CN104445642B - A kind of municipal sewage treatment composite and preparation method and application - Google Patents
A kind of municipal sewage treatment composite and preparation method and application Download PDFInfo
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- CN104445642B CN104445642B CN201410744995.2A CN201410744995A CN104445642B CN 104445642 B CN104445642 B CN 104445642B CN 201410744995 A CN201410744995 A CN 201410744995A CN 104445642 B CN104445642 B CN 104445642B
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Abstract
The invention discloses a kind of municipal sewage treatment composite and preparation method and application, rice hulls, kieselguhr, aluminium polychlorid, enzymatic microorganism are made by constant weight percentage ratio.The steps include: A, by rice hulls, enzymatic microorganism mix homogeneously, natural packing fermentation two weeks, it is thus achieved that mixed material；Fermentation temperature is 65-70 DEG C；Mixed material is pressed: water: the weight ratio mixing of brown sugar=1:0.3:0.01 when B, use, standby after fermenting 110-130 minute, process sewage water temperature lower than 10 DEG C；C, by fermentation after standby mixed material mix homogeneously by weight percentage with kieselguhr, aluminium polychlorid, it is thus achieved that composite.Further relate to composite application in municipal sewage treatment.Synergism by absorption, flocculation and bioconversion, solve existing urban sewage treatment system and can not effectively remove the soluble pollutants problems such as the Organic substance of some difficult degradations, phosphorus, nitrogen, ensure that water outlet reaches to be better than country's town sewage discharge standard one-level A standard.
Description
Technical field
The present invention relates to field of municipal sewage treatment, be specifically related to a kind of municipal sewage treatment composite, the preparation method also relating to a kind of municipal sewage treatment composite, further relate to the purposes of a kind of municipal sewage treatment composite.
Background technology
In current domestic built, the municipal sewage plant that runs, adopting and process technique the most widely, primary reinforcement processes generally selects materialization intensive treatment method, AB method FEOL, the hydrolysis technology such as aerobic method FEOL and high load capacity activated sludge process；The two stage treatment technique scale according to municipal sewage plant, selects activated sludge process, oxidation ditch process, SBR method, hydrolysis aerobic method, AB method and biological filter process；Secondary reinforcement processes technique and then selects A/O method, A/A/O method.Intensified denitrification and dephosphorization effect while that purpose being to remove carbon source pollutant, but these techniques are in actual applications, impact due to the factors such as fluctuation and operating cost by influent quality, still can not effectively remove nitrogen in sewage, phosphorus, pathogenic microorganism, heavy metal and organic pollution etc., especially to soluble pollutants such as the Organic substance of some difficult degradations, phosphorus, nitrogen.Even if water outlet can stably reach country's discharge water secondary standard, for storage lake, river and reservoir, water inlet is still bad five class water quality.As can be seen here, along with propelling and the National Pollutant of urbanization reduce discharging the raising day by day required, the raising of the discharge standard of sewage treatment plant also necessarily becomes trend.In existing municipal sewage treatment A/O technique, add new city sewage disposal composite, synergism by absorption, flocculation and bioconversion, solve existing urban sewage treatment system and can not effectively remove the soluble pollutants problems such as the Organic substance of some difficult degradations, phosphorus, nitrogen, ensure that water outlet reaches to be better than country's town sewage discharge standard one-level A standard.
Summary of the invention
In order to solve above technical problem, it is an object of the invention to there are provided a kind of municipal sewage treatment composite, the rice hulls fermented and kieselguhr have the pollutant such as efficient adsorptivity, energy active adsorption dissolved organic matter, phosphorus, nitrogen；Aluminium polychlorid has efficient flocculating effect, can effectively flocculate, precipitate the pollutant such as SS, Organic substance, phosphorus, nitrogen；The microbial bacterial agent that composite adds can effectively decompose, convert nitrogen.The removal efficiency of its SS, COD, total nitrogen, total phosphorus and ammonia nitrogen can respectively reach 94.3%, 92.8%, 92.9%, 96.7% and 96.2%.
Another object of the present invention is the preparation method that there are provided a kind of municipal sewage treatment composite, easy to implement the method, easy and simple to handle, the rice hulls fermented contains the nutrient substance such as polysaccharide, crude fat and crude protein, necessary nutritional labeling can be provided for microorganism, it is easy to the attachment of microorganism, there is the stronger effect synchronizing de-carbon, denitrogenation.Aluminium polychlorid has efficient flocculating effect, can effectively flocculate, precipitate the pollutant such as SS, Organic substance, phosphorus, nitrogen；The microbial bacterial agent that composite adds can effectively decompose, convert nitrogen.
A further object of the invention is the application that there are provided a kind of municipal sewage treatment composite in municipal sewage treatment, solve prior art and can not effectively remove the problems such as nitrogen in sewage, phosphorus, pathogenic microorganism, heavy metal and organic pollution, ensure that water outlet has reached to be better than country's town sewage discharge standard one-level A standard.
A kind of municipal sewage treatment composite, it is made up of the percentage by weight of following raw material:
Described enzymatic microorganism: include bacillus subtilis, yeast, actinomycetes.
Described bacillus subtilis living bacteria count is 2,000,000,000/gram；
Described yeast living bacteria count is 3,500,000/gram；
Described actinomycetes living bacteria count is 3,000,000/gram.
Described enzymatic microorganism, bacillus subtilis, yeast, actinomycetes do not account for the percentage by weight of above-mentioned raw materials.
A kind of municipal sewage treatment composite, it is made (preferable range) by the percentage by weight of following raw material:
A kind of municipal sewage treatment composite, it is made (good scope) by the percentage by weight of following raw material:
A kind of municipal sewage treatment composite, it is made (better scope) by the percentage by weight of following raw material:
A kind of municipal sewage treatment composite, it is made (optimum range) by the percentage by weight of following raw material:
A kind of municipal sewage treatment composite, it is made (optimum) by the percentage by weight of following raw material:
The preparation method of a kind of municipal sewage treatment composite, the steps include:
A, by rice hulls, enzymatic microorganism mix homogeneously, natural packing ferments two weeks, it is thus achieved that mixed material；Fermentation temperature scope is 65-70 DEG C；Described enzymatic microorganism includes bacillus subtilis, yeast, actinomycetes；Bacillus subtilis living bacteria count is 2,000,000,000/gram, yeast living bacteria count is 3,500,000/gram, actinomycetes living bacteria count is 3,000,000/gram.
Mixed material is pressed: water: the weight ratio mixing of brown sugar=1:0.3:0.01 when B, use, standby after fermenting 110-130 minute.If processing sewage water temperature lower than 10 DEG C；
C, by fermentation after standby mixed material mix homogeneously by weight percentage with kieselguhr, aluminium polychlorid, it is thus achieved that composite.
The application in municipal sewage treatment of a kind of municipal sewage treatment composite, the steps include:
(1) mixed material is pressed when using: water: the weight ratio mixing of brown sugar=1:0.3:0.01, standby after fermenting 2 hours.If processing sewage water temperature lower than 10 DEG C, this step can be omitted.
(2) kieselguhr, aluminium polychlorid mix homogeneously are added, it is thus achieved that composite.
(3) this composite is thrown in municipal sewage treatment A/O system O section, begin to use.Addition is that sewage per ton adds 0.2-0.45Kg.
After employing municipal sewage treatment composite of the present invention, municipal sewage plant effluent reaches to be better than country's town sewage discharge standard one-level A standard.(according to the method for GB18918-2002 " urban wastewater treatment firm pollutant emission standard " and standard detection).
The rice hulls fermented that the present invention uses contains the nutrient substance such as polysaccharide, crude fat and crude protein, it is possible to provide necessary nutritional labeling for microorganism, it is simple to the attachment of microorganism, has the stronger effect synchronizing de-carbon, denitrogenation.Aluminium polychlorid has efficient flocculating effect, can effectively flocculate, precipitate the pollutant such as SS, Organic substance, phosphorus, nitrogen；
The bacillus subtilis that the present invention uses by larger molecular organics substantial amounts of in sewage and harmful gas (ammonia, hydrogen sulfide etc.), can be decomposed into little molecule (polypeptide, higher fatty acids etc.).Then, then it is decomposed into more micromolecular Organic substance (monosaccharide, disaccharide, lower fatty acid etc.), is finally decomposed to carbon dioxide, nitrate and sulfate etc., effectively reduces COD, the BOD in water, make the amino nitrogen (NH in water body3-N), nitroso-group nitrogen (NO2-N) and sulfide concentration reduction.Actinomycetes energy decomposing protein, cellulose and Organic substance, the taste offseting the body that dewaters also has certain effect.Yeast can effectively decompose gas chromatography and oils and fats etc., can remove COD and BOD in water so that water quality improves.Also having synergism between each strain, the monosaccharide of bacillus subtilis and the generation of actinomycetes degradation of organic substances and disaccharide etc. can be supplied to yeast and utilize, and yeast can play its decomposition in sewage, makes up bacillus subtilis and actinomycetic deficiency.
The present invention compared with prior art, has the following advantages and effect:
1, the rice hulls fermented and kieselguhr have the pollutant such as efficient adsorptivity, energy active adsorption dissolved organic matter, phosphorus, nitrogen；Aluminium polychlorid has efficient flocculating effect, can effectively flocculate, precipitate the pollutant such as SS, Organic substance, phosphorus, nitrogen；The microbial bacterial agent that composite adds can effectively decompose, convert nitrogen.The removal efficiency of its SS, COD, total nitrogen, total phosphorus and ammonia nitrogen can respectively reach 94.3%, 92.8%, 92.9%, 96.7 and 96.2%.
2, the preparation method of a kind of municipal sewage treatment composite of the present invention is easy, easy and simple to handle.The rice hulls fermented contains the nutrient substance such as polysaccharide, crude fat and crude protein, it is possible to provide necessary nutritional labeling for microorganism, it is simple to the attachment of microorganism, has the stronger effect synchronizing de-carbon, denitrogenation.
This composite is thrown in municipal sewage treatment A/O system O section by the present invention, synergism by absorption, flocculation and bioconversion, solve existing urban sewage treatment system and can not effectively remove the soluble pollutants problems such as the Organic substance of some difficult degradations, phosphorus, nitrogen, ensure that water outlet reaches to be better than country's town sewage discharge standard one-level A standard.
Detailed description of the invention
Embodiment 1:
A kind of municipal sewage treatment composite, it is made up of the percentage by weight of following raw material:
The preparation method of a kind of municipal sewage treatment composite, the steps include:
A, by rice hulls, enzymatic microorganism mix homogeneously, two weeks (14 days) of natural packing fermentation, it is thus achieved that mixed material；Fermentation temperature scope is 65 or 67 or 69 or 70 DEG C；Described enzymatic microorganism includes bacillus subtilis, yeast, actinomycetes；Bacillus subtilis living bacteria count is 2,000,000,000/gram, yeast living bacteria count is 3,500,000/gram, actinomycetes living bacteria count is 3,000,000/gram.
Mixed material is pressed: water: the weight ratio mixing of brown sugar=1:0.3:0.01 when B, use, standby after fermenting 110 or 115 or 119 or 123 or 125 or 128 or 130 minutes.Process sewage water temperature lower than 10 DEG C；
C, by fermentation after standby mixed material mix homogeneously by weight percentage with kieselguhr, aluminium polychlorid, it is thus achieved that composite.
Described kieselguhr, aluminium polychlorid are all purchased in market.
A kind of municipal sewage treatment composite, it is made up of the raw material of following percentage by weight:
| Raw material and embodiment | 2 | 3 | 4 | 5 | 6 |
| Rice hulls | 64% | 67% | 66% | 59% | 65% |
| Kieselguhr | 23% | 20% | 24% | 28% | 20% 4--> |
| Aluminium polychlorid | 7% | 6% | 6.5% | 7.4% | 8.5% |
| Enzymatic microorganism | 6% | 7% | 3.5% | 5.6% | 6.5% |
| Amount to | 100 | 100 | 100 | 100 | 100 |
Its preparation process is identical with embodiment 1.
Embodiment 7:
The application in municipal sewage treatment of a kind of municipal sewage treatment composite, the steps include:
(1) mixed material is pressed when using: water: the weight ratio mixing of brown sugar=1:0.3:0.01, standby after fermenting 2 hours.If processing sewage water temperature lower than 10 DEG C, this step can be omitted.
(2) mixed material is mixed homogeneously by weight percentage with kieselguhr, aluminium polychlorid, it is thus achieved that composite.
(3) this composite is thrown in municipal sewage treatment A/O system O section, begin to use.Addition is that sewage per ton adds 0.2-0.45Kg.
After employing municipal sewage treatment composite of the present invention, municipal sewage plant effluent reaches to be better than country's town sewage discharge standard one-level A standard.(according to the method for GB18918-2002 " urban wastewater treatment firm pollutant emission standard " and standard detection).
Claims (7)
1. a preparation method for municipal sewage treatment composite, the steps include:
A, by rice hulls, enzymatic microorganism mix homogeneously, natural packing ferments two weeks, it is thus achieved that mixed material；Fermentation temperature scope is 65-70 DEG C；
Mixed material is pressed: water: the weight ratio mixing of brown sugar=1:0.3:0.01 when B, use, standby after fermenting 110-130 minute, process sewage water temperature lower than 10 DEG C；
C, by fermentation after standby mixed material mix homogeneously by weight percentage with kieselguhr, aluminium polychlorid, it is thus achieved that composite；
In rice hulls, kieselguhr, aluminium polychlorid and enzymatic microorganism sum, the mass percent of rice hulls, kieselguhr, aluminium polychlorid and enzymatic microorganism consumption is respectively as follows:
Rice hulls 56-75%
Kieselguhr 13-30%
Aluminium polychlorid 5.5-9.5%
Enzymatic microorganism 3.5-7.5%；
Described enzymatic microorganism includes bacillus subtilis, yeast, actinomycetes；
Described bacillus subtilis living bacteria count is 2,000,000,000/gram；
Described yeast living bacteria count is 3,500,000/gram；
Described actinomycetes living bacteria count is 3,000,000/gram.
2. the preparation method of a kind of municipal sewage treatment composite according to claim 1, it is characterised in that:
Rice hulls 64%
Kieselguhr 23%
Aluminium polychlorid 7%
Enzymatic microorganism 6%.
3. the preparation method of a kind of municipal sewage treatment composite according to claim 1, it is characterised in that:
Rice hulls 67%
Kieselguhr 20%
Aluminium polychlorid 6%
Enzymatic microorganism 7%.
4. the preparation method of a kind of municipal sewage treatment composite according to claim 1, it is characterised in that:
Rice hulls 66%
Kieselguhr 24%
Aluminium polychlorid 6.5%
Enzymatic microorganism 3.5%.
5. the preparation method of a kind of municipal sewage treatment composite according to claim 1, it is characterised in that:
Rice hulls 59%
Kieselguhr 28%
Aluminium polychlorid 7.4%
Enzymatic microorganism 5.6%.
6. the preparation method of a kind of municipal sewage treatment composite according to claim 1, it is characterised in that:
Rice hulls 65%
Kieselguhr 20%
Aluminium polychlorid 8.5%
Enzymatic microorganism 6.5%.
7. the municipal sewage treatment composite that prepared by the preparation method described in claim 1 application in municipal sewage treatment, throws in composite in municipal sewage treatment A/O system O section, begins to use, and addition is that sewage per ton adds 0.2-0.45kg.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105060502B (en) * | 2015-08-05 | 2017-04-12 | 江苏淳盛农业科技发展有限公司 | Domestic sewage purifying agent and preparation method thereof |
| CN106277366B (en) * | 2016-09-29 | 2019-08-06 | 中国科学院水生生物研究所 | A kind of pig-breeding wastewater treatment microbial microbial inoculum and preparation method and application |
| CN107285566B (en) * | 2017-07-18 | 2020-08-28 | 广东东日环保股份有限公司 | Urban domestic sewage treatment method |
| CN108298698A (en) * | 2018-03-01 | 2018-07-20 | 南京誉弘腾环保科技有限公司 | A kind of microbial water-purifying agent for river regulation |
| CN108503050B (en) * | 2018-04-20 | 2021-09-24 | 侯文燕 | Method for preparing boiler water regulator by microbial fermentation method |
| CN108650918A (en) * | 2018-04-28 | 2018-10-16 | 内蒙古济世源环保生物科技有限公司 | The method for improveing soil using composite enzyme |
| CN109319948B (en) * | 2018-11-28 | 2021-06-15 | 福州宇澄环保工程设计有限公司 | Preparation method of nano biological water purifying agent |
| CN113912143A (en) * | 2021-07-27 | 2022-01-11 | 大庆渤基科技开发有限公司 | Enzyme water clarifier and application thereof |
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| CN1887748A (en) * | 2006-01-24 | 2007-01-03 | 沈阳大学 | Efficient ecological sewage treating promoter and its prepn process |
| CN103693754A (en) * | 2013-12-20 | 2014-04-02 | 大连赛姆生物工程技术有限公司 | Sea cucumber cultivation water quality repair agent capable of effectively reducing water turbidity, preparation method and use thereof |
| CN103922489A (en) * | 2014-05-09 | 2014-07-16 | 四川清和科技有限公司 | Microorganism composite flocculant coagulation bacterium application method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1887748A (en) * | 2006-01-24 | 2007-01-03 | 沈阳大学 | Efficient ecological sewage treating promoter and its prepn process |
| CN103693754A (en) * | 2013-12-20 | 2014-04-02 | 大连赛姆生物工程技术有限公司 | Sea cucumber cultivation water quality repair agent capable of effectively reducing water turbidity, preparation method and use thereof |
| CN103922489A (en) * | 2014-05-09 | 2014-07-16 | 四川清和科技有限公司 | Microorganism composite flocculant coagulation bacterium application method |
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