CN101746879A - Aeration biological filter bed and sewage advanced treatment method thereof - Google Patents
Aeration biological filter bed and sewage advanced treatment method thereof Download PDFInfo
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- CN101746879A CN101746879A CN201010109192A CN201010109192A CN101746879A CN 101746879 A CN101746879 A CN 101746879A CN 201010109192 A CN201010109192 A CN 201010109192A CN 201010109192 A CN201010109192 A CN 201010109192A CN 101746879 A CN101746879 A CN 101746879A
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- 238000005273 aeration Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000010865 sewage Substances 0.000 title abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 239000000945 filler Substances 0.000 claims abstract description 63
- 238000009826 distribution Methods 0.000 claims abstract description 38
- 239000002351 wastewater Substances 0.000 claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 11
- 244000005700 microbiome Species 0.000 claims description 10
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- 238000006243 chemical reaction Methods 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 abstract description 14
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- 238000012423 maintenance Methods 0.000 abstract description 9
- 239000012528 membrane Substances 0.000 abstract description 9
- 238000011081 inoculation Methods 0.000 abstract description 7
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- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 3
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- 238000004065 wastewater treatment Methods 0.000 description 3
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an aeration biological filter bed and a sewage advanced treatment method thereof. The water distribution facility of the aeration biological filter bed comprises an upper water distribution plate and a lower water distribution plate, wherein the upper water distribution plate and the lower water distribution plate are fixed by porous plates, and the filler is fibrous filler. The structure solves the problem of choking, can not clamp the plates or rotate, does not generate a fault or unstable operation, and does not need maintenance. The advanced purification method for pollutants in the water body by using the aeration biological filter bed comprises the following steps: making the fibrous filler to the height of 2-10 meters, forming membranes of microbes, starting the aeration biological filter bed, regulating the gas-water ratio, processing the biochemical wastewater by the aeration biological filter bed, leading the biochemical wastewater to enter the lower water distribution plate and the lower porous plate orderly via the water distribution facility so as to react with the filler, enabling the water to enter the water outflow facility via the upper porous plate, and discharging; and flushing back. The sewage advanced treatment method by using the aeration biological filter bed has the advantages of high processing load, high efficiency, stable quality of outflow water, fewer suspended matters in outflow water, area saving, convenient control and operation, and high inoculation speed, and can be combined with various technologies.
Description
Technical field
The present invention relates to water treatment field, what be specifically related to is the degree of depth biological treatment treating plant of pollutent in a kind of water body, the invention still further relates to the degree of depth biological treatment purifying method of water pollutant.
Background technology
The advanced treatment of sewage is being played the part of very important role in city and industrial sewage Treatment for Reuse.After traditional biological treatment, advanced treatment is used to remove extra pollutent, Special Metal and other objectionable constituent.Present existing deep treatment method comprises materialization or biochemical methods such as media filtration, absorption, membrane technique, advanced oxidation and sterilization, but has big, the problems such as floor space is big, running cost height of investment, limits its application and development.
Biochemical advanced treatment method for sewage water commonly used has advanced oxidation processes, wet oxidation process, supercritical water oxidation method, photochemical catalysis oxidation style, ozone method.Ozone is to have extremely strong oxidisability, and many organism or functional group are reacted, and can improve water quality effectively, can also reduce delivery turbidity, plays good throwing out, improves and filters filtering velocity or prolong filtration cycle.But,,, promote difficult so working cost is too high because domestic ozone generation technology and technology are relatively backward.When handling low concentration wastewater, because concentration of substrate is lower, there are high, the problems such as effect is bad, effluent quality fluctuation, running maintenance complexity of investment in biochemical process.
The method of materialization such as active carbon adsorption add that dose is big, running cost is high, and sludge quantity big, be prone to secondary pollution.Adopt embrane method to handle to overcome that sludge quantity is big, secondary pollution problems, but investment is big, working cost is high, the difficult control of operation.
Membrane bioreactor (MBR) and biofilm aeration filter tank (BAF) are advanced treatment of wastewater new technologies comparatively commonly used in recent years.MBR technology stable water outlet, water quality is good, but the operation complexity, safeguard inconvenient, investment is high.
MBR is water after water inlet is for the Sewage Plant fine fack, and the water outlet effect can reach one-level A standard.Reach one-level A water outlet MBR equally than the high 20%-30% of common process gross investment, water outlet is effective and stable, and floor space is little more than 30%.But the replacement cost height of membrane module, especially the water yield is big more, and the proportion that the investment of membrane module accounts for gross investment is also big more.Equipment later stage running maintenance labour intensity is big, needs hand labor during cleaning, and is cumbersome, and subject matter is that film is polluted, and need change.
Traditional BAF technology requires height to influent quality, and as having fibrous material and backwash sludge yield big in the water, the operation operation is trouble comparatively, starts comparatively complexity, takes effect and waits characteristics slowly.A large amount of studies show that both at home and abroad, ADSORPTION IN A FIXED BED is a kind of technology of pollutant purification efficiently, but literature search shows, also do not adopt modified fibre fixed bed biotechnology sewage to be carried out the method for biochemical purification.
Summary of the invention
1, the technical problem that will solve
The purpose of this invention is to provide a kind of aeration fiber biological filter bed, for advanced treatment of wastewater, middle sewage of low concentration handle find a kind of investment little, effective, take up an area of little, operation power little (resistance is little), operation scheme flexibly, start fast a kind of treatment facility, technology and method.
The further goal of the invention of the present invention is to solve existing biofilms aerating filter (BAF) blockage problem and maintenance maintenance problem, makes that the operation of this equipment debugging is easy.
A kind of method of using the in-depth of aeration fiber biological filter bed to dispose of sewage is provided in addition, and the operation operation is simple.
2, technical scheme
A kind of aeration biological filter bed, from bottom to top comprise gas distribution facility, cloth drainage facility, filler fixation means, filler successively, go out drainage facility, the cloth drainage facility comprises two water distribution boards up and down, last water distribution board and following water distribution board adopt special special-purpose porous plate that examine as calculated, verification experimental verification and fixing, and described filler is a fibrous packing.
The present invention is by fibrous packing and supporting water distribution thereof, gas distribution facility and porous plate up and down, realization the object of the invention, it is a kind of aeration fiber biological filter bed (FBAF), the porous plate of this bacteria bed is that knowledge such as utilization hydromechanics etc. processes through design calculation in conjunction with water inlet, has water distribution, gas distribution, anti-clogging plug function simultaneously.
Described gas distribution facility is provided with the perforation micro-hole aerator.
Described fibrous packing comprises the modified fibre filler.
Described modified fibre filler comprises hydrophilically modified filler, puffing modified filler, adsorptivity modified filler and enzymatic modified filler.
The FBAF aerator need not overhaul and safeguard: equipment need not the single hole aerator, and its proprietary micro-pore aeration service life of equipment is long, can be for 20～30 years, and non-maintaining throughout one's life, there are not the obstruction and the maintenance issues of aerator.
The method of pollutent in a kind of aeration fiber biological filter bed deep purifying water body, step is
(A) fibrous packing is made 2～10 meters high;
(B) carry out microorganism colonization;
(C) startup is aeration biological filter bed, regulates gas-water ratio, and aqueous vapor is at device interior process filler and gas distribution cloth drainage facility;
The biochemical waste water that need are handled enters down water distribution board by aeration biological filter bed successively through the cloth drainage facility, and following porous plate with the filler reaction, enters out drainage facility by last porous plate, discharge again.
(D) back flushing.
FBAF operation control is simple: equipment is owing to creatively adopt fibrous packing, its control is very simple, as long as design, manufacturing is guaranteed, but only need be during debugging to the just biofilm debugging of the simple control of gas water inlet gas-water ratio, operation, substantially do not need other complexity control, simple artificial setting can be finished, if system adopts control automatically, only need to adopt 1～2 automatic valve to realize, the control that need not traditional B AF is so complicated: adopt 7～8 automatic valve controls and need frequent backwash, in case the suspended substance higher device is easy to stop up and palpus increasing backwash frequency in the water inlet, and FBAF only needs simple start, debugging gets final product, and need not safeguard.
FBAF equipment need be introduced bacterial classification or be used for water in addition and tame naturally when starting, inoculate generally in 3～5 days when above (water temperature 10 spend) and can reach 50% treatment effect, reaches 60～90% clearance according to design requirements at last.This bacterial classification can be inoculated the bacterial classification of similar treatment plant or adopt the way of natural membrane, domestication naturally according to former water type.
A large amount of microorganisms are on floating filler, and this microorganism is the bacterial classification that FBAF equipment is introduced when starting, and this bacterial classification can be tamed naturally also can special inoculation domestication.
The equipment water outlet can be according to processing requirements, and a part refluxes, and makes operation of equipment more flexible, and is more flexible.
This equipment can be according to actual needs by different operation scheme operations, can adopt different operation scheme to equipment according to on-site actual situations: continous way and intermittent type that uniprocessing or plural serial stage are handled, this dual mode is divided into the backflow and the dual mode that do not reflux again, for lower can the refluxing of load, require low for investment, water inlet suspension content height or the employing intermittent type that fluctuates big, the low easily water quality of degraded of load is selected unmodified HH-FB fibrous packing for use, the water quality of high difficult degradation of loading is selected the HH-FBM modified fibre filler of modification for use, water temp is low, nutrition is poor, when salinity is high, the filler load is selected and will be hanged down, packed height is higher, during difficult degradation, can select periodic running when variation water quality is big, so according to water quality type, pollution load, water temperature and nutraceutical composition, salinity and operation scheme are determined the filler type, loading height and equipment inner structure and relevant other processing parameters: water distribution, structure and patterns such as gas distribution are guaranteed the optimizing of investing and the optimization of treatment effect like this.
This equipment can add other fillers such as floating stuffing, zeolite, gac etc., further improves and handles the biochemical treatment effect.If have in higher requirement such as the former water ammonia nitrogen higher to ammonia nitrogen removal, can add zeolite filler; If former water is difficult for degraded or inoculation difficulty, can add the macrobead gac, accelerate the inoculation domestication and improve processing efficiency and effect; If oxygen utilization rate is required height, can add floating stuffing or increase depth of packing, improve treatment effect and oxygen utilization rate.
3, beneficial effect
Of the present invention aeration biological filter bed, this structure thoroughly solves the blockage problem that influent quality brings when bad, do not have clamp or rotation when so moving, movably parts are few in the equipment, can not break down or fluctuation of service and influence water outlet, thereby Installation and Debugging do not need to safeguard after intact substantially.This is its most basic place that is better than traditional BAF equipment, and traditional BAF equipment is no matter adopting haydite still is other what fillers, and its maintenance and debugging are all relatively complicated.
Adopt the method for this equipment to sewage advanced processing, advantage is:
(1) the processing load is high, efficient is high, stable effluent quality: sludge loading: 4～20kg GOD/ (m
3.d), clearance is 50～90%.
(2) it is few to go out water suspension, can replace traditional second pond, saves floor space: water outlet ss suspended solid＜20mg/L.
(3) technology is flexible, can make up with kinds of processes: leading portion can be connected mutually with other any biochemical process, but back this technology of continued access or MBR, UF even depth treatment process.
(4) operation control, operation are convenient, simple: the inoculation of this technology is fast, sanitary sewage disposal general nature inoculation about 10-20 days.
Description of drawings
Fig. 1 is an aeration fiber filter bed of the present invention
Wherein, 1-gas distribution facility; 2-cloth drainage facility; Porous plate under the 3-; The 4-FBAF filler; The last porous plate of 5-; 6-backwash water collection facility; 7-water outlet collection facility.
Embodiment
As shown in Figure 1, a kind of aeration biological filter bed, comprise successively that from bottom to top gas distribution facility 1, cloth drainage facility 2, filler fixation means, filler 4, backwash go out drainage facility 6, go out drainage facility 7, described cloth drainage facility comprises two water distribution boards up and down, last water distribution board and following water distribution board adopt porous plate 3,5 and fixing, described filler 4 is fibrous packing.
The specific surface area that fibrous packing and modified filler thereof are huge, for microorganism adhere to and growth provides better growing conditions, and particular structure---porous plate makes filter bed realize the variable volume operation up and down,, change sludge concentration operation long-pending according to water conservancy load automatic variant, fibrous packing has also realized the suspended matter in the water is tackled simultaneously, perforated plate construction and filler have been realized the interception to fibrous material, guarantee that the every index of water outlet is up to standard, especially suspended substance need not to get final product simple reuse, reach the miscellaneous water water quality standard through advanced treatment again.Porous plate is realized secondary, three water distributions are carried out in the water distribution in the sewage disposal simultaneously up and down, prevents that waterpower is uneven or the generation of the phenomenon such as inhomogeneous of loading, and guarantees treatment effect.
Gas distribution facility 1 is provided with the perforation micro-hole aerator.The present invention adopts a kind of boring aeration mode of uniqueness, guarantees the possibility that treatment effect has avoided aeration tube obstruction or mud to enter pipeline simultaneously again.Since in this technology to aeration require the aperture can not be too little can not be too big, too for a short time, can not carry out disturbance and cause turbulent flow filler, increase the movement locus of gas, too big words waste energy again, we find out by experiment and have invented this multiwalled aeration tube, reach not only disturbance but also purpose that can efficient mass transfer, have also utilized that porous plate, fibrous packing are cut bubble up and down simultaneously, improve the utilising efficiency of oxygen, reached purpose of energy saving.Meanwhile also the aging film on the filler 4 is peeled off, finally it is discharged native system by backwash.The boring aeration device is different from traditional perforated pipe, and also by calculating and not having originally in conjunction with water quality that other move, the mechanical parts of transmission, runner is very spacious in addition, does not therefore generally exist and stops up and maintenance maintenance.
Functions such as filler adopts unmodified fibers filler (HH-FB) and improves the facility of going adjustment, processing, and this facility is solid, durable, and is not fragile, anti-blocking.Because the base filler is two kinds in this structure, material modifiedly form by the current material modification, this material modified be the filler that carries out physics, chemical modification by physics and chemical process, electrochemical method, be through test of many times and test in place improved products, be innovative product.The modified fibre filler has hydrophilically modified filler (HH-FBMH), puffing modified filler (HH-FBMP), adsorptivity modified filler (HH-FBMA) and enzymatic modified filler (HH-FBME), when the water inlet COD in 300～500mg/L scope, can adopt modified filler, pack length is 4～6m; When the water inlet COD in 100～300mg/L scope, can adopt modified filler, pack length is 2～4m; When the water inlet COD in 50～100mg/L scope, can adopt unmodified filler and modified filler, pack length is 1～3m.
The modified fibre filler is realized by modification by current material.Packing specific area is 80000m
2/ m
3, can reach 15000～35000m after the actual filling
2/ m
3, 3～10 meters high equipment, reactor that filler can be made as required by the FBAF bed apparatus satisfy different quality and processing requirement.The FBAF bed is to carry out dedicated calculation with treatment capacity and water outlet effect, choose the processing unit that different FBAF fillers is made according to water quality.Specifically depend on influent quality, operation water temperature, former water type, in general, influent concentration is high more, the effluent quality requirement is high more, and depth of packing is high more, and equipment operation flow velocity is low more, otherwise then depth of packing is low more, the operation flow velocity is high more.Depth of packing can be selected in 1～6m scope, and device height is at 3～10m, and flow velocity is selected in 1～6m/h scope.
A kind of method of using pollutent in the aeration fiber biological filter bed deep purifying water body, step is
(A) filler is made 2～10 meters high;
(B) biochemical waste water that will handle enters system in device bottom through water distribution system by aeration fiber biological filter bed equipment, and steam is at device interior process filler and gas distribution cloth drainage facility;
(C) back flushing.
Further specify the present invention by the following examples.
Embodiment 1
Certain aquatic products processing waste water, the processing water yield is 120t/d, adopts following technology:
Raw water quality is: COD≤2000mg/L, BOD≤800mg/L, SS≤350mg/L, TN≤60mg/L, TP≤8mg/L oily substance: 80mg/L
The FBAF influent quality is COD≤300mg/L, BOD≤80mg/L, NH
3≤ 20mg/L, SS≤200mg/L, water outlet requires COD≤100mg/L BOD≤30mg/L SS≤70mg/L TN≤20mg/L, and FBAF equipment adopts modification HH-FBMP filler, has huge specific surface area, can reach 80000m
2/ m
3, microorganism very easily adheres to, grows after the modification, the COD that can remove effectively, NH
4 +Need aeration during this equipment operation of-N..By effectively removing remaining COD, NH behind this equipment
4 +-N.1.2 meters of device diameters, high 4.5 meters, 1.8 meters of depth of packing.Equipment adopts macromolecular material anticorrosion.The design pond holds load 20kg COD/m
3.d, clearance 70%.Aeration rate 0.37m
3/ min.
Flooding quantity is regulated by quantity of reflux, and to regulate gas-water ratio be 4: 1, and quantity of reflux can be first big after small, progressively descends at last to 50% by 100%, requires to debug definite ratio according to processing requirement and actual water outlet at last.Here adopt former water water inlet natural membrane, the IAT water outlet enters the water inlet of FBAF bottom by water pump lifting after entering water reservoir, pass through porous plate down after the air mixed by water distributor distribution and aerator, microorganism on the filler in following porous plate distributes back and FBAF once more, in the water is repeatedly finished and exchanges mass transfer, reaction, organism in the water and nutriment, oxygen etc. are passed to microorganism, fibrous packing is tackled the suspended substance in the water simultaneously, again by the water distribution of upper porous plate after enter effluent collection device behind the catchment area, discharge by the equipment top.The actual influent quality COD≤500mg/L of FBAF, BOD≤300mg/L, NH
3≤ 20mg/L, SS≤500mg/L adopts the microorganism natural membrane (microorganism is food factory's active sludge inoculation in DAT, the IAT pond) in the IAT water outlet, and quantity of reflux is 50%, debugs that water outlet is COD≤90mg/L after 7 days, BOD≤30mg/L, SS≤8mg/L, NH
3≤ 10mg/L, TN≤20mg/L.Operation detection in 1 day water outlet was COD≤40mg/L after biofilm was finished, BOD≤8mg/L, SS≤8mg/L, NH
3≤ 1mg/L, TN≤15mg/L.Effluent quality reaches one-level A emission standard in " urban wastewater treatment firm pollutant emission standard GB18918-2002 ", arrive the purpose and the requirement of sewage disposal resource utilization, considerably beyond " the integrated wastewater discharge standard GB8978-98 " that require middle first discharge standard requirement.The original backwash in per 3 days of equipment once, backwash tolerance strengthens 3 times, the water yield adds and is twice, the backwash water outlet enters the IAT pond, actual motion backwash in 15 days once.
Embodiment 2
Certain aquatic products waste water, the biochemistry pool water outlet directly enters this equipment, FBAF equipment adopts our modification HH-FBMP filler, thickness is 3 meters, day output 200t/d, regulating gas-water ratio is 6: 1, do not have and reflux, (system starts back the 3rd day) water inlet COD450mg/l during the natural membrane, two all after dates of circular treatment, water outlet detects COD 97mg/L, suspended substance: 8mg/L, operation one week back water outlet reaches COD37mg/L, suspended substance: 8mg/L, water outlet reaches first discharge standard in " integrated wastewater discharge standard GB8978-98 " fully, goes out water suspension and reaches reuse standard, and reach one-level A emission standard in " urban wastewater treatment firm pollutant emission standard GB18918-2002 ", arrive the purpose and the requirement of sewage disposal resource utilization.There is not a backwash.Set device backwash in per 3 days once, backwash tolerance strengthens 3 times, the water yield adds and is twice, the backwash water outlet enters the IAT pond.
Certain paint waste water, the biochemistry pool water outlet directly enters this equipment, day output 2t/d, regulating gas-water ratio is 10: 1, quantity of reflux can be first big after small, progressively descend at last to 50% by 100%, FBAF equipment adopts our modification HH-FBMPHEA filler, and 5 meters of depth of packing are debugged the startup that finishes, move after 10 days, water inlet COD860mg/l handles back water outlet COD95mg/L, suspended substance＜10mg/L, reach first discharge standard in " integrated wastewater discharge standard GB8978-98 ", go out water suspension and reach reuse standard.There is not a backwash.The backwash in per 2 days of former locking equipment once, backwash tolerance strengthens 3 times, the water yield adds and is twice, the backwash water outlet enters the leading portion biochemistry pool.
Certain traditional Chinese medicine wastewater because influent quality COD rises to 1500mg/L by 650mg/L, causes bio-chemical effluent COD to rise to 490mg/L, now transform in the biochemistry pool water outlet and set up FBAF, the biochemistry pool water outlet directly enters this equipment, and FBAF equipment adopts our modification HH-FBMPHA filler, 9 meters of depth of packing, day output 100t/d, regulating gas-water ratio is 5: 1, does not have and refluxes, and debugs the startup that finishes, FBAF water outlet COD 86mg/L after 20 days, suspended substance＜10mg/L.Original designly reach secondary discharge standard among the GB8978-98, the actual first discharge standard that reaches goes out water suspension and reaches reuse standard.The original backwash in per 3 days of equipment once, backwash tolerance strengthens 3 times, the water yield adds and is twice, the backwash water outlet enters the leading portion biochemistry pool.A backwash of 15 days nothings during actual motion.
Certain Dairy Wastewater, the biochemistry pool water outlet directly enters the water inlet of this device bottom, FBAF equipment adopts our modified filler HH-FBMPH filler, 9.5 meters of depth of packing, day output 250t/d, regulating gas-water ratio is 6: 1, do not have and reflux, debug the startup that finishes, after 15 days, FBAF water inlet COD 520mg/L, treat effluent COD 35mg/L, suspended substance 5-9mg/L reaches one-level A emission standard and " urban sewage reutilization process water water quality GB/T 19923-2005 " in " urban wastewater treatment firm pollutant emission standard GB18918-2002 ", the miscellaneous water reuse standard goes out water suspension and reaches reuse standard.The original backwash in per 3 days of equipment once, backwash tolerance strengthens 3 times, the water yield adds and is twice, the backwash water outlet enters the leading portion biochemistry pool.A backwash in 10 days during actual motion.
Claims (5)
- One kind aeration biological filter bed, from bottom to top comprise gas distribution facility, cloth drainage facility, filler fixation means, filler successively, go out drainage facility, it is characterized in that: described cloth drainage facility comprises two water distribution boards up and down, last water distribution board and following water distribution board adopt porous plate and fixing, and described filler is a fibrous packing.
- 2. according to claim 1 aeration biological filter bed, it is characterized in that: described gas distribution facility is provided with the perforation micro-hole aerator.
- 3. according to claim 1 aeration biological filter bed, it is characterized in that: described fibrous packing is the modified fibre filler.
- 4. according to claim 3 aeration biological filter bed, it is characterized in that: described modified fibre filler comprises hydrophilically modified filler, puffing modified filler, adsorptivity modified filler and enzymatic modified filler.
- 5. method of using pollutent in the described aeration biological filter bed deep purifying water body of claim 1, its step comprises:(A) fibrous packing is made 2～10 meters high;(B) carry out microorganism colonization;(C) start aeration biological filter bedly, regulate gas-water ratio, the biochemical waste water that need are handled enters down water distribution board by aeration biological filter bed successively through the cloth drainage facility, and following porous plate with the filler reaction, enters out drainage facility by last porous plate, discharge again;(D) back flushing.
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| CN2010101091921A CN101746879B (en) | 2010-02-11 | 2010-02-11 | Aeration biological filter bed and sewage advanced treatment method thereof |
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| CN2010101091921A CN101746879B (en) | 2010-02-11 | 2010-02-11 | Aeration biological filter bed and sewage advanced treatment method thereof |
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| CN101746879B CN101746879B (en) | 2012-11-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351054A (en) * | 2013-07-01 | 2013-10-16 | 嘉兴学院 | BAF reactor used for treating electroplating wastewater |
| CN106277297A (en) * | 2016-08-17 | 2017-01-04 | 湖北绿色家园精细化工股份有限公司 | A kind of wastewater treatment equipment and biologic packing material thereof |
| CN107337327A (en) * | 2017-09-15 | 2017-11-10 | 大连浩海水处理技术有限公司 | A kind of integrated sewage treatment device |
| CN108623111A (en) * | 2018-05-24 | 2018-10-09 | 任冲 | A kind of plumbing sludge dehydration device |
| CN114538602A (en) * | 2022-03-01 | 2022-05-27 | 安徽普氏生态环境工程有限公司 | Straight-through honeycomb filler biomembrane reaction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438709Y (en) * | 2000-08-04 | 2001-07-11 | 冶金工业部马鞍山钢铁设计研究院 | Upward flow aeration biological filtering tank |
| CN2823254Y (en) * | 2005-09-27 | 2006-10-04 | 云南师范大学 | Anaerobic filtering tank made of glass fiber reinforced plastics |
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2010
- 2010-02-11 CN CN2010101091921A patent/CN101746879B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438709Y (en) * | 2000-08-04 | 2001-07-11 | 冶金工业部马鞍山钢铁设计研究院 | Upward flow aeration biological filtering tank |
| CN2823254Y (en) * | 2005-09-27 | 2006-10-04 | 云南师范大学 | Anaerobic filtering tank made of glass fiber reinforced plastics |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351054A (en) * | 2013-07-01 | 2013-10-16 | 嘉兴学院 | BAF reactor used for treating electroplating wastewater |
| CN106277297A (en) * | 2016-08-17 | 2017-01-04 | 湖北绿色家园精细化工股份有限公司 | A kind of wastewater treatment equipment and biologic packing material thereof |
| CN107337327A (en) * | 2017-09-15 | 2017-11-10 | 大连浩海水处理技术有限公司 | A kind of integrated sewage treatment device |
| CN108623111A (en) * | 2018-05-24 | 2018-10-09 | 任冲 | A kind of plumbing sludge dehydration device |
| CN114538602A (en) * | 2022-03-01 | 2022-05-27 | 安徽普氏生态环境工程有限公司 | Straight-through honeycomb filler biomembrane reaction system |
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| Publication number | Publication date |
|---|---|
| CN101746879B (en) | 2012-11-21 |
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