CN105948399B - The biochemical preparation and preparation method thereof of xanthan gum production waste water - Google Patents

The biochemical preparation and preparation method thereof of xanthan gum production waste water Download PDF

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CN105948399B
CN105948399B CN201610455513.0A CN201610455513A CN105948399B CN 105948399 B CN105948399 B CN 105948399B CN 201610455513 A CN201610455513 A CN 201610455513A CN 105948399 B CN105948399 B CN 105948399B
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parts
preparation
xanthan gum
composite bacteria
bacteria agent
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CN105948399A (en
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杜鹏
丁兆堂
徐亚娟
周敬
高启超
刘苏宜
孙成菊
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INNER MONGLIA FUFENG BIOLOGICAL TECHNOLOGY Co Ltd
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INNER MONGLIA FUFENG BIOLOGICAL TECHNOLOGY Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)

Abstract

The present invention relates to a kind of biochemical preparations of processing xanthan gum production waste water, the preparation includes physical preparation and composite bacteria agent, and the composite bacteria agent includes the raw material of following volume ratio: 4 parts of pseudomonas aeruginosa, 4 parts of green ochre mould, 3 parts of Acidithiobacillus ferrooxidans strain GF, 3 parts of bacillus amyloliquefaciens, 2 parts of Clostridium papyrosolvens, 2 parts of scenedesmus obliquus.The biochemical preparation has the microorganism of excellent degradation capability containing there are many to Recalcitrant chemicals, and reasonable compatibility between each strain has good degradation effect, has broad application prospects.

Description

The biochemical preparation and preparation method thereof of xanthan gum production waste water
Technical field
The present invention relates to biofermentation industry xanthan gum clean manufacturing field, a kind of xanthan gum production waste water is specifically provided Biochemical preparation and preparation method thereof.
Background technique
Xanthan gum (xanthan gum) is the northern research department (Northern of United States Department of Agriculture's the 1950s Regional Research Laboratories, NRRL) from sarson Huang sporangium (Xanthom onas cam Pestris) NRRLB21459 has found the neutral water soluble polysaccharide of secretion, also known as xanthan gum.It is by glucose, mannose The outer heteroglycan of a kind of extracellular microbial formed with glucuronic acid with 218: 2: 2 molar ratio, " pentasaccharides repetitive unit " main chain It is formed by 2 D-Glucose molecules through β-Isosorbide-5-Nitrae glucosides key connection, the skeleton structure with like fibrous element, in every 2 glucose A carbon key on be connected with three carbohydrate side chains being made of 2 sweet glycan and 1 glucuronic acid.Unique point of xanthan gum Minor structure imparts the physicochemical property of its numerous brilliance, such as good thickening property, thixotropy, emulsibility, pseudoplastic behavior.It is also One important characteristic is can to generate reciprocation with other polysaccharides viscosity be caused to increase, meanwhile or a kind of through repeatedly The green matter of the non-toxic and safe of confirmation, therefore become in food industry widely used a kind of bacterial polysaccharides and at present in the world One of the biogum that best performance is got over.Since early 1960s U.S. Kelco company puts into industrialized production, xanthan gum Product has been widely used in fields such as food, light industry, medicine, weaving, cosmetics, oil exploitation and fire-fightings.
Currently, the production method of xanthan gum mainly has fermentation method, protein Hydrolyze method and three kinds of chemical synthesis, wherein micro- Biological fermentation process has become the main stream approach of production xanthan gum.Fermentation method produces xanthan gum need to be through everfermentation, film filtering, concentration The technological operations such as crystallization, centrifuge separation, ion exchange, drying, screening, packaging will generate a large amount of after concentrate centrifuge separation Impurity amino acid, protein, residual sugar, inorganic salt and other material.
As the demand to xanthan gum surges, China has become the maximum xanthan gum producing country in the whole world.Because xanthan gum is Biofermentation polysaccharide, the problem of fermented waste fluid will necessarily being brought to pollute, since xanthan gum has insoluble machine agent, spy soluble easily in water It selects so need to add a large amount of organic solvents into fermentation liquid in production, xanthan gum is precipitated out from fermentation liquid, then with Distillation side obtain product, extract generate waste water characteristic be containing a large amount of thallus and with organic matter (COD), there are also rectifying column recycling Efflux wastewater and equipment cleaning after drinking, major pollutants are the organic matters such as unused starch, protein.Xanthan Gum Wastewater is also Having an evident characteristic is exactly containing gelatin substance, it is difficult to which degradation treatment mainly contains part containing a large amount of fermentation pollutant The inorganic salts such as sodium chloride, sodium nitrate, calcium chloride and a large amount of carbohydrate and organic molecular species such as residual sugar, acetic acid, pyruvic acid etc., CODcr is in 4000mg/L or more.If processing is bad, not only pollute the environment, can also waste biological substance therein, while right The water resource in China constitutes a threat to, by the serious development for restricting enterprise.
Waste water caused by the link of entire production threonine contains the pollutants such as the industrial COD of high concentration, ammonia nitrogen, handles Higher cost constrains the development of xanthan gum industry.Although manufacturing enterprise, scientific research institution and related universities and colleges are all to improvement A large amount of research is carried out.But all there are no mature complete set technologys to be applied to production practices both at home and abroad at present.It is main to ask Topic is that one-time investment is excessive or day-to-day operation expense is excessively high, and most producers are unbearable, it has to maintain exceeded row for a long time The status put.
Have nothing in common with each other at present to the processing method of Xanthan Gum Wastewater, physical method can faster removal waste water in object Matter, but its disadvantage also can not be ignored, such as equipment will be cleaned often, prevent the extensive use of the method in the treatment of waste water.It is existing There are also wastewater treatment is used for using physical absorption in technology, absorption method depends on the huge specific surface area of adsorbent, passes through Physical absorption or chemisorption remove the pollutant in water.Active carbon is because having pore structure abundant and huge specific surface Product, and its chemical stability is good, and adsorption capacity is strong, is often widely used as a kind of important sorbent material, but its at This is higher.There are also being adsorbed using the nonmetallic ions mineral such as attapulgite, but natural non-metallic mineral have as adsorbent Following limitation: natural non-metallic mineral density is larger and specific surface area is limited, and natural non-metallic mineral surfaces mostly band is negative Electricity, and natural non-metallic fine ore such as clay minerals are directlyed adopt as adsorbent, solid-liquid is difficult to separate after having absorption Problem.
Chemical method degradation process is then simple but random.Xanthan gum at high operating temperatures, can occur with oxidizing substance Thermal degradation, but this method needs a large amount of heat.And current bioremediation is required to pre-process such as flocculation, air bearing.With Physical method, chemistry are compared, and micro- raw processing waste water has the distinguishing features such as economical and efficient and can realize the recycling of wastewater treatment, nothing Evil, so that microbial method occupies critical positions in always.
Summary of the invention
The purpose of the present invention is being directed to the deficiency of traditional handicraft, a kind of biochemical system of processing xanthan gum production waste water is provided Agent and preparation method thereof significantly reduces production cost, and production process is easy to operate, stable and reliable product quality.Meet money Source comprehensive utilization, energy-saving and emission-reduction requirement, while reducing discharging of waste liquid, alleviate sewage treatment burden, bring huge Economic benefit and environmental benefit.In order to achieve the object of the present invention, it adopts the following technical scheme that
The biochemical preparation of xanthan gum production waste water is handled, the preparation includes physical preparation and composite bacteria agent;
Include: using the method that the biochemical preparation handles Xanthan Gum Wastewater
(1) by Xanthan Gum Wastewater after grid, into setting pot, enter primary deposition by the sewage of girt-water separation Pond promotes the buoyance lift of grease in waste water, reduces the content of suspended matter by primary sedimentation tank;
(2) physical absorbent is prepared
It is mixed according to forsterite powder, conch meal, kaolin, chitosan, the mass ratio that pore creating material mass ratio is 3:2:3:1:5 Close, stir evenly and be placed in pelletizer, mixture 22-25%(weight is added) water, be granulated, obtaining partial size is 3~5mm Spherical green compact;Dry 20h, calcines 1h under the conditions of 1050 DEG C, obtains physical absorbent under the conditions of 95 DEG C.
(3) waste water by primary sedimentation tank processing enters aeration tank, adds the addition of 0.4kg in aeration tank according to sewage per ton Physical absorbent is added in sewage by amount;
After physical absorbent is handled, part NH3- N, sulfate radical, phosphorus are removed;
(4) enter sedimentation basin by the waste water of Air Exposure, adjusting pH is 6.5-7.0, and waste water per ton adds compound every time 10 grams of microbial inoculum, sewage residence time control in sedimentation basin is to be discharged after 24 hours.
The composite bacteria agent is prepared by microbial bacterial agent, algae microbial inoculum;
Preferably, the active constituent of the composite bacteria agent includes the raw material of following volume ratio:
4 parts of pseudomonas aeruginosa, 4 parts of green ochre mould, 3 parts of Acidithiobacillus ferrooxidans strain GF, 3 parts of bacillus amyloliquefaciens, 2 parts of Clostridium papyrosolvens, 2 parts of scenedesmus obliquus;
The pseudomonas aeruginosa is pseudomonas aeruginosa (Pseudomonas aeruginosa) ATCC15442;
The green ochre mould is (penicillium ochrochlorron) CGMCC NO.4390(CN102174411);
The Acidithiobacillus ferrooxidans strain GF is Acidithiobacillus ferrooxidans strain GF (Acidithiobacillus Ferrooxidans) 53993 ATCC;
The bacillus amyloliquefaciens be (Bacillus amyloliquefaciens) ATCC 23843;
The Clostridium papyrosolvens be (Clostridium papyrosolvens) ATCC 700395;
The scenedesmus obliquus is (Scenedesmus obliquus) CGMCC No.8015(CN103484374A).
By the above pseudomonas aeruginosa, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, molten paper shuttle Bacterium, scenedesmus obliquus control 1 × 10 according to routine culture concentration8A/gram, it is 1 × 10 by scenedesmus obliquus culture to concentration5 The algae solution of a/ml, by above-mentioned pseudomonas aeruginosa, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, molten Paper clostridium, scenedesmus obliquus bacterium solution are mixed according to volume ratio, are stood 6 hours, are obtained mixing liquid;
Mixing liquid and carrier are mixed according to weight ratio for 1:2 up to composite bacteria agent
The adsorbing agent carrier is made of the raw material that following weight matches: 4 parts of attapulgite, 3 parts of montmorillonite, straw powder 3 Part, 2 parts of kaolin, above-mentioned attapulgite, montmorillonite, straw powder, kaolin are 100 mesh.
After mixing liquid and carrier are mixed by weight, mixed material is dried, drying temperature is 20-50 DEG C, Water content is 20-30% after drying;It examines, packaging: being examined by quality standard, finished product is packed by weight to get compound bacteria Agent.
Carrier provided by the invention can not only expand the specific surface area of carrier, and, distribution big with tensile strength is The features such as even, large specific surface area, long service life;
Carrier provided by the invention can greatly improve the adhesion amount of microorganism, increase the biofilm biomass integrally adhered to, instead It answers the microorganism concn in slot to be improved, and sludge yield can be reduced;
It is that the present invention obtains the utility model has the advantages that
1 forsterite is commonly used for refractory material: manufacturing forsterite brick, is used for ladle, goes out in glass melter as electric furnace Steel mouth filler material primary raw material etc., but it is relatively simple to its development and application, and the above-mentioned refractory material purposes of forsterite is to grain Degree requires stringent, it is only necessary to which coarseness and middle granularity cause developing along with forsterite is brittle so that fine powder does not have purposes Middle to generate a large amount of fine powders, above-mentioned forsterite fine powder causes the wasting of resources for filling out ditch.And the fine powder that wet production line generates Part is drifted away with river water, causes serious environmental pollution.
After the present invention uses physical absorption, not only waste utilization forsterite fine powder, but also pass through physical absorption, part NH3- N, sulfate radical, phosphorus are removed, and are greatly reduced the time of subsequent biological treatment and the dosage of biological treatment microbial inoculum, are also dropped Low processing cost.
Specifically for physical absorption is passed through, the sewage after removing most ammonia-nitrogen sulfate radical is designed 2 composite bacteria agents, will The various strains that can form dominant microflora, are configured to high-efficiency microorganism preparation, are added in waste water treatment system, add by a certain amount of The degradation of fast microbe guarantees system stable operation to improve the biological treatment efficiency of system.It is containing there are many right Recalcitrant chemicals have a microorganism of excellent degradation capability, reasonable compatibility between each strain, and symbiosis is coordinated, mutually not antagonism, activity Height, biomass is big, and breeding is fast, adds in waste water treatment system, has good degradation effect to macromolecular, hard-degraded substance, There is unique treatment effect to traditional propylhomoserin process discharge waste water.Discharge of wastewater processing is generated suitable for the application preparation method, Processing water and water quality treatment can be improved, reduce operating cost, promote qualified discharge.
3 adsorbents are to make it water-soluble containing a certain number of sticking grains containing the natural material based on attapulgite There is different degrees of electronegativity in liquid, metastable suspended particulate is presented in the variation of this electronegativity and raw wastewater, electricity occurs The processes such as neutralization, absorption, destroy the potential balance of raw wastewater, aggravate the collision between suspended particulate, so that the effect of flocculation decline Fruit enhancing.And above-mentioned attapulgite, montmorillonite, stalk, contain a certain amount of minerals in chitin carrier, it is effectively scattered in useless When water, its own cation exchange capacity (CEC) having plays positive booster action in flocculation process, kaolin be macromolecule sun from Sub- flocculant, plays that its net is caught and bridge formation function, adsorption effect are improved in the treatment of waste water.
Specific embodiment
Embodiment 1
The biochemical preparation of xanthan gum production waste water is handled, the preparation includes physical preparation and composite bacteria agent;
Include: using the method that the biochemical preparation handles Xanthan Gum Wastewater
(1) by Xanthan Gum Wastewater after grid, into setting pot, enter primary deposition by the sewage of girt-water separation Pond promotes the buoyance lift of grease in waste water, reduces the content of suspended matter by primary sedimentation tank;
(2) physical absorbent is prepared
It is mixed according to forsterite powder, conch meal, kaolin, chitosan, the mass ratio that pore creating material mass ratio is 3:2:3:1:5 Close, stir evenly and be placed in pelletizer, mixture 22-25%(weight is added) water, be granulated, obtaining partial size is 3~5mm Spherical green compact;Dry 20h, calcines 1h under the conditions of 1050 DEG C, obtains physical absorbent under the conditions of 95 DEG C.
(3) waste water by primary sedimentation tank processing enters aeration tank, adds the addition of 0.4kg in aeration tank according to sewage per ton Physical absorbent is added in sewage by amount;
After physical absorbent is handled, part NH3- N, sulfate radical, phosphorus are removed;
(4) enter sedimentation basin by the waste water of Air Exposure, adjusting pH is 6.5-7.0, and waste water per ton adds compound every time 10 grams of microbial inoculum, sewage residence time control in sedimentation basin is to be discharged after 24 hours.
The composite bacteria agent is prepared by microbial bacterial agent, algae microbial inoculum;
Preferably, the active constituent of the composite bacteria agent includes the raw material of following volume ratio:
4 parts of pseudomonas aeruginosa, 4 parts of green ochre mould, 3 parts of Acidithiobacillus ferrooxidans strain GF, 3 parts of bacillus amyloliquefaciens, 2 parts of Clostridium papyrosolvens, 2 parts of scenedesmus obliquus;
The pseudomonas aeruginosa is pseudomonas aeruginosa (Pseudomonas aeruginosa) ATCC15442;
The green ochre mould is (penicillium ochrochlorron) CGMCC NO.4390;
The Acidithiobacillus ferrooxidans strain GF is Acidithiobacillus ferrooxidans strain GF (Acidithiobacillus Ferrooxidans) 53993 ATCC;
The bacillus amyloliquefaciens be (Bacillus amyloliquefaciens) ATCC 23843;
The Clostridium papyrosolvens be (Clostridium papyrosolvens) ATCC 700395;
The scenedesmus obliquus is (Scenedesmus obliquus) CGMCC No.8015(CN103484374A)
By the above pseudomonas aeruginosa, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, molten paper shuttle Bacterium, scenedesmus obliquus control 1 × 10 according to routine culture concentration8A/gram, it is 1 × 10 by scenedesmus obliquus culture to concentration5 The algae solution of a/ml, by above-mentioned pseudomonas aeruginosa, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, molten Paper clostridium, scenedesmus obliquus bacterium solution are mixed according to volume ratio, are stood 6 hours, are obtained mixing liquid;
Mixing liquid and carrier are mixed according to weight ratio for 1:2 up to composite bacteria agent
The adsorbing agent carrier is made of the raw material that following weight matches: 4 parts of attapulgite, 3 parts of montmorillonite, straw powder 3 Part, 2 parts of kaolin, above-mentioned attapulgite, montmorillonite, straw powder, kaolin are 100 mesh.
After mixing liquid and carrier are mixed by weight, mixed material is dried, drying temperature is 20-50 DEG C, Water content is 20-30% after drying;It examines, packaging: being examined by quality standard, finished product is packed by weight to get compound bacteria Agent.
Embodiment 2
The biochemical preparation of xanthan gum production waste water is handled, the preparation includes physical preparation and composite bacteria agent;
Include: using the method that the biochemical preparation handles Xanthan Gum Wastewater
(1) by Xanthan Gum Wastewater after grid, into setting pot, enter primary deposition by the sewage of girt-water separation Pond promotes the buoyance lift of grease in waste water, reduces the content of suspended matter by primary sedimentation tank;
(2) physical absorbent is prepared
It is mixed according to forsterite powder, conch meal, kaolin, chitosan, the mass ratio that pore creating material mass ratio is 3:2:3:1:5 Close, stir evenly and be placed in pelletizer, mixture 22-25%(weight is added) water, be granulated, obtaining partial size is 3~5mm Spherical green compact;Dry 20h, calcines 1h under the conditions of 1050 DEG C, obtains physical absorbent under the conditions of 95 DEG C.
(3) waste water by primary sedimentation tank processing enters aeration tank, adds the addition of 0.4kg in aeration tank according to sewage per ton Physical absorbent is added in sewage by amount;
After physical absorbent is handled, part NH3- N, sulfate radical, phosphorus are removed;
(4) enter sedimentation basin by the waste water of Air Exposure, adjusting pH is 6.5-7.0, and waste water per ton adds compound every time 10 grams of microbial inoculum, sewage residence time control in sedimentation basin is to be discharged after 24 hours.
The composite bacteria agent is prepared by microbial bacterial agent, algae microbial inoculum;
Preferably, the active constituent of the composite bacteria agent includes the raw material of following volume ratio:
5 parts of pseudomonas aeruginosa, 5 parts of green ochre mould, 4 parts of Acidithiobacillus ferrooxidans strain GF, 4 parts of bacillus amyloliquefaciens, 3 parts of Clostridium papyrosolvens, 3 parts of scenedesmus obliquus;
The pseudomonas aeruginosa is pseudomonas aeruginosa (Pseudomonas aeruginosa) ATCC15442;
The green ochre mould is (penicillium ochrochlorron) CGMCC NO.4390;
The Acidithiobacillus ferrooxidans strain GF is Acidithiobacillus ferrooxidans strain GF (Acidithiobacillus Ferrooxidans) 53993 ATCC;
The bacillus amyloliquefaciens be (Bacillus amyloliquefaciens) ATCC 23843;
The Clostridium papyrosolvens be (Clostridium papyrosolvens) ATCC 700395;
The scenedesmus obliquus is (Scenedesmus obliquus) CGMCC No.8015(CN103484374A)
By the above pseudomonas aeruginosa, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, molten paper shuttle Bacterium, scenedesmus obliquus control 1 × 10 according to routine culture concentration8A/gram, it is 1 × 10 by scenedesmus obliquus culture to concentration5 The algae solution of a/ml, by above-mentioned pseudomonas aeruginosa, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, molten Paper clostridium, scenedesmus obliquus bacterium solution are mixed according to volume ratio, are stood 6 hours, are obtained mixing liquid;
Mixing liquid and carrier are mixed according to weight ratio for 1:2 up to composite bacteria agent
The adsorbing agent carrier is made of the raw material that following weight matches: 4 parts of attapulgite, 3 parts of montmorillonite, straw powder 3 Part, 2 parts of kaolin, above-mentioned attapulgite, montmorillonite, straw powder, kaolin are 100 mesh.
After mixing liquid and carrier are mixed by weight, mixed material is dried, drying temperature is 20-50 DEG C, Water content is 20-30% after drying;It examines, packaging: being examined by quality standard, finished product is packed by weight to get compound bacteria Agent.
Embodiment 3 handles waste water example effects
Abundant rich workshop xanthan gum fermentation waste water is taken, enters sewage treatment according to embodiment 1-2 method bottom material respectively COD, ammonia nitrogen, total nitrogen data is measured by sampling in system;
Control group 1 compared with Example 1, does not add physical absorbent;Compare 2 groups do not add compared with Example 1 it is compound Microbial inoculum.COD, ammonia nitrogen, SS, water outlet phosphorus content and clarity test data such as the following table 1 is measured by sampling:
Table 1
COD removal rate Ammonia nitrogen removal frank Tp removal rate It is discharged phosphorus content Clarity
Compare 1 group 50.7% 43.3% 51.5% > 0.5mg/L 11cm
Compare 2 groups 49.5% 61.7% 62.4% > 0.5mg/L 10cm
Example 1 group 99.9% 99.5% 99.6% < 0.5mg/L 27cm
2 groups of embodiment 99.7% 99.5% 99.5% < 0.5mg/L 27cm
Listed above is only best specific embodiment of the invention.It is clear that the invention is not restricted to which above embodiments, may be used also With there are many deformations.All changes that those skilled in the art directly can export or associate from present disclosure Shape is considered as protection scope of the present invention.

Claims (5)

1. a kind of biochemical preparation of processing xanthan gum production waste water, the preparation includes physical preparation and composite bacteria agent;
The physical preparation are as follows: according to forsterite powder, conch meal, kaolin, chitosan, pore creating material mass ratio be 3:2:3:1: 5 mass ratio mixing, stirs evenly and is placed in pelletizer, the water for accounting for mixture 22-25%w/w is added, be granulated, obtain partial size For the green compact of 3~5mm;Dry 20h under the conditions of 95 DEG C, then calcined under the conditions of 1050 DEG C 1h to get;
The composite bacteria agent is prepared by microbial bacterial agent, algae microbial inoculum;
The composite bacteria agent includes the raw material of following volume ratio:
4 parts of pseudomonas aeruginosa, 4 parts of green ochre mould, 3 parts of Acidithiobacillus ferrooxidans strain GF, 3 parts of bacillus amyloliquefaciens, molten paper 2 parts of clostridium, 2 parts of scenedesmus obliquus.
2. preparation according to claim 1, which is characterized in that
The pseudomonas aeruginosa is (Pseudomonas aeruginosa) ATCC 15442;
The green ochre mould is (penicillium ochrochlorron) CGMCC NO.4390;
The Acidithiobacillus ferrooxidans strain GF is (Acidithiobacillus ferrooxidans) ATCC 53993;
The bacillus amyloliquefaciens are (Bacillus amyloliquefaciens) ATCC 23843;
The Clostridium papyrosolvens are (Clostridium papyrosolvens) ATCC 700395;
The scenedesmus obliquus is (Scenedesmus obliquus) CGMCC No.8015.
3. preparation according to claim 1, which is characterized in that the composite bacteria agent the preparation method comprises the following steps: verdigris is false single Spore bacterium, green ochre mould, Acidithiobacillus ferrooxidans strain GF, bacillus amyloliquefaciens, Clostridium papyrosolvens, are controlled according to routine culture concentration System is 1 × 108A/gram, it is 1 × 10 by scenedesmus obliquus culture to concentration5The algae solution of a/ml, then mixes according to volume ratio, quiet It sets 6 hours, obtains mixing liquid, mixing liquid and carrier are mixed according to weight ratio for 1:2 up to composite bacteria agent.
4. preparation according to claim 3, which is characterized in that the carrier is made of the raw material that following weight matches: recessed Convex stick native 4 parts, 3 parts of montmorillonite, 3 parts of straw powder, 2 parts of kaolin.
5. the purposes that preparation described in claim 1-4 any one is used for xanthan gum production wastewater treatment.
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