CN100441679C - Bacterium composite nutrient - Google Patents
Bacterium composite nutrient Download PDFInfo
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- CN100441679C CN100441679C CNB2006101049716A CN200610104971A CN100441679C CN 100441679 C CN100441679 C CN 100441679C CN B2006101049716 A CNB2006101049716 A CN B2006101049716A CN 200610104971 A CN200610104971 A CN 200610104971A CN 100441679 C CN100441679 C CN 100441679C
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- vitamin
- bacterium
- composite nutrient
- bacterium composite
- sanitary wastewater
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Abstract
The invention discloses a kind of complex bacterium nutritional agent, and characterized in that the components and their wt. % of the prepared bacterium nutritional agent is: corn flour 20-75, wheat bran 10-55, natrium carbonicum 5-10, ammonium carbonate or acid ammonium carbonate 5, kalium nitricum 1-5, ferrous sulfate 0.5-4, carbamide 0.5-5, magnesium sulfate 0.2-1, sodium phosphate 0.5-4, and vitamin as balance, the sum of the above percentages is 100%. The said complex bacterium nutritional agent is mainly used for culturing bacteria in wastewater management system to achieve required bacteria kinds and quantity for the normal running of the wastewater management system.
Description
Technical field
The invention belongs to the applied technical field of bacterium fast culture breeding, be specifically related to a kind of bacterium composite nutrient (a kind of bacterium compound nutritional agents), the bacterium of this bacterium composite nutrient in can fast culture sanitary wastewater treatment system, make it in the short period of time required bacterial species and the quantity of the normal operation of the system that reaches.
Background technology
The principle of sanitary wastewater treatment system is to rely on microorganism, consumes, divides organism and the various nutrient taken off in the waste water, allows the oxygen-consumption in the waste water be reduced to a certain degree, thus the standard that makes the waste water of handling reach emission standard or be recycled.
Bacterium plays leading role as the leading role who handles in the waste water so.The kind of bacterium, quantity will keep within the specific limits, and this at first needs different work posts just as doing an engineering, shares out the work and help one another, and each work post needs certain quantity then, and this just may allow engineering carry out smoothly.So the capacity of bacterium, healthy growth are the prerequisites of the normal operation of sanitary wastewater system.
But the capacity of bacterium, healthy growth need certain condition, and be suitable such as temperature, inorganic salt concentration, organism kinds, VITAMIN, dissolved oxygen concentration etc., this a few cooperate well, just can reach the healthy growth of bacterium, could obtain good water outlet.
But all have nutritive substance deficiency or the inappropriate problem of proportioning in a lot of power plant sanitary wastewater, it is just cumbersome so at first to cultivate and tame bacterium, needs long time, and might cultivate failure.Normally in service, also can be because of same problem, cause bacterium dead gradually, reduced number and final system paralysis.
Bacterium composite nutrient produces in order to solve this situation, it is a kind of compound feedstuff preparation, it is a kind of composite nutrient of sanitary wastewater treatment system fast culture and domestication bacterial flora, it is a kind of product of various nutritions in adjusting and the additional waste water, it should comprise isostatic microbial life activity needed five big material, i.e. carbon source material, nitrogen source, energy substance, somatomedin and inorganic salt.
According to the data-searching that the applicant did, also there is not the report of the related products of bacterium composite nutrient at present.
Summary of the invention
The objective of the invention is to, a kind of bacterium composite nutrient that is used for the sanitary wastewater treatment system is provided.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of bacterium composite nutrient is characterized in that the raw material and the weight percent thereof of this bacteriotrophy agent of making is: Semen Maydis powder: 20%～75%; Wheat bran: 10%～55%; Yellow soda ash: 5%～10%; Volatile salt or bicarbonate of ammonia 5%; Saltpetre: 1%～5%; Ferrous sulfate: 0.5%～4%; Urea: 0.5%～5%; Sal epsom: 0.2%～1%; Sodium phosphate: 0.5%～4%; Surplus is a VITAMIN, and the per-cent sum of above-mentioned raw materials is 100%.
VITAMIN is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
Bacterium composite nutrient of the present invention, it is a kind of new and effective feed formulations, help in the sanitary wastewater treatment system microflora to the adaptation of new environment, the cultivation of debug phase bacterium and domestication process are accelerated, traditional microbial culture domestication process consuming time 2 months is shortened to got final product in 1,2 week.Simultaneously, in service in the processing of normal sanitary wastewater, add the nutrient that bacterium composite nutrient of the present invention can remedy and adjust in the sanitary wastewater on a small quantity and constitute, replenish lack in the sanitary wastewater, be again the necessary nutrition of bacteria live simultaneously.
Bacterium composite nutrient of the present invention brings following technique effect:
1. can fast culture, required bacteria flora in the domestication sanitary wastewater treatment system;
2. can regulate the trophic component of sanitary wastewater, avoid microorganism because of various nutrition components not enough or ratio not to dead, thereby guarantee suitable, the population coupling of bacterial number in the sanitary wastewater system;
3. applied widely, can generally be applicable to the Sewage treatment systems of multiple mechanism;
4. can handle the high, medium and low different sanitary sewage of various COD content;
5. have multiple metabolic type, almost can transform or degradation of sewage in the whole natural organism that exists and the artificial synthetic organism of part;
6. can handle big flow sanitary wastewater current, method is simple.
Embodiment
The present invention is described in further detail for embodiment that provides below in conjunction with the contriver and using method.
Embodiment 1:
Mix the composition bacterium composite nutrient according to following raw materials according and weight percent thereof:
Semen Maydis powder: 42%, wheat bran: 33%, yellow soda ash: 10%, volatile salt: 5%, saltpetre: 3%, ferrous sulfate: 2%, urea: 3%, sal epsom: 0.95%, sodium phosphate: 1%, VITAMIN supplies 100%;
Said vitamin is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
Embodiment 2:
Mix a kind of bacterium composite nutrient of forming according to following raw materials according and weight percent thereof:
Semen Maydis powder: 50%, wheat bran: 25%, yellow soda ash: 10%, volatile salt: 5%, saltpetre: 3%, ferrous sulfate: 2.15%, urea: 2.9%, sal epsom: 0.8%, sodium phosphate: 0.9%, VITAMIN supplies 100%;
Said vitamin is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
Embodiment 3:
Mix a kind of bacterium composite nutrient of forming according to following raw materials according and weight percent thereof:
Semen Maydis powder: 35%, wheat bran: 40%, yellow soda ash: 9%, volatile salt: 5%, saltpetre: 4%, ferrous sulfate: 2.0%, urea: 3%, sal epsom: 0.7%, sodium phosphate: 1.2%, VITAMIN supplies 100%;
Said vitamin is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
Embodiment 4:
Mix a kind of bacterium composite nutrient of forming according to following raw materials according and weight percent thereof:
Semen Maydis powder: 20%, wheat bran: 55%, yellow soda ash: 5%, bicarbonate of ammonia 5%, saltpetre: 4%, ferrous sulfate: 4.0%, urea: 5%, sal epsom: 0.15%, sodium phosphate: 1.8%, VITAMIN supplies 100%;
Said vitamin is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
Embodiment 5:
Mix a kind of bacterium composite nutrient of forming according to following raw materials according and weight percent thereof:
Semen Maydis powder: 75%, wheat bran: 10%, yellow soda ash: 6%, bicarbonate of ammonia 5%, saltpetre: 1%, ferrous sulfate: 0.50%, urea: 0.59%, sal epsom: 0.2%, sodium phosphate: 0.8%, VITAMIN supplies 100%;
Said vitamin is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
The bacterium composite nutrient prescription of the foregoing description can exclusive list, certainly, the present invention is not limited to the foregoing description, because the raw material of formulation selection of the present invention helps the healthy growth of microflora, through repeatedly experimental results show that of applicant, as long as the scope in that technical scheme of the present invention provides all can reach purpose of the present invention.
The using method of the bacterium composite nutrient of the foregoing description is as follows:
1, closed cultivation:
Carrying out microbial culture under the condition of sealing is according to the aeration tank effective volume, 10%～20% the active sludge that adds the aeration tank effective volume, make its 10 minutes settling ratios reach 10%～25%, difference according to the aeration tank effective volume adds commercially available microbial strains simultaneously, with bacterium composite nutrient of the present invention, add-on is aeration tank volumetrical 2%～4%.
With the useful volume is 50M
3The aeration tank be example, in system, add earlier sanitary wastewater to normal operating water level.5 tons～10 tons of disposable then adding active sludge, 1 ton～2 tons of microbial strainss, 1 ton～2 tons of bacterium composite nutrients (the present invention) seal.This culturing process will be kept aeration, and oxygen in water is maintained about 1mg/l～2mg/l.(general water temperature is lower than 15 ℃, and bacterial reproduction, growth are slower, and culturing process is longer under the more suitable situation of envrionment temperature and water temperature; Water temperature is greater than 15 ℃, culturing process is very fast, water temperature is higher than that then bacterial reproduction is very fast more than 20 ℃), a general week is to two time-of-weeks (referring to that water temperature is greater than 15 ℃), and flora is cultivated, the domestication process is promptly accomplished merit (the bacterium number reaches more than the 0.2 hundred million/ml in this moment aeration tank, the zoogloea of active sludge is closely knit, 10 minutes settling ratios of active sludge maintain 10～25% content).
2, inlet type is cultivated continuously:
Inlet type is cultivated and be meant the active sludge training method of carrying out under the situation of continuous water inlet, continuous effluent continuously.(volume is 200M during as the normal operating water level in aeration tank to add microbial strains according to 1～3% of aeration tank effective volume
3, then add 2～6 tons of microbial strainss), then according to 1～3% water inlet of design discharge, add the bacteriotrophy material of aeration tank volume 5 ‰ simultaneously every day, carry out aeration, keeping oxygen in water is about 0.5～2mg/l.When the bacterium number maintains 3,500 ten thousand/ml when above, flora is cultivated, the domestication process is promptly accomplished merit.
No matter be that continous way is cultivated or closed cultivation, maturation along with active sludge, by microscopy can observe protozoon by rudimentary to senior evolution, the zoogloea of active sludge by loose become closely knit, simultaneously daily in service, because the chemical examination of BOD5 is wasted time and energy, so, can judge whether system's operation is normal by microscopy, and can judge the reason that causes problem in conjunction with operating parameter, and take appropriate measures according to the protozoic form that occurs.
Just can advance sanitary wastewater by the flow of sanitary wastewater Treatment Design then, keep normal return sludge ratio, make 10 minutes settling ratios of active sludge of aeration tank maintain 10%～25% content, dissolved oxygen maintains about 1mg/l～2mg/l.And according to the BOD in the water-in and water-out of sanitary wastewater treatment process requirement monitoring sanitary wastewater
5, indexs such as SS, COD, ammonium nitrogen, the zoogloea through the active sludge of this fast culture and domestication can reach required bacterial species and the quantity of the normal operation of sanitary wastewater treatment system, effluent index generally can reach design requirements.
For the sanitary wastewater treatment system of bringing normally into operation, in general, should be according to BOD in the water of sanitary wastewater
5Amount, whether decision adds bacterium composite nutrient.For BOD
5Content is lower than the sanitary wastewater of 60mg/l, should carry out adding of bacterium composite nutrient, be as nutritional supplementation and maintenance service like this bacterium composite nutrient, the intermittent adding, to keep bacterial population and quantity in suitable scope, dosing method is for once a day, and the amount that adds bacterium composite nutrient is 0.05 ‰～0.1 ‰ comparatively suitable for life influent waste water amount, the normal operation of the Waste Water Treatment of can supporting the family.
How tame bacterium composite nutrient of the present invention is on probation in power plant, 2 * 600MW unit as generating limited liability company of Datang Hancheng second power plant, 4 * 330MW unit of China electric Pucheng generating limited liability company, 2 * 300MW unit in second power station, Hu County, 2 * 600MW unit of first Yangshan company limited of China Resources Power has all been received good effect.
In a word, bacterium composite nutrient of the present invention can reach required bacterial species and the quantity of the normal operation of sanitary wastewater treatment system in the short period of time, guarantees that effluent index reaches design requirements.
Claims (1)
1. bacterium composite nutrient is characterized in that the raw material and the weight percent thereof of this bacterium composite nutrient of making is: Semen Maydis powder: 20%～75%; Wheat bran: 10%～55%; Yellow soda ash: 5%～10%; Volatile salt or bicarbonate of ammonia 5%; Saltpetre: 1%～5%; Ferrous sulfate: 0.5%～4%; Urea: 0.5%～5%; Sal epsom: 0.2%～1%; Sodium phosphate: 0.5%～4%; Surplus is a VITAMIN, and the per-cent sum of above-mentioned raw materials is 100%, and described VITAMIN is made up of VITMAIN B1, Wei ShengsuB2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, the vitamin H of equivalent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101049716A CN100441679C (en) | 2006-11-24 | 2006-11-24 | Bacterium composite nutrient |
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| CNB2006101049716A CN100441679C (en) | 2006-11-24 | 2006-11-24 | Bacterium composite nutrient |
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| CN1966672A CN1966672A (en) | 2007-05-23 |
| CN100441679C true CN100441679C (en) | 2008-12-10 |
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| CNB2006101049716A Expired - Fee Related CN100441679C (en) | 2006-11-24 | 2006-11-24 | Bacterium composite nutrient |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781018B (en) * | 2010-01-26 | 2012-02-01 | 长春工程学院 | Furfural wastewater aerobic treatment nutrient |
| CN104386829B (en) * | 2014-11-27 | 2016-01-20 | 新疆德蓝股份有限公司 | A kind of microbial nutrition synergistic agent being applicable to treatment of dyeing wastewater |
| CN106315824A (en) * | 2015-06-16 | 2017-01-11 | 杭州秀川科技有限公司 | Auxiliary sewage treatment agent for wastewater produced by steroid hormone pharmaceutical industry |
| CN105010817A (en) * | 2015-06-25 | 2015-11-04 | 韶关朗润环保科技有限公司 | Special microbial cultivation feed for domestic sewage and production technology of special microbial cultivation feed |
| CN111995067A (en) * | 2020-08-27 | 2020-11-27 | 国网陕西省电力公司电力科学研究院 | Transformer substation sewage treatment microorganism composite nutrition capsule and preparation method thereof |
Citations (4)
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| JP2002301494A (en) * | 2001-04-09 | 2002-10-15 | Daicel Chem Ind Ltd | Activated sludge and wastewater disposal method |
| CN1557957A (en) * | 2004-02-12 | 2004-12-29 | 窦德献 | Preparation method for improving output of gentamycin |
| CN1594551A (en) * | 2004-06-29 | 2005-03-16 | 南开大学 | Micro-ecological bacteria preparation for rebuilding aquaculture water environment and method for preparing same |
| CN1690190A (en) * | 2004-04-21 | 2005-11-02 | 中国科学院广州地球化学研究所 | Process for preparing immobilization compound microorganism preparation for controlling secondary pollution of river channel bed mud |
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2006
- 2006-11-24 CN CNB2006101049716A patent/CN100441679C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002301494A (en) * | 2001-04-09 | 2002-10-15 | Daicel Chem Ind Ltd | Activated sludge and wastewater disposal method |
| CN1557957A (en) * | 2004-02-12 | 2004-12-29 | 窦德献 | Preparation method for improving output of gentamycin |
| CN1690190A (en) * | 2004-04-21 | 2005-11-02 | 中国科学院广州地球化学研究所 | Process for preparing immobilization compound microorganism preparation for controlling secondary pollution of river channel bed mud |
| CN1594551A (en) * | 2004-06-29 | 2005-03-16 | 南开大学 | Micro-ecological bacteria preparation for rebuilding aquaculture water environment and method for preparing same |
Non-Patent Citations (4)
| Title |
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| 微生物絮凝剂产生菌的培养基及其净水性能和成分的研究. 龙文芳.湖南大学硕士学位论文. 2005 |
| 微生物絮凝剂产生菌的培养基及其净水性能和成分的研究. 龙文芳.湖南大学硕士学位论文. 2005 * |
| 营养要素对细菌生长的影响. 崔俊华等.河北建筑科技学院学报，第20卷第1期. 2003 |
| 营养要素对细菌生长的影响. 崔俊华等.河北建筑科技学院学报，第20卷第1期. 2003 * |
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