CN105461083A - Suspended filler for quick biofilm culturing of microorganisms - Google Patents
Suspended filler for quick biofilm culturing of microorganisms Download PDFInfo
- Publication number
- CN105461083A CN105461083A CN201610051035.7A CN201610051035A CN105461083A CN 105461083 A CN105461083 A CN 105461083A CN 201610051035 A CN201610051035 A CN 201610051035A CN 105461083 A CN105461083 A CN 105461083A
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- filler
- suspended filler
- floating stuffing
- biofilm culturing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a suspended filler for quick biofilm culturing of microorganisms. The suspended filler is prepared from, by weight, 65-75 parts of high-density polyethylene, 5-15 parts of slaked lime, 5-20 parts of Dow powdered activated carbon, 6-10 parts of light calcium carbonate, 3-5 parts of maleic anhydride, 0.2-0.6 part of dicumyl peroxide, 1.5-3 parts of gelatin, 1-2 parts of chitin, 0.8-2 parts of ferroferric oxide magnetic powder and 0.1-0.3 part of manganese zinc ferrite. The density of the suspended filler for quick biofilm culturing of microorganisms is 0.96-0.98 g/cm3. The biofilm culturing speed is high, disengagement does not occur easily, treatment efficiency is high, and the suspended filler is suitable for treating low-concentration organic matter and ammonia nitrogen in sewage and low-concentration organic waste water. The suspended filler has extremely high hydrophilia and biocompatibility, the filler has high adsorption strength on biological films, biofilm culturing time is remarkably shortened, and the COD and ammonia nitrogen removal rate is increased remarkably.
Description
Technical field
The present invention relates to a kind of MBBR suspended biological filler, belong to the sewage disposal in environmental engineering subject
Technical field.
Background technology
Along with the development in city, continuing to bring out of emerging industry, accelerates the deterioration of environmental pollution.Particularly country strengthens industrial pollution management, and improve sewage drainage standard, existing treatment technology has been difficult to the requirement meeting new standard.Therefore the water treatment field of China is also in the development need according to overall situation, accelerates the R and D of new technology, to adapt to increasingly serious environmental requirement.In recent years, use technology of biological membrane to solve sewage in sewage disposal and to upgrade requirement up to standard, to alleviate the water treatment pressure of enterprise and sewage to the pollution of people's living environment.In biomembrance process, filler is that microorganism is rely the place perched, and its performance directly affects treatment effect and investment.At present, domestic conventional filler is the fixed fillers such as honeycomb filler, soft-filler, semi soft packing and compounded mix, but these fillers often run into blocking, conglomeration in using, the problem such as harden, and have impact on biological treatment effect.And above-mentioned filler all needs to be arranged on auxiliary stand, cause the inconveniences such as filler installation, replacing.
The filler product of prior art also exists certain problem in actual applications, because specific surface area is little, hydrophilicity and bioaffinity poor, cause Shortcomings in the tightness of biofilm speed, biofilm amount and film and filler; Secondly, because pollution load is lower, microorganism growth is restricted, and the speed of growth is slow, also causes being not easy to bio-film colonization.
Summary of the invention
The object of the invention is to provide a kind of floating stuffing for microorganism rapid biofilm, this floating stuffing biofilm speed being used for microorganism rapid biofilm is fast, difficult drop-off, processing efficiency is high, be applicable to the process of low-concentration organic and ammonia nitrogen in sewage, low-concentration organic waste water, biologic packing material of the present invention has extremely strong wetting ability and bioaffinity, and filler itself has very strong adsorption strength to microbial film, be conducive to retaining and accumulation of biomass on filling carrier, therefore can adapt to the wastewater treatment under low consistency conditions preferably.
For achieving the above object, the technical solution used in the present invention is: a kind of floating stuffing for microorganism rapid biofilm, and described floating stuffing is made up of the component of following weight part:
High density polyethylene(HDPE) 65 ~ 75 parts,
White lime 5 ~ 15 parts,
Tao Shi Powdered Activated Carbon 5 ~ 20 parts,
Light calcium carbonate 6 ~ 10 parts,
Maleic anhydride 3 ~ 5 parts,
Dicumyl peroxide 0.2 ~ 0.6 part,
1.5 ~ 3 parts, gelatin,
Chitin 1 ~ 2 part,
Ferroferric oxide magnetic powder 0.8 ~ 2 part,
Mn-Zn ferrite 0.1 ~ 0.3 part;
The density of described floating stuffing is 0.96 ~ 0.98g/cm
3.
The technical scheme improved further in technique scheme is as follows:
As preferably, described magnetic is at least one in Z 250 magnetic, Mn-Zn ferrite and nickel-zinc ferrite.
As preferably, described white lime mixes according to 1:1.2:0.9 weight part with Tao Shi Powdered Activated Carbon and light calcium carbonate.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, the present invention is used for the floating stuffing of microorganism rapid biofilm, its biofilm speed is fast, difficult drop-off, processing efficiency is high, be applicable to the process of low-concentration organic and ammonia nitrogen in sewage, low-concentration organic waste water, biologic packing material of the present invention has extremely strong wetting ability and bioaffinity, and filler itself has very strong adsorption strength to microbial film, be conducive to retaining and accumulation of biomass on filling carrier, its ammonia nitrogen removal frank more than 78%, therefore can adapt to the wastewater treatment under low consistency conditions more than 92%, COD clearance preferably.
2, the present invention is used for the floating stuffing of microorganism rapid biofilm, it adds dicumyl peroxide 0.2 ~ 0.6 part, 1.5 ~ 3 parts, gelatin, ferroferric oxide magnetic powder 0.8 ~ 2 part and Mn-Zn ferrite 0.1 ~ 0.3 part further in high density polyethylene(HDPE) 65 ~ 75 parts, light calcium carbonate 6 ~ 10 parts, maleic anhydride 3 ~ 5 parts, both being conducive to packing belt has comparatively ferromagnetism to form magnetization effect, improve Pollutants in Wastewater conversion rate and efficiency, produce adsorptive power, increase the adsorptive capacity of filling surface, shorten the biofilm cycle, and strengthen microbial film adsorption strength; Simultaneously, dicumyl peroxide 0.2 ~ 0.6 part, 1.5 ~ 3 parts, gelatin can improve microbic activity, in water, microorganism is after magnetization, the microorganism adapting to survive has larger propagation and metabolic capacity, make organic pollutant under the effect of low-intensity magnetic field, gather through magnetic by effects such as magnetic force key, magnetic force, Lorentz force and mangneto cavity effects, adsorb, be enriched to magnetic biological filling material surface; Oxygen is paramagnetic substance, can be adsorbed near biologic packing material under the action of a magnetic field during aeration, increases the oxygen concn of filling surface, and promote the breeding of aerobe, low-intensity magnetic field also has the activity of inducing microbial and the effect of enzymic activity in addition; Again, it adopts 1.5 ~ 3 parts, gelatin and chitin 1 ~ 2 part collocation to use, and makes bio-carrier, shortens the biofilm cycle, and strengthen microbial film adsorption strength, difficult drop-off.
3, the present invention is used for the floating stuffing of microorganism rapid biofilm, Tao Shi Powdered Activated Carbon 5 ~ 20 parts is added further in filler component, filler is made to have excellent adsorptive power, biomass cells and Adsorption of Organic solid surface can be made, cause the high oxidization rate of local space, break through the boundary of original concentration balance, extend microorganism and organic duration of contact, organism is degraded rapidly, thoroughly, and biological oxidation makes again activated carbon surface adsorptive power be restored.
4, the present invention is used for the floating stuffing of microorganism rapid biofilm, and in filler component, further white lime, improves the proportion of filler, allows floating filler proportion close to the proportion of water, greatly reduces power and stirs energy consumption, improve effect of filler.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1 ~ 4: a kind of floating stuffing for microorganism rapid biofilm, described floating stuffing is made up of the component of following weight part, as shown in table 1:
Table 1
The density of the above-mentioned floating stuffing for microorganism rapid biofilm is 0.96 ~ 0.98g/cm
3.
Above-mentioned white lime mixes according to 1:1.2:0.9 weight part with Tao Shi Powdered Activated Carbon and light calcium carbonate.
For a preparation technology for the above-mentioned floating stuffing for microorganism rapid biofilm, comprise the following steps:
Step one, get maleic anhydride 3 ~ 5 parts, dicumyl peroxide 0.2 ~ 0.6 part, with 2.5 kilograms of acetone their are dissolved and make acetone soln, be placed in mixing machine;
Step 2, in mixing machine, add high density polyethylene(HDPE) 65 ~ 75 parts, white lime 5 ~ 15 parts, Tao Shi Powdered Activated Carbon 5 ~ 20 parts, light calcium carbonate 6 ~ 10 parts, 1.5 ~ 3 parts, gelatin, chitin 1 ~ 2 part, ferroferric oxide magnetic powder 0.8 ~ 2 part and Mn-Zn ferrite 0.1 ~ 0.3 part of Homogeneous phase mixing again, taking out to be placed in unlimited container allows acetone naturally volatilize, and makes it to become solid;
Step 3, above-mentioned solid materials to be dropped in twin screw extruder, melt extrude granulation;
Step 4, drop in 45 type single screw extrusion machines by the particle produced above, by extrusion die extrusion molding, the filler obtained is cylinder, establishes on axial cross reinforcing rib, cylinder outer wall and establish axially radial fin in it.
Comparative example 1
Adopt the preparation technology identical with embodiment 1, difference is: do not add white lime in product composition.Obtain floating stuffing product E, density is 0.92kg/L.
Comparative example 2
Adopt the preparation technology identical with embodiment 1, difference is: do not add magnetic in product composition.Obtain floating stuffing product F, density is 0.958kg/L.
Comparative example 3
Adopt the preparation technology identical with embodiment 1, difference is: do not add Tao Shi activated carbon in product composition.Obtain floating stuffing product G, density is 0.98kg/L.
Get product that the embodiment 1 ~ 4 of identical amount and comparative example 1 ~ 3 obtain to be followed successively by A, B, C, D, E, F, G and to put into water and soak, the time is 5 hours, then takes out and leaves standstill 30min, measure water ratio.The water ratio of product A, B, C, D, E, F, G is respectively 17.5,17.8,17.6,17.8,11.8,12.5,13.2.Carry out survey calculation with contact angle instrument, the contact angle of product A, B, C, D, E, F, G is respectively 62 °, 61 °, 63 °, 62 °, 73 °, 75 °, 82 °.Result shows that the hydrophilicity of suspended biological filler prepared by the present invention is greatly improved.
Get product A that the embodiment of identical amount and comparative example obtain, B, C, D, E, F, G, be placed in 5 parallel bio-reactors and test.Mud and waste water are certain chemical engineering sewage treatment unit bio-chemical effluent, wherein test and carry out in MBBR, floating stuffing filling ratio is 40%, pH is 6.3 ~ 7.6, and temperature is 20 ~ 30 DEG C, C/N/P=100:5:1, under the condition of DO=1.5 ~ 3mg/L, COD is 200mg/L, and ammonia nitrogen is 50mg/L, hydraulic detention time 5h, result is as shown in table 2.
The test-results of table 2 filler A ~ G
| Filling kind | Biofilm time (d) | Water outlet COD(mg/L) | Water outlet ammonia nitrogen (mg/L) | COD clearance (%) | Ammonia nitrogen removal frank (%) |
| A | 12 | 41 | 3 | 79.5 | 94 |
| B | 13 | 38 | 2 | 81 | 96 |
| C | 13 | 40 | 3 | 80 | 94 |
| D | 11 | 39 | 2 | 82 | 95 |
| E | 16 | 68 | 15 | 66 | 70 |
| F | 19 | 86 | 19 | 57 | 62 |
| G | 20 | 78 | 16 | 61 | 68 |
From table 2, the biologic packing material biofilm time prepared by the inventive method obviously shortens, and the clearance of COD and ammonia nitrogen significantly improves.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. for a floating stuffing for microorganism rapid biofilm, it is characterized in that: described floating stuffing is made up of the component of following weight part:
High density polyethylene(HDPE) 65 ~ 75 parts,
White lime 5 ~ 15 parts,
Tao Shi Powdered Activated Carbon 5 ~ 20 parts,
Light calcium carbonate 6 ~ 10 parts,
Maleic anhydride 3 ~ 5 parts,
Dicumyl peroxide 0.2 ~ 0.6 part,
1.5 ~ 3 parts, gelatin,
Chitin 1 ~ 2 part,
Ferroferric oxide magnetic powder 0.8 ~ 2 part,
Mn-Zn ferrite 0.1 ~ 0.3 part;
The density of the described floating stuffing for microorganism rapid biofilm is 0.96 ~ 0.98g/cm
3.
2. the floating stuffing for microorganism rapid biofilm according to claim 1, is characterized in that: described magnetic is at least one in Z 250 magnetic, Mn-Zn ferrite and nickel-zinc ferrite.
3. the floating stuffing for microorganism rapid biofilm according to claim 1, is characterized in that: described white lime mixes according to 1:1.2:0.9 weight part with Tao Shi Powdered Activated Carbon and light calcium carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051035.7A CN105461083A (en) | 2016-01-27 | 2016-01-27 | Suspended filler for quick biofilm culturing of microorganisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051035.7A CN105461083A (en) | 2016-01-27 | 2016-01-27 | Suspended filler for quick biofilm culturing of microorganisms |
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| Publication Number | Publication Date |
|---|---|
| CN105461083A true CN105461083A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610051035.7A Pending CN105461083A (en) | 2016-01-27 | 2016-01-27 | Suspended filler for quick biofilm culturing of microorganisms |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344753A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | The combined biological filter tank of denitrogenation dephosphorizing |
| CN107344796A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Chemical engineering sewage reclamation set |
| CN107344794A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Phenol wastewater qualified discharge processing system |
| CN107344754A (en) * | 2016-05-08 | 2017-11-14 | 苏州科环环保科技有限公司 | BAF deep denitrogenation device |
| CN107344793A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Comprehensive processing technique for high saliferous phenol-containing wastewater |
| CN110563128A (en) * | 2019-09-03 | 2019-12-13 | 江西夏氏春秋环境股份有限公司 | MBBR (moving bed biofilm reactor) sewage treatment filler and using method thereof |
| CN110642370A (en) * | 2019-09-29 | 2020-01-03 | 北交源生态环境科技(北京)有限公司 | Biomembrane filler with oxygen enrichment function |
| WO2020034507A1 (en) * | 2018-08-14 | 2020-02-20 | 江苏裕隆环保有限公司 | Suspended filler for biological wastewater treatment and preparation method thereof |
| CN114105285A (en) * | 2021-10-29 | 2022-03-01 | 苏州水星环保工业系统有限公司 | Novel modified moving bed biological filler |
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| JPH02211292A (en) * | 1989-02-09 | 1990-08-22 | Nkk Corp | Microorganism attracting particle |
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| CN104860390A (en) * | 2015-05-15 | 2015-08-26 | 大连宇都环境技术材料有限公司 | Hydrophilic biological carrier for wastewater treatment |
-
2016
- 2016-01-27 CN CN201610051035.7A patent/CN105461083A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02211292A (en) * | 1989-02-09 | 1990-08-22 | Nkk Corp | Microorganism attracting particle |
| CN1522972A (en) * | 2003-09-03 | 2004-08-25 | 华南理工大学 | Preparation method of bio-affinity hydrophilic active magnetic seed filler for water treatment |
| CN1762851A (en) * | 2005-08-29 | 2006-04-26 | 江志伟 | Modified microbe stuffing and its preparation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344753A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | The combined biological filter tank of denitrogenation dephosphorizing |
| CN107344796A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Chemical engineering sewage reclamation set |
| CN107344794A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Phenol wastewater qualified discharge processing system |
| CN107344793A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Comprehensive processing technique for high saliferous phenol-containing wastewater |
| CN107344754A (en) * | 2016-05-08 | 2017-11-14 | 苏州科环环保科技有限公司 | BAF deep denitrogenation device |
| WO2020034507A1 (en) * | 2018-08-14 | 2020-02-20 | 江苏裕隆环保有限公司 | Suspended filler for biological wastewater treatment and preparation method thereof |
| CN110563128A (en) * | 2019-09-03 | 2019-12-13 | 江西夏氏春秋环境股份有限公司 | MBBR (moving bed biofilm reactor) sewage treatment filler and using method thereof |
| CN110642370A (en) * | 2019-09-29 | 2020-01-03 | 北交源生态环境科技(北京)有限公司 | Biomembrane filler with oxygen enrichment function |
| CN114105285A (en) * | 2021-10-29 | 2022-03-01 | 苏州水星环保工业系统有限公司 | Novel modified moving bed biological filler |
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Application publication date: 20160406 |