
Five, embodiment:
Embodiment one:
1. the proportioning of high-effective microorganism complex:
Nitrobacteria 12 grams, denitrifying bacterium 10 grams, polyP bacteria 10 grams, genus bacillus 12 grams, photosynthetic bacteria 8 grams, yeast 15 grams all contain 2.0～3.0 hundred million bacterium in monoxenic every gram substratum.
2. the method for utilizing high-effective microorganism complex to dispose of sewage comprises grid, regulates operating units such as preliminary sedimentation tank, biochemistry pool, flocculation sedimentation tank, sludge thickener,
(1) the system debug stage: sewage is after grid is removed bigger suspended substance, enter most of silt of regulating in the preliminary sedimentation tank removal sewage, the pH value of regulating sewage is 6～9,5～35 ℃ of temperature, and the sewage overflow groove ingress behind preliminary sedimentation tank adds slowly-releasing hydrogen peroxide 1.0g/m
3, sewage enters biochemistry pool then, treats that sewage will stop into water during the biologic packing material submergence in the pond; Supply with fresh air by the micro-pore aeration system that the biochemistry pool bottom is laid, the dissolved oxygen in the sewage is brought up to 0.5～2.0mg/L, in biochemistry pool, add high-effective microorganism complex 10g/m
3, add Powdered Activated Carbon 0.03kg/m simultaneously
3Cultivated through 5～10 days, organism in the sewage is by microorganism absorption, oxygenolysis and be converted into the high-performance bio film attached on the filler, and sewage is purified in the abundant contact process of microbial film that forms with microorganism gradually, and sewage is controlled at 6～8h in the residence time of biochemistry pool; Enter dynamic debugging after reaching the emission standard of regulation, sewage is constantly introduced biochemistry pool handle, improve gradually by the designing treatment amount, tail water up to standard is constantly discharged system, and treatment system starts successfully;
(2) normal operating phase: after the entire treatment system started, municipal effluent was constantly introduced treatment system, kept dissolved oxygen content 0.5～2.0mg/L in the sewage, the microbial film that comes off from filler, enter flocculation sedimentation tank, the flocculation agent of adding is a polyacrylamide, and add-on is 1.5g/m
3Sewage enters treating pond sterilization back qualified discharge then, referring to accompanying drawing 1.
Embodiment two:
1. the proportioning of high-effective microorganism complex:
Nitrobacteria 18 grams, denitrifying bacterium 15 grams, polyP bacteria 10 grams, genus bacillus 15 grams, photosynthetic bacteria 13 grams, yeast 12 grams all contain 1.5～2.0 hundred million bacterium in monoxenic every gram substratum.
2. the method for utilizing high-effective microorganism complex to dispose of sewage comprises grid, regulates preliminary sedimentation tank, biochemistry pool, flocculation sedimentation tank, sludge thickener operating unit;
(1) the system debug stage: sewage is after grid is removed bigger suspended substance, enter most of silt of regulating in the preliminary sedimentation tank removal sewage, the pH value of regulating sewage is 6～9,5～35 ℃ of temperature, the sewage overflow groove ingress behind preliminary sedimentation tank add slowly-releasing Potassium peroxide (perhaps hydrogen peroxide) 0.04kg/m
3After, sewage enters biochemistry pool, treats that sewage stops into water with biologic packing material submergence in the pond and when exceeding filler 20～30cm; Supply with fresh air by the micro-pore aeration system that the biochemistry pool bottom is laid, the dissolved oxygen in the sewage is brought up to 1.0～2.0mg/L, in biochemistry pool, add high-effective microorganism complex 5g/m
3, add 80～100 purpose active carbon powder 0.04kg/m simultaneously
3, to cultivate through 5～10 days, sewage is purified in the abundant contact process of microbial film that forms with microorganism gradually, and sewage is controlled at 6～8h in the residence time of biochemistry pool; Enter dynamic debugging after reaching the emission standard of regulation, sewage is constantly introduced biochemistry pool handle, improve gradually by the designing treatment amount, tail water up to standard is constantly discharged system, and treatment system starts successfully;
(2) normal operating phase: after the entire treatment system started, municipal effluent was constantly introduced treatment system, kept dissolved oxygen content 0.5～2.0mg/L in the sewage, the microbial film that comes off from filler, enter flocculation sedimentation tank, the flocculation agent of adding is a polyacrylamide, and add-on is 1.3g/m
3Sewage enters treating pond sterilization back qualified discharge then.
Residual mud, residue in the system are transported outward landfill after mummification or concentration, supernatant liquor wherein then returns biochemistry pool and handles.
Embodiment three:
1. the proportioning of high-effective microorganism complex:
Nitrobacteria 8 grams, denitrifying bacterium 7 grams, polyP bacteria 14 grams, genus bacillus 12 grams, photosynthetic bacteria 7 grams, yeast 4 grams all contain 2.8 hundred million bacterium in monoxenic every gram substratum.
2. the method for utilizing high-effective microorganism complex to dispose of sewage comprises grid, regulates operating units such as preliminary sedimentation tank, biochemistry pool, flocculation sedimentation tank, sludge thickener,
(1) the system debug stage: sewage is after grid is removed bigger suspended substance, enter most of silt of regulating in the preliminary sedimentation tank removal sewage, the pH value of regulating sewage is 6～9,5～35 ℃ of temperature, sewage enters biochemistry pool, treats that sewage will stop into water during the biologic packing material submergence in the pond; Supply with fresh air by the micro-pore aeration system that the biochemistry pool bottom is laid, the dissolved oxygen in the sewage is brought up to 0.5～1.5mg/L, in biochemistry pool, add high-effective microorganism complex 8g/m
3, to cultivate through 5～10 days, sewage is purified in the abundant contact process of microbial film that forms with microorganism gradually, and sewage is controlled at 6～8h in the residence time of biochemistry pool; Enter dynamic debugging after reaching the emission standard of regulation, sewage is constantly introduced biochemistry pool handle, improve gradually by the designing treatment amount, tail water up to standard is constantly discharged system, and treatment system starts successfully;
(2) normal operating phase: after the entire treatment system started, municipal effluent was constantly introduced treatment system, kept dissolved oxygen content 0.5～2.0mg/L in the sewage, the microbial film that comes off from filler, enter flocculation sedimentation tank, the flocculation agent of adding is a polyacrylamide, and add-on is 1.0g/m
3Sewage enters treating pond sterilization back qualified discharge then.Every index reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level B standard after the sewage disposal.
Residual mud, residue in the system are transported outward landfill after mummification or concentration, supernatant liquor wherein then returns regulates the preliminary sedimentation tank processing.
Embodiment four: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 6 grams, denitrifying bacterium 18 grams, polyP bacteria 15 grams, genus bacillus 5 grams, photosynthetic bacteria 20 grams, yeast 20 grams, filamentous fungus 8 grams contain 1.0 hundred million bacterium in the substratum of every gram filamentous fungus.
The method of disposing of sewage no longer describes in detail with embodiment one.
Embodiment five: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 10 grams, denitrifying bacterium 7 grams, polyP bacteria 13 grams, genus bacillus 8 grams, photosynthetic bacteria 18 grams, yeast 5 grams, filamentous fungus 3 grams contain 1.4 hundred million bacterium in the substratum of every gram filamentous fungus.
The method of disposing of sewage no longer describes in detail with embodiment one.
Embodiment six: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 17 grams, denitrifying bacterium 16 grams, polyP bacteria 7 grams, genus bacillus 13 grams, photosynthetic bacteria 8 grams, yeast 8 grams, filamentous fungus 5 grams contain 0.8 hundred million bacterium in the substratum of every gram filamentous fungus.
The method of disposing of sewage no longer describes in detail with embodiment one.
Embodiment seven: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 10 grams, denitrifying bacterium 7 grams, polyP bacteria 13 grams, genus bacillus 8 grams, photosynthetic bacteria 18 grams, yeast 5 grams, milk-acid bacteria 3 grams contain 1.2 hundred million bacterium in the substratum of every gram milk-acid bacteria.
The method of disposing of sewage no longer describes in detail with embodiment one.
Embodiment eight: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 15 grams, denitrifying bacterium 18 grams, polyP bacteria 7 grams, genus bacillus 17 grams, photosynthetic bacteria 7 grams, yeast 9 grams, milk-acid bacteria 7 grams contain 0.6 hundred million bacterium in the substratum of every gram milk-acid bacteria.
Embodiment nine: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 7 grams, denitrifying bacterium 11 grams, polyP bacteria 10 grams, genus bacillus 13 grams, photosynthetic bacteria 20 grams, yeast 18 grams, milk-acid bacteria 5 grams contain 0.6 hundred million bacterium in the substratum of every gram milk-acid bacteria.
Embodiment ten: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 15 grams, denitrifying bacterium 10 grams, polyP bacteria 7 grams, genus bacillus 17 grams, photosynthetic bacteria 7 grams, yeast 9 grams, actinomycetes 8 grams contain 0.8 hundred million bacterium in the actinomycetic substratum of every gram.
Embodiment 11: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: nitrobacteria 10 grams, denitrifying bacterium 18 grams, polyP bacteria 15 grams, genus bacillus 7 grams, photosynthetic bacteria 13 grams, yeast 4 grams, actinomycetes 3 grams contain 1.3 hundred million bacterium in the actinomycetic substratum of every gram.
Embodiment 12: basic identical with embodiment one, difference is:
The high-effective microorganism complex proportioning: 17 parts of nitrobacterias, 6 parts of denitrifying bacteriums, 11 parts of polyP bacterias, 10 parts of genus bacillus, 17 parts of photosynthetic bacterias, 15 parts in yeast, 5 parts in actinomycetes contain 1.0 hundred million bacterium in the actinomycetic substratum of every gram.
Embodiment 13: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 10 parts of nitrobacterias, 12 parts of denitrifying bacteriums, 7 parts of polyP bacterias, 16 parts of genus bacillus, 8 parts of photosynthetic bacterias, 8 parts in yeast, 8 parts in actinomycetes, 7 parts of filamentous funguss.
Embodiment 14: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 5 parts of nitrobacterias, 6 parts of denitrifying bacteriums, 15 parts of polyP bacterias, 18 parts of genus bacillus, 12 parts of photosynthetic bacterias, 19 parts in yeast, 2 parts in actinomycetes, 3 parts of filamentous funguss.
Embodiment 15: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 14 parts of nitrobacterias, 18 parts of denitrifying bacteriums, 11 parts of polyP bacterias, 10 parts of genus bacillus, 17 parts of photosynthetic bacterias, 15 parts in yeast, 5 parts in actinomycetes, 8 parts of filamentous funguss.
Embodiment 16: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 14 parts of nitrobacterias, 18 parts of denitrifying bacteriums, 11 parts of polyP bacterias, 10 parts of genus bacillus, 17 parts of photosynthetic bacterias, 15 parts in yeast, 5 parts in actinomycetes, 5 parts of milk-acid bacterias.
Embodiment 17: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 7 parts of nitrobacterias, 18 parts of denitrifying bacteriums, 11 parts of polyP bacterias, 15 parts of genus bacillus, 17 parts of photosynthetic bacterias, 10 parts in yeast, 8 parts in actinomycetes, 8 parts of milk-acid bacterias.
Embodiment 18: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 7 parts of nitrobacterias, 8 parts of denitrifying bacteriums, 11 parts of polyP bacterias, 15 parts of genus bacillus, 12 parts of photosynthetic bacterias, 10 parts in yeast, 5 parts of filamentous funguss, 8 parts of milk-acid bacterias.
Embodiment 19: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 7 parts of nitrobacterias, 8 parts of denitrifying bacteriums, 15 parts of polyP bacterias, 8 parts of genus bacillus, 12 parts of photosynthetic bacterias, 10 parts in yeast, 5 parts of filamentous funguss, 3 parts of milk-acid bacterias.
Embodiment 20: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 7 parts of nitrobacterias, 8 parts of denitrifying bacteriums, 15 parts of polyP bacterias, 13 parts of genus bacillus, 12 parts of photosynthetic bacterias, 10 parts in yeast, 5 parts of filamentous funguss, 3 parts of milk-acid bacterias, 8 parts in actinomycetes.
Embodiment 21: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 15 parts of nitrobacterias, 8 parts of denitrifying bacteriums, 12 parts of polyP bacterias, 18 parts of genus bacillus, 8 parts of photosynthetic bacterias, 10 parts in yeast, 8 parts of filamentous funguss, 3 parts of milk-acid bacterias, 5 parts in actinomycetes.
Embodiment 22: basic identical with embodiment one, difference is:
High-effective microorganism complex proportioning: 12 parts of nitrobacterias, 15 parts of denitrifying bacteriums, 8 parts of polyP bacterias, 12 parts of genus bacillus, 17 parts of photosynthetic bacterias, 13 parts in yeast, 5 parts of filamentous funguss, 6 parts of milk-acid bacterias, 8 parts in actinomycetes.
In the foregoing description 13～16, all contain 1.3 hundred million bacterium in every gram filamentous fungus, milk-acid bacteria or the actinomycetic substratum; In embodiment 17～20, all contain 0.8 hundred million bacterium in every gram filamentous fungus, milk-acid bacteria or the actinomycetic substratum; 1.0 hundred million bacterium are all contained in every gram filamentous fungus, milk-acid bacteria or the actinomycetic substratum in embodiment 21～22.
Claims (8)
1, a kind of high-effective microorganism complex that is used for sewage disposal, it is characterized in that: represent with weight part, recombiner contains 5～20 parts of nitrobacterias, 5～20 parts of denitrifying bacteriums, 5～15 parts of polyP bacterias, 5～20 parts of genus bacillus, 5～20 parts of photosynthetic bacterias, 1～20 part in yeast, all contains 1.0～3.5 hundred million bacterium in monoxenic every gram substratum.
2, high-effective microorganism complex according to claim 1 is characterized in that: wherein 8～15 parts of nitrobacterias, 10～15 parts of denitrifying bacteriums, 8～12 parts of polyP bacterias, 10～15 parts of genus bacillus, 10～15 parts of photosynthetic bacterias, 5～15 parts in yeast.
3, high-effective microorganism complex according to claim 1 and 2, it is characterized in that: recombiner also contains any one in 1～10 part of 1～10 part of the filamentous fungus, 1～8 part of milk-acid bacteria, actinomycetes, or any two kinds, or three kinds, all contain 0.5～1.5 hundred million bacterium in every gram filamentous fungus, milk-acid bacteria or the actinomycetic substratum.
4, a kind of method of utilizing high-effective microorganism complex to dispose of sewage, comprise grid, regulate preliminary sedimentation tank, biochemistry pool, flocculation sedimentation tank, sludge thickener operating unit, sewage is earlier after grid is removed bigger suspended substance, enter most of silt of regulating in the preliminary sedimentation tank removal sewage, regulate the pH value and the temperature of sewage, it is characterized in that:
(1) the system debug stage: the sewage overflow groove ingress behind preliminary sedimentation tank adds liquid oxygenation sterilant 0～0.05kg/m
3After, sewage enters biochemistry pool, treats that sewage will stop into water during the biologic packing material submergence in the pond; Supply with fresh air by the micro-pore aeration system that the biochemistry pool bottom is laid, the dissolved oxygen in the sewage is brought up to 0.5～2.0mg/L, in biochemistry pool, add high-effective microorganism complex 2～10g/m
3, add Powdered Activated Carbon 0～0.05kg/m simultaneously
3, through cultivation in 5～10 days, being purified gradually in the abundant contact process of microbial film that sewage and microorganism form, sewage is controlled at 6～8h in the residence time of biochemistry pool; Enter dynamic debugging after reaching the emission standard of regulation, sewage is constantly introduced biochemistry pool handle, improve gradually by the designing treatment amount, tail water up to standard is constantly discharged system, and treatment system starts successfully;
(2) normal operating phase: after the entire treatment system starts, municipal effluent is constantly introduced treatment system, keeps dissolved oxygen content 0.5～2.0mg/L in the sewage, the microbial film that comes off from filler, enter the flocculation sedimentation tank that is added with flocculation agent, sewage enters treating pond sterilization back qualified discharge then.
5, method of disposing of sewage according to claim 4 is characterized in that: the pH value of described sewage is 6～9, and temperature is 5～35 ℃.
6, method of disposing of sewage according to claim 4 is characterized in that: described liquid oxygenation sterilant is a released peroxide, and described flocculation agent is a polyacrylamide, and add-on is 0.1～0.5mg/L.
7, method of disposing of sewage according to claim 4 is characterized in that: used sterilizing agent was an ozone when described treating pond was sterilized.
8, method of disposing of sewage according to claim 6 is characterized in that: described released peroxide is Potassium peroxide or the sodium peroxide of slowly-releasing or the hydrogen peroxide of slowly-releasing of slowly-releasing.
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