CN1206173C - Active microorganism carrier for use in biological treatment - Google Patents
Active microorganism carrier for use in biological treatment Download PDFInfo
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- CN1206173C CN1206173C CNB031502504A CN03150250A CN1206173C CN 1206173 C CN1206173 C CN 1206173C CN B031502504 A CNB031502504 A CN B031502504A CN 03150250 A CN03150250 A CN 03150250A CN 1206173 C CN1206173 C CN 1206173C
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- powder
- microorganism
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- rubber
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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)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Abstract
The present invention aims to provide active microorganism carriers which can be used for the biotic treatment of waste water, urban sewage, reclaimed water and micro-polluted water. The active microorganism carriers contain rubber powder, specific gravity regulating agents, binding agents and active filling agents. The carriers of the present invention can be made into the shape of granules, short tubes, sheet blocks, bands, aquatic weed, etc., and can be made into serial products with difference specific weight, wherein microorganism powder and pulverized dry active sludge can be used as the active filling agents, the active filling agents are provided with living cells or living spores, which can grow and propagate when moisture exists, and thus, a large number of microorganisms grow on the microorganism carriers to form biological films before the microorganism carriers are used, a debugging start-up time can be shortened, and the economic benefit can be increased.
Description
Technical field
The present invention relates to the biologic treating technique of various organically-polluted waters, particularly the used living microorganism carrier of submerged biofilm treatment technology.
Background technology
Biomembrance process is occupying an important position aspect the biological treatment of organically-polluted water.Early stage biofilm carrier adopts crude substance such as slag, bamboo chip, batten, developed subsequently with paper, glass reinforced plastic, plastics etc. is the honeycomb fashion or the closed assembly filler such as corrugated of material, it with plastics, pottery etc. the dump packing such as ring-type multiaspect, hollow spheres, sphere of material, be the soft semi soft packing of suspension, elastic solid filler of material etc. with macromolecular materials such as plastics, developing with light plastic etc. around the nineteen ninety is the floating stuffing of material.The material of above-mentioned filler is an inert, and specific surface area is little, microbial film is not promoted and activation, at aspect defectiveness such as biomembranous fast culture, weather resistance.
Application for a patent for invention 96198802.9 " porous polymeric bio-carrier and the application in biological wastewater treatment thereof " has disclosed a kind of porous biological carrier as microbe carrier in the biological wastewater treatment and has comprised polymeric material and optional fiber reinforced material, sorbing material and/or mineral filler, its proportion is grown in the hole surely greater than water and the enough suitable microorganism of pore size.This technology is increasing aspect the filler weather resistance.
Application for a patent for invention 00114276.3 " a kind of active filler that is used for water treatment " has disclosed and has a kind ofly added biologically active substance at macromolecular material and create the active filler that is used for water treatment, can promote that microorganism grows in this active filler, form microbial film fast; Can increase the practical surface-area of filler, and then increase microbial biomass, that is improve the biological activity of the apparent specific surface area of active filler; The adding of active substance also can reduce the production cost of filler greatly.
Application for a patent for invention 96120357.9 and 01136013.5 discloses the granular carrier with rubber powder, EVA (ethene and vinylacetic acid multipolymer) or derivatives thereof, Powdered Activated Carbon (or inorganics ultrafine powder) of two kinds of different ingredients respectively, be applicable to bio-reactors such as three-phase fluidized bed biofilm reactor, BAF, have favorable mechanical wear resistance and biochemical stability, can fast processing sewage.These two technology have made full use of the wear-resisting endurance quality of rubber powder, and gac is to the absorption property of organism and bacterium, and processing efficiency is higher, but cost is also higher.
The prescription of above-mentioned filler is all less than adjusting the proportion of product specially, is restricted in the application of some occasions.
The microbe carrier product of above-mentioned prescription does not all have microbial film before dropping into application, so all need the long biofilm development incubation period in 3-4 week, treat effluent just can reach the index of expection.
Summary of the invention
The purpose of this invention is to provide a kind of living microorganism carrier that is used for water treatment, contain in this carrier:
1, rubber powder makes full use of the wear-resisting endurance quality of rubber powder, guarantees the stable performance of product life-time service;
2, proportion conditioning agent is used to regulate the proportion of microbe carrier, adds or does not add in right amount as required.The requirement that contrasts reconditioning dose is to be difficult for being decomposed destruction by organically-polluted water, air, microorganism and meta-bolites thereof in the biological treatment environment, proportion is lighter or heavier than rubber than water, for example: various ores, flyash such as quartz sand, grouan, float stone, diatomite, kaolin, garnet, magnetite, float that pearl, plastic hollow bead, glass powder are minced, ceramics powder minces, slag powders minces, haydite;
3, tackiness agent can use multiple typical binders material, and raw material sources are extensive.Requirement to tackiness agent is to rubber powder, the proportion conditioning agent has good cohesive strength, and be difficult for by the organically-polluted water in the biological treatment environment, air, microorganism and meta-bolites thereof decompose destruction, for example ethene and ethylene acid copolymer (EVA) and derivative thereof, nylon, thermoplastic polyester, ethene-acetate ethylene copolymer, the ETHYLENE-VINYL ALCOHOL COPOLYMER thing, polysulfones, polyolefine, polyvinyl chloride, polycarbonate, polyimide, polyether-ether-ketone, polyphenylene sulfide, the cellulose ester plastics, polyvinyl butyral, styrene polymer, urethane, Resins, epoxy, the natural rubber glue, the isoprene-isobutylene rubber glue, Ethylene Propylene Terpolymer alkene rubber glue, the chloroprene rubber glue, the viton glue, silicon rubber, pitch and these materials material modified;
4, reinforcing filler, by easily being formed by the nutritive substance of microbiological degradation and auxiliary agent and/or microorganism, can be before applying filler field planting microorganism in advance, promote the microorganism of some kind in active filler, to grow, form microbial film fast, can increase the practical surface-area of carrier, and then increase microbial biomass, the adding of active substance can reduce the production cost of filler, microbial dry powder for example, the animals and plants powder, the grain powder, the organic waste residues processing powder of various food-processing industrys minces, and the active sludge xeraphium minces, the nutrient salts of nitrogenous phosphoric and the divalence and the trivalent metal ion salts class that can form jelly shape colloid condensation with these materials, organic polyelectrolyte, water.
Certainly, in the production process of carrier, the selected of prescription will require according to the difference of cost, production technique to be optimized, and be outstanding, with low cost with the performance that guarantees product.
The profile of vector product of the present invention can have multiple shape, and common have particulate state, short tube shape, a sheet bulk, also can make the product of the different product of different sites proportion as special shapes such as band shape, pasture and water shapes.
Innovative point of the present invention is mainly reflected in following several respects:
1, neoteric microbe carrier has durable, the wear resistance of rubber powder concurrently, and the raw material of reinforcing filler is extensive, cheap, film forming advantage fast, is the optimum combination of several advanced persons' carrier technique.
2, the proportion that has added proportion conditioning agent adjusting finished product in the neoteric microbe carrier.The various products that do not add or add less the proportion conditioning agent can be applied to conventional three-phase fluidized-bed bioreactor, BAF, the product that proportion is bigger can be applied to the air supporting biological filter, and proportion is well suited for being applied to adopting the technological transformation of the sewage work of traditional activated sludge process less than the floated microbe carrier of water.
The microbe carrier that proportion is suitable is applied to three-phase fluidized-bed bioreactor, can cut down the consumption of energy, and improves oxygen utilization rate, thereby reduces running cost.
3, choosing of adhesive material not only is confined to EVA and such hot melt adhesive, the thermoplastics of derivative thereof, also can be multiple tackiness agent class materials such as epoxy resin, rubber glue, pitch.Certainly, the kind difference of tackiness agent, production technique are also with regard to corresponding difference.Relevant production technique can be given an example with reference to the application implementation of back.
4, choosing and the working method that adds microbe carrier at the reinforcing filler raw material.Grain and water, divalence and trivalent metal ion salts class or organic polyelectrolyte can be processed and obtain jelly, bean curd, bean jelly isocolloid condensation product, such colloid condensation is filled in the duct of living microorganism carrier, easy dissolving is scattering in the water unlike general starch class material, can stick to more firmly in the duct than materials such as general starch, can provide nutrition for the breeding of a large amount of microorganisms, thereby improve the biomass in the microbe carrier rapidly, shorten the time of biological culture.
5, can select biological dry powder and active sludge xeraphium to mince in the reinforcing filler raw material, they have viable cell or the spore of living, just can growth and breeding when amount of water is arranged, make microbe carrier before dropping into application, a large amount of microbial films be arranged with regard to length, in 1-2 week field adjustable time in the time of can shortening practical engineering application, remarkable in economical benefits improves.
Embodiment
Embodiment one
Raw material: choose 40 order rubber powder 1000g, 40 order quartz sand 200g are as the proportion conditioning agent, and EVA resin 400g is as tackiness agent, Semen Maydis powder 100g, water 2000g, alum 10g, active sludge dry powder 10g.
Manufacture method: rubber powder, quartz sand, EVA are heated while stirring up to the EVA fusing, and the EVA after mixing is wrapped in the surface of rubber powder and quartz sand, obtains having the mixture of vesicular structure.Mixture is cut into the shape that needs.Can adopt plastics extruder to be processed into bar shaped, then earnestly or cut into the size that needs after the cooling.The product needed of some special shapes adopts specific forming technology.With setting below the material cooled to 100 of cutting forming ℃.
Alum adds the water about 100g, and heating is mixed with the solution more than 90 ℃.
Semen Maydis powder is added the congee shape that about 90 ℃ of heavy-gravity are made in an amount of water heating.The material of cutting forming is added, mix and maintain the temperature at about 90 ℃.Add alum solution, constantly stir and cooling mixture, promptly obtain not having the living microorganism carrier of microbe inoculation.
With active sludge dry powder and suitable quantity of water furnishing pasty state, mix the living microorganism carrier of promptly being inoculated in advance with above-mentioned refrigerative living microorganism carrier.
Embodiment two
Raw material: choose 40 order rubber powder 1000g, do not add the proportion conditioning agent, 300g is as tackiness agent altogether for Resins, epoxy+solidifying agent, and Semen Maydis powder 100g is as reinforcing filler.
Manufacture method: rubber powder, Semen Maydis powder, Resins, epoxy+solidifying agent are mixed stirring together, obtain having the mixture of vesicular structure after mixing.When resin solidifies the viscosity that reaches certain gradually, the mixture extruding is cut into the shape that needs.Cleaved products is put into completely solidified in a large amount of Semen Maydis powder, can obtains not having the living microorganism carrier of microbe inoculation, be fit to long-term storage.
Above-mentioned living microorganism carrier added water and microbe inoculation, the living microorganism carrier of promptly being inoculated in advance in 20-40 days before use.
Embodiment three
Raw material: choose 40 order rubber powder 1000g, do not add the proportion conditioning agent, self-vulcanized rubber glue 300g is as tackiness agent, and fodder meal 100g is as reinforcing filler.
Manufacture method: rubber powder, fodder meal, self-vulcanized rubber glue are mixed stirring together, obtain having the mixture of vesicular structure after mixing.When glue becomes dry gradually, when mixture reaches certain intensity, the mixture extruding is cut into the shape that needs.Cleaved products is put into completely solidified in a large amount of fodder meals, can obtains not having the living microorganism carrier of microbe inoculation.
Embodiment four
Raw material: choose 30 order rubber powder 500g, hollow glass floats pearl 500g as the proportion conditioning agent, and rubber glue 400g is as tackiness agent, and fodder meal 100g is as reinforcing filler.
Manufacture method: with rubber powder, float pearl, the rubber glue mixes stirring together, obtains having the mixture of vesicular structure after mixing.When glue becomes dry gradually, when mixture reaches certain intensity, the mixture extruding is cut into the shape that needs.The cleaved products outside surface is stained with fodder meal, is heating and curing, can obtain to swim in the living microorganism carrier that does not have microbe inoculation on the water surface.
Claims (6)
1. one kind is used for living microorganism carrier that organically-polluted water is carried out a biological disposal upon, be particulate state, tubulose or sheet bulk, include the three-dimensional duct of abundant suitable microorganism growth, reinforcing filler is contained on surface in carrier outside surface and three-dimensional duct, it is characterized in that described microbe carrier comprises:
A. rubber powder is formed by the rubber pulverizing;
B. proportion conditioning agent is used to regulate the proportion of microbe carrier, is difficult for being decomposed by organically-polluted water, air, microorganism and meta-bolites thereof in the biological treatment environment destroying, and adds in right amount as required;
C. tackiness agent can be rubber powder, the proportion conditioning agent is bonding becomes needed face shaping, and is difficult for being decomposed by organically-polluted water, air, microorganism and meta-bolites thereof in the biological treatment environment and destroys;
D. reinforcing filler is by easily being formed by the nutritive substance of microbiological degradation and auxiliary agent and/or microorganism.
2. living microorganism carrier according to claim 1 is characterized in that described proportion conditioning agent is one or more the mixture in following small-particle or the powder mass: quartz sand, grouan, float stone, diatomite, kaolin, garnet, magnetite, flyash, float that pearl, plastic hollow bead, glass powder are minced, ceramics powder minces, slag powders minces, haydite.
3. living microorganism carrier according to claim 1 is characterized in that described tackiness agent is one or more the mixture in the following material: ethene and ethylene acid copolymer (EVA) and derivative thereof, nylon, thermoplastic polyester, ethene-acetate ethylene copolymer, the ETHYLENE-VINYL ALCOHOL COPOLYMER thing, polysulfones, polyolefine, polyvinyl chloride, polycarbonate, polyimide, polyether-ether-ketone, polyphenylene sulfide, the cellulose ester plastics, polyvinyl butyral, styrene polymer, urethane, Resins, epoxy, the natural rubber glue, the isoprene-isobutylene rubber glue, Ethylene Propylene Terpolymer alkene rubber glue, the chloroprene rubber glue, the viton glue, silicon rubber, pitch and these materials material modified.
4. living microorganism carrier according to claim 1, it is characterized in that described reinforcing filler is one or more the mixture in the following material: the organic waste residues processing powder of microbial dry powder, animals and plants powder, grain powder, various food-processing industrys minces, and the active sludge xeraphium minces, the nutrient salts of nitrogenous phosphoric and can form the divalence of jelly shape colloid condensations and trivalent metal ion salts class, organic polyelectrolyte, water with these materials.
5. living microorganism carrier according to claim 1 is characterized in that described reinforcing filler partly mixes in the tackiness agent.
6. living microorganism carrier according to claim 1 is characterized in that the reinforcing filler on the described microbe carrier is bred through microbial growth before the engineering practical application, form the microbial film of biologically active.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031502504A CN1206173C (en) | 2003-07-23 | 2003-07-23 | Active microorganism carrier for use in biological treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031502504A CN1206173C (en) | 2003-07-23 | 2003-07-23 | Active microorganism carrier for use in biological treatment |
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| CN1478735A CN1478735A (en) | 2004-03-03 |
| CN1206173C true CN1206173C (en) | 2005-06-15 |
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| CNB031502504A Expired - Fee Related CN1206173C (en) | 2003-07-23 | 2003-07-23 | Active microorganism carrier for use in biological treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412005C (en) * | 2006-05-31 | 2008-08-20 | 清华大学 | Water treatment biological carrier and making method therefor |
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| CN100383060C (en) * | 2006-06-30 | 2008-04-23 | 李奎日 | Microorganism composite carrier and application thereof |
| CN101148289B (en) * | 2006-09-19 | 2010-07-28 | 宜兴市裕隆环保有限公司 | Suspending porous biological carrier and preparation |
| CN1958475B (en) * | 2006-11-23 | 2010-04-14 | 华南理工大学 | Suspended biological carrier with material adapted to categories and behaviours of microbe |
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| CN101948822A (en) * | 2010-05-24 | 2011-01-19 | 南京林业大学 | New process for latex gel immobilized cells |
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| CN105060467B (en) * | 2015-08-25 | 2018-05-18 | 桂琪 | A kind of multiporous biological filler and its preparation method and application |
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| CN106111680A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | A kind of processing method of changing food waste |
| CN106277302A (en) * | 2016-09-13 | 2017-01-04 | 成都创慧科达科技有限公司 | The production system of a kind of environmental protection activated sludge and the environmental protection activated sludge of production thereof |
| CN108483679B (en) * | 2018-06-05 | 2022-02-15 | 佛山皖阳生物科技有限公司 | Preparation method of efficient biological membrane filter material |
| CN109052867A (en) * | 2018-10-08 | 2018-12-21 | 江苏裕隆环保有限公司 | A kind of dispersed wastewater EGA processing unit and treatment process based on modified active carrier |
| CN111704447A (en) * | 2020-06-30 | 2020-09-25 | 广西夏阳环保科技有限公司 | Composite quartz sand filter material for sewage treatment and preparation method thereof |
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| CN115196742A (en) * | 2022-08-16 | 2022-10-18 | 合肥工业大学 | Sewage treatment filler with selectivity on microorganism species |
-
2003
- 2003-07-23 CN CNB031502504A patent/CN1206173C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412005C (en) * | 2006-05-31 | 2008-08-20 | 清华大学 | Water treatment biological carrier and making method therefor |
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| CN1478735A (en) | 2004-03-03 |
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