CN104478098B - For the treatment of the microbial preparation of coal chemical industrial waste water - Google Patents
For the treatment of the microbial preparation of coal chemical industrial waste water Download PDFInfo
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- CN104478098B CN104478098B CN201410770336.6A CN201410770336A CN104478098B CN 104478098 B CN104478098 B CN 104478098B CN 201410770336 A CN201410770336 A CN 201410770336A CN 104478098 B CN104478098 B CN 104478098B
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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
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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Abstract
The invention belongs to microbial technology field, disclose the microbial preparation for the treatment of coal chemical industrial waste water, this microbial preparation is prepared as follows and forms, and 1) prepare microorganism nutriment, 2) prepare microbe carrier, and 3) prepare microbial preparation.Microbial preparation of the present invention comprises multiple-microorganism, and compatibility is reasonable, association, low in input cost, can large-scale promotion use.
Description
Technical field
The invention belongs to microbial technology field, be specifically related to the microbial preparation for the treatment of coal chemical industrial waste water.
Background technology
At present, due to coal low raw-material cost, utilize coal for Material synthesis liquefied ammonia be the selection of most of chemical enterprise.But take coal as the manufacturing enterprise of the synthetic ammonia of raw material, feed coal can discharge a large amount of waste water in gas making, desulfurization, decarburization, refining, ammonia synthesis process.Owing to containing the elements such as carbon, hydrogen, oxygen, nitrogen, sulphur in coal, organic and the mineral compound of various oxygen, nitrogen, sulphur is transformed in retort process, make to contain multiple poisonous and hazardous pollutent in the phlegma of the moisture in coal gas and steam, belong to one of trade effluent of refractory reason.How to remove the ammonia nitrogen in high density in sewage and sulfide, becoming with coal is the technical barrier that the enterprise of the synthetic ammonia of raw material must solve.
Take coal as the manufacturing enterprise of the synthetic ammonia of raw material, the selection of sewage treatment process determines the cost of sewage disposal.In sewage disposal, the method for ammonia nitrogen, sulfide and industrial COD has Physical, chemical method and biological process etc.Physical method has reverse osmosis, distillation, stripping, soil irrigation; Chemical method has ion exchange method, break point chlorination, electrochemical treatment, catalytic pyrolysis; Bioremediation mainly contains activated sludge process and biomembrance process.The basis of conventional activated sludge process develops out kinds of processes again, as AO method, MBR method etc.; Biomembrance process mainly contains biological contact oxidation process, blodisc etc., in the majority to choose biochemical processing method in above method.For a long time, adding of biochemical sewage process carbon source uses methyl alcohol, white sugar (or cerelose) always, and methyl alcohol belongs to harmful influence, in use not only there is very large danger; White sugar cost is higher, and enterprise is generally beyond affordability.
There is following shortcoming in the biological method of prior art process coal chemical industry sewage: microbial inoculum compatibility is unreasonable, poor processing effect, and cost is higher mostly, and enterprise is difficult to accept.
Summary of the invention
The technical issues that need to address of the present invention are, overcome the deficiencies in the prior art part, provide the microbial preparation for the treatment of coal chemical industrial waste water, said preparation comprises multiple-microorganism, compatibility is reasonable, and synergy is strong, effectively can remove the ammonia nitrogen in sewage, sulfide, aniline category matter and industrial COD, low in input cost, can large-scale promotion use.
The object of the invention is to be achieved through the following technical solutions:
For the treatment of the microbial preparation of coal chemical industrial waste water, it is prepared as follows and forms:
Preparation microorganism nutriment: dried by agricultural crop straw, be ground into straw powder with pulverizer, add in fermentor tank, then adds dregs of beans and water, after the speed of 500 revs/min stirs 30 minutes, leaves standstill 24 hours, obtained microorganism nutriment; Described fermentation jar temperature controls at 70-80 DEG C; The mass ratio of straw powder, dregs of beans and water is 3:2:5;
Prepare microbe carrier: the particle diameter first controlling diatomite and chitosan is 100-200 order, then diatomite and chitosan is mixed according to the mass ratio of 1:1, to obtain final product;
Prepare microbial preparation: enterococcus faecalis, Bacillus licheniformis, Acinetobacter bauamnnii, rhodococcus, Sphingol single-cell and Pseudomonas fluorescens being trained respectively concentration is 1 × 10
8the bacterium liquid of individual/ml, mix according to the volume ratio of 1:1:2:2:3:3, then mixing and stirring is compared with microorganism nutriment according to the quality of 1:2, cultivate 12 hours for 30 DEG C, add microbe carrier subsequently, 100 turns/min stirs 3min, finally carry out cryodrying, drying temperature is 20-22 DEG C, and after dry, water content is 6-8%, to obtain final product; The addition of described microbe carrier is 1/2nd of microorganism nutriment quality.
Preferably,
Described enterococcus faecalis (Enterococcusfaecalis) is ATCC29212;
Described Bacillus licheniformis (Bacilluslicheniformis) is CCTCCNO.M206082;
Described Acinetobacter bauamnnii (Acinetobacterbaumanii) is ATCC19606;
Described rhodococcus (Rhodococcusrhodochrous) is ATCC15906;
Described Sphingol single-cell (Sphingomonassp.) is CGMCCNO.4589;
Described Pseudomonas fluorescens (P.Fluorescens) is ATCC49642;
Described farm crop are Chinese sorghum or corn.
The using method of mentioned microorganism preparation comprises: first remove the suspended substance in waste water and petroleum substance, then the pH adding hydrochloric acid adjustment waste water is 7, add 20 grams of microbial preparations according to every cubic metre of liquid at every turn, add 1 every day, after adding three days continuously, leave standstill one week again, liquid is filtered by plate filter, finally discharges.
Bacterial classification of the present invention all can be bought from commercial channel such as CGMCC, CCTCC and American Type Culture collection warehousings (ATCC) and obtain.
The enlarged culturing method of microorganism of the present invention can record according to document or the record of prior art is carried out, and is not innovative point of the present invention herein, as space is limited, does not repeat one by one.
The beneficial effect that the present invention obtains is main but be not limited to the following aspects:
Microbial preparation of the present invention is by the various bacterial classification that can form dominant microflora, be mixed with high-efficiency microorganism preparation, be added in Waste Water Treatment by a certain amount of, accelerate the degraded of microbe, to improve the biological treatment efficiency of system, ensure system stable operation;
Reasonable compatibility between each bacterial classification of microbial preparation of the present invention, symbiosis is coordinated, mutually not antagonism, and active high, biomass is large, and breeding is fast;
Composite fungus agent of the present invention is suitable for coal chemical industry sewage process, can improve the process water yield and water quality treatment, reduces working cost, promotes qualified discharge;
The present invention has prepared microorganism nutriment by agricultural wastes, and low price is easily accepted by enterprise.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the application's specific embodiment, the technical scheme of the application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
For the treatment of the microbial preparation of coal chemical industrial waste water, it is prepared as follows and forms:
Preparation microorganism nutriment: dried by agricultural crop straw, be ground into straw powder with pulverizer, add in fermentor tank, then adds dregs of beans and water, after the speed of 500 revs/min stirs 30 minutes, leaves standstill 24 hours, obtained microorganism nutriment; Described fermentation jar temperature controls at 70 DEG C; The mass ratio of straw powder, dregs of beans and water is 3:2:5; Described farm crop are Chinese sorghum;
Prepare microbe carrier: the particle diameter first controlling diatomite and chitosan is 100 orders, then diatomite and chitosan is mixed according to the mass ratio of 1:1, to obtain final product;
Prepare microbial preparation: enterococcus faecalis, Bacillus licheniformis, Acinetobacter bauamnnii, rhodococcus, Sphingol single-cell and Pseudomonas fluorescens being trained respectively concentration is 1 × 10
8the bacterium liquid of individual/ml, mix according to the volume ratio of 1:1:2:2:3:3, then mixing and stirring is compared with microorganism nutriment according to the quality of 1:2, cultivate 12 hours for 30 DEG C, add microbe carrier subsequently, 100 turns/min stirs 3min, finally carry out cryodrying, drying temperature is 20 DEG C, and after dry, water content is 6%, to obtain final product; The addition of described microbe carrier is 1/2nd of microorganism nutriment quality.
The using method of mentioned microorganism preparation comprises: first remove the suspended substance in waste water and petroleum substance, then the pH adding hydrochloric acid adjustment waste water is 7, add 20 grams of microbial preparations according to every cubic metre of liquid at every turn, add 1 every day, after adding three days continuously, leave standstill one week again, liquid is filtered by plate filter, finally discharges.
Embodiment 2
For the treatment of the microbial preparation of coal chemical industrial waste water, it is prepared as follows and forms:
Preparation microorganism nutriment: dried by agricultural crop straw, be ground into straw powder with pulverizer, add in fermentor tank, then adds dregs of beans and water, after the speed of 500 revs/min stirs 30 minutes, leaves standstill 24 hours, obtained microorganism nutriment; Described fermentation jar temperature controls at 80 DEG C; The mass ratio of straw powder, dregs of beans and water is 3:2:5; Described farm crop are corn;
Prepare microbe carrier: the particle diameter first controlling diatomite and chitosan is 200 orders, then diatomite and chitosan is mixed according to the mass ratio of 1:1, to obtain final product;
Prepare microbial preparation: enterococcus faecalis, Bacillus licheniformis, Acinetobacter bauamnnii, rhodococcus, Sphingol single-cell and Pseudomonas fluorescens being trained respectively concentration is 1 × 10
8the bacterium liquid of individual/ml, mix according to the volume ratio of 1:1:2:2:3:3, then mixing and stirring is compared with microorganism nutriment according to the quality of 1:2, cultivate 12 hours for 30 DEG C, add microbe carrier subsequently, 100 turns/min stirs 3min, finally carry out cryodrying, drying temperature is 22 DEG C, and after dry, water content is 8%, to obtain final product; The addition of described microbe carrier is 1/2nd of microorganism nutriment quality.
Described enterococcus faecalis (Enterococcusfaecalis) is ATCC29212;
Described Bacillus licheniformis (Bacilluslicheniformis) is CCTCCNO.M206082;
Described Acinetobacter bauamnnii (Acinetobacterbaumanii) is ATCC19606;
Described rhodococcus (Rhodococcusrhodochrous) is ATCC15906;
Described Sphingol single-cell (Sphingomonassp.) is CGMCCNO.4589;
Described Pseudomonas fluorescens (P.Fluorescens) is ATCC49642.
The using method of mentioned microorganism preparation comprises: first remove the suspended substance in waste water and petroleum substance, then the pH adding hydrochloric acid adjustment waste water is 7, add 20 grams of microbial preparations according to every cubic metre of liquid at every turn, add 1 every day, after adding three days continuously, leave standstill one week again, liquid is filtered by plate filter, finally discharges.
Embodiment 3
With our company's coal chemical industry sewage for example, detect the wastewater treatment efficiency of embodiment 2 microbial preparation, each index all reaches desirable emission standard, and the Testing index of sewage is in table 1:
Table 1
| Before process (mg/L) | After process (mg/L) | Clearance (%) | |
| COD | 987.6 | 11.3 | 98.6 |
| NH3-N | 312.3 | 6.5 | 97.9 |
| Sulfide | 51.3 | 2.3 | 95.5 |
| Phenyl amines | 43.6 | 2.0 | 95.4 |
Conclusion: microbial preparation of the present invention can remove ammonia nitrogen, sulfide and aniline category matter in coal chemical industry sewage effectively, reaches emission standard completely.
Although above done detailed explanation with general explanation and embodiment to this case, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, amendment done without departing from theon the basis of the spirit of the present invention or improvement, all belong to the scope of protection of present invention.
Claims (3)
1. for the treatment of the microbial preparation of coal chemical industrial waste water, it is characterized in that, described microbial preparation is prepared as follows and forms:
1) prepare microorganism nutriment: dried by agricultural crop straw, be ground into straw powder with pulverizer, add in fermentor tank, then add dregs of beans and water, after the speed of 500 revs/min stirs 30 minutes, leave standstill 24 hours, obtained microorganism nutriment; Described fermentation jar temperature controls at 70-80 DEG C; The mass ratio of straw powder, dregs of beans and water is 3:2:5;
2) microbe carrier is prepared: the particle diameter first controlling diatomite and chitosan is 100-200 order, then diatomite and chitosan is mixed according to the mass ratio of 1:1, to obtain final product;
3) microbial preparation is prepared: enterococcus faecalis, Bacillus licheniformis, Acinetobacter bauamnnii, rhodococcus, Sphingol single-cell and Pseudomonas fluorescens being trained respectively concentration is 1 × 10
8the bacterium liquid of individual/ml, mix according to the volume ratio of 1:1:2:2:3:3, then mixing and stirring is compared with microorganism nutriment according to the quality of 1:2, cultivate 12 hours for 30 DEG C, add microbe carrier subsequently, 100 turns/min stirs 3min, finally carry out cryodrying, drying temperature is 20-22 DEG C, and after dry, water content is 6-8%, to obtain final product; The addition of described microbe carrier is 1/2nd of microorganism nutriment quality.
2. microbial preparation according to claim 1, is characterized in that,
Described enterococcus faecalis (Enterococcusfaecalis) is ATCC29212;
Described Bacillus licheniformis (Bacilluslicheniformis) is CCTCCNO.M206082;
Described Acinetobacter bauamnnii (Acinetobacterbaumanii) is ATCC19606;
Described rhodococcus (Rhodococcusrhodochrous) is ATCC15906;
Described Sphingol single-cell (Sphingomonassp.) is CGMCCNO.4589;
Described Pseudomonas fluorescens (P.Fluorescens) is ATCC49642.
3. microbial preparation according to claim 1 and 2, is characterized in that, described farm crop are Chinese sorghum or corn.
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| KR100941352B1 (en) * | 2007-12-03 | 2010-02-11 | 한국과학기술연구원 | Novel microorganisms showing excellent nitrification and denitrification effects, bio-clod for treating wastewater, method for the preparation thereof and method for treating wastewater by using the same |
| US9272933B2 (en) * | 2011-04-04 | 2016-03-01 | Indian Oil Corporation Ltd. | Bio-augmentation composition and use thereof for improving efficiency of effluent treatment in hydrocarbon processing plant |
| CN103087966B (en) * | 2013-02-19 | 2016-02-10 | 广州市微生物研究所 | A kind of regeneration and reparation high efficiency degradation bacterial agent and preparation method thereof |
| CN103146623A (en) * | 2013-03-26 | 2013-06-12 | 上海毅诺生物科技有限公司 | Composite microbial preparation capable of efficiently degrading organic waste and application thereof |
| CN103449680B (en) * | 2013-09-13 | 2015-07-15 | 葛伟伟 | Method for removing pollutants in sewage |
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