CN109052822A - A kind of microbial inoculum treatment process of town sewage - Google Patents
A kind of microbial inoculum treatment process of town sewage Download PDFInfo
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- CN109052822A CN109052822A CN201810937602.8A CN201810937602A CN109052822A CN 109052822 A CN109052822 A CN 109052822A CN 201810937602 A CN201810937602 A CN 201810937602A CN 109052822 A CN109052822 A CN 109052822A
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- anaerobic
- sewage
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- bacteria
- microbial inoculum
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- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 239000002068 microbial inoculum Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 241000894006 Bacteria Species 0.000 claims abstract description 59
- 238000005189 flocculation Methods 0.000 claims abstract description 50
- 230000016615 flocculation Effects 0.000 claims abstract description 50
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- 239000001963 growth medium Substances 0.000 claims abstract description 37
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- 238000005276 aerator Methods 0.000 claims description 7
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 7
- 238000000703 high-speed centrifugation Methods 0.000 claims description 7
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
- C12N1/16—Yeasts; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention discloses a kind of microbial inoculum treatment process of town sewage, device includes: aerobic seeding tank, anaerobic species tank, grid, conditioning tank, flocculation basin, anaerobic reation pool, aerobic aeration biofilter, methane recovery device.Operating procedure includes: the configuration of culture medium；The culture of anaerobic bacteria；The culture of aerobic bacteria；The culture of flocculated bacteria；Strain expands, and strengthens, domestication culture；Sewage adjusts pH through grid, in conditioning tank；Into flocculation basin, flocculation microbial inoculum is added；Sewage enters anaerobic reation pool and stops 8~10h, and methane is recycled in stirring；Sewage flows into aerobic aeration biofilter, by three layers of profiled filament nylon filtering cloth；Gravity secondary filter, ultraviolet lamp disinfection discharge after detection, then return to anaerobic reation pool if it does not meet the standards.Good sewage processing effect, no added chemical reagent avoid introducing secondary pollution；Ventilatory capacity, amount of agitation, drainage flow amount etc. are low, and foul smell and excess sludge discharge are few, realize energy-saving and emission-reduction.
Description
Technical field
The present invention relates to the microbial inoculum treatment process of sewage treatment process, in particular to a kind of town sewage.
Background technique
Trade effluent or municipal wastewater major pollutants are that oxygen consumption pollutant is (carbohydrate, protein, grease, wooden
The organic substances such as element), toxic pollutant (inorganic anion, organic agricultural chemicals etc.), inorganic pollution (acid, alkali, salt etc.) and cause of disease
Body pollution object.Traditional sewage water treatment method is stirring, aerating oxidation processing, without gas Anaerobic Treatment and precipitating, oxidation
Processing and Anaerobic Treatment are substantially exactly the process of microbial degradation water pollutant, are usually all natural strain or manually add
Add a small amount of strain, also needs to add part chemical reagent according to pollutant kind, precipitation process mostly uses nature to stand or add
Flocculant precipitating.The inefficiency of strain processing sewage without screening and optimizing needs fiting chemical reagent or physical method, increases
The possibility for having added secondary pollution also improves time and the economic cost of waste water control.In addition, sewage disposal device is for sewage
Treatment effect no less important, most sewage disposal device capacity is small, running efficiency is low, pollutant process is not thorough, easily produces
The foul smell and sludge of raw secondary pollution.Therefore, the dominant bacteria of sewage treatment is screened, matched advanced sewage treatment is developed and sets
It is standby, it will help the ability and efficiency for improving existing sewage treatment solve the problems, such as sewage treatment.
A kind of Chinese patent (CN201810012965.0) wastewater treatment equipment uses anaerobic species and facultative aerobe kind or good
The flocculation that the mixture of oxygen strain can achieve good wastewater treatment efficiency, but use as microbial water-purifying agent processing sewage
Agent is inorganic flocculating agent and organic polymer coargulator, may cause secondary pollution to environment.Chinese patent
(CN201611182630.0) a kind of technique for treating industrial wastewater handles waste water using mix bacterium agent, but due to not carrying out to strain
The ability of domestication, strain processing waste water lowly easily can make the waste water given off that processing standard be not achieved.
Summary of the invention
In view of the deficiencies of the prior art, a kind of microbial inoculum treatment process of town sewage, wastewater treatment efficiency were provided
Good, no added chemical reagent avoids introducing secondary pollution；The recycling of the gases such as methane carries out the utilization of resources；Ventilatory capacity, amount of agitation,
Drainage flow amount etc. is low, and foul smell and excess sludge discharge are few, realizes energy-saving and emission-reduction.
Technical scheme is as follows:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.3~0.8%, glucose 0.3~0.5%, potassium dihydrogen phosphate 0.3~0.8%, remaining be water, adjust pH value be 7.0~7.5, warp
110~130 DEG C of 20~25min of high-temperature sterilization are crossed, culture medium A, B, C are obtained；It is inoculated with anaerobic species by a certain percentage in desinfection chamber
To culture medium A, it is inoculated in aerobic bacteria by a certain percentage in desinfection chamber to culture medium B, 24~32 DEG C of cultivation temperature, incubation time 24
~50 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
Sludge 20~30%, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, the multi-vitamins 0.5~1%, Portugal of acquirement
Grape sodium saccharate 1~2%, glycerin monostearate 1~2%, n,N-dimethylacetamide 1~2%, waste water, then add cultivate respectively
Aerobic strain and anaerobic species；The waste water of pond body product 40~45%, stirring are first put into strain pond；Pond body product 6 is added daily
~8% waste water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launched together into anaerobism
In reaction tank；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 24~32 DEG C of cultivation temperature, incubation time 24~50 hours；Expand again
Big hot housing expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate
0.5%, sodium chloride 0.5%, sodium gluconate 1~2%, glycerin monostearate 1~2%, n,N-dimethylacetamide 1~2% are adjusted
Saving pH value is 7.0~7.5；Shaking table is opened, cultivation temperature is 25~32 DEG C, and incubation time is 40~50h；It will be enlarged by hot housing
Strain cultures elder generation high speed centrifugation afterwards obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 6~7.5；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 2~5%, stirring is added, and 7~9h of hydraulic retention removal is hanged
Floating object and some of the contaminants；Flocculation basin side wall installs aerator, and middle part is equipped with blender, and bottom is and water (flow) direction phase
The anti-gradient, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and 8~10h of hydraulic retention is stirred, and good bacteria can consume extra oxygen point
Pollutant is solved, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, the methane recovery generated during this is extremely
Anaerobic reation pool connects methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards.
Sewage disposal device include: aerobic seeding tank, anaerobic species tank, grid, conditioning tank, flocculation basin, anaerobic reation pool,
Aerobic aeration biofilter, methane recovery device.
As a further explanation of the present invention, anaerobic species be methane phase bacillus, methane phase coccus, Bacillus acidi lactici group
It closes.
As a further explanation of the present invention, methane phase bacillus, methane phase coccus, Bacillus acidi lactici inoculative proportion are 2:2:3.
As a further explanation of the present invention, aerobic strain is polyP bacteria, hydrolysis acidification bacterium, three kinds or more in saccharomycete
Combination.
As a further explanation of the present invention, polyP bacteria, hydrolysis acidification bacterium, saccharomycete inoculative proportion be 3:2:5.
As a further explanation of the present invention, polyP bacteria is Acinetobacter calcoaceticus, Acinetobacter junii, denitrification phosphorus-collecting
One or both of bacterium, deep red red ring bacterium.
As a further explanation of the present invention, hydrolysis acidification bacterium is Bacillus cercus, starch Clostridium, succinic acid are intended
One or both of bacillus.
As a further explanation of the present invention, the stirring rate in step (2) is 400rpm~600rpm；In step (3)
Shaking table rate is 100~150r/min；Stirring rate is 200rpm~400rpm in step (5)；Stirring rate is in step (6)
300rpm~500rpm.
Anaerobic bacteria aerobic bacteria coexists, and can go suspended solid (SS) in water removal, COD (COD), biochemistry aerobic simultaneously
Measure (BOD), total organic carbon (TOC), total nitrogen (TN), total phosphorus (TP) etc.；
Strain is tamed and is strengthened, its digestion power is greatly enhanced, reaches the ability for handling this sewage；In biosystem
These enzymes for depending in biosystem of reaction accelerate, and strain can generate oxidoreducing enzyme, hydrolase in contaminating action object,
The enzymes such as deamination, decarboxylation, phosphorylation and dephosphorylation.Therefore this process adds sodium gluconate, glycerin monostearate, N, N-
Dimethyl acetamide can not only accelerate the growth of strain as enzyme-producing agent, and establish during its growth shaping
Rise stronger enzymatic productivity and digestion power, promote waste water treatment system in microorganism metabolism, promote microorganism compared with
It is grown to rapid, high volume in difference ring border, forms good zoogloea, to improve the efficiency of microbial degradation organic pollutant, changed
Kind water treatment effect.Multiple-microorganism can also be kept more effective by extending food chain and improving the cycle efficieny of food chain
Ground collaboration plays a role, more thoroughly degradation of contaminant, and improves system resistance to overload shock ability.Add sodium gluconate, list
The vigor of ectoenzyme can be improved in tristerin, n,N-dimethylacetamide, improves the permeability of cell, make more enzymes from
Enter in fermentation liquid through cell membrane into the cell, is conducive to the feedback regulation for breaking desmoenzyme synthesis in this way, improves fermentation liquid
The yield of middle enzyme.And the component that uses of the present invention be it is environment-protecting and non-poisonous, strain will not be generated and poison and environment will not be caused
Secondary pollution, and certain nutrition and energy can be provided to strain.
Flocculated bacteria can produce microbial flocculant, settlement of sewage efficiency not only can be improved, but also without adding chemical flocculation
Agent avoids introducing secondary pollution, and the present invention selects rose pink mold cyst bacterium, actinoplanes philippinensis, these strains not only have
Flocculation can be with the nitrogen of decomposing pollutant, especially town sewage, phosphorus, and itself will not cause to endanger to water body, organism
Evil, the effect being co-administered according to a certain percentage is more preferable than the effect of single administration, since the flagellum of actinomyces is long, coils,
Therefore pseudomonad and sporangiocyst bacterium can fall on mycelia, be formed with the hollow hypha body of hole, more with the contact area of pollutant
Greatly；Strain selected by the present invention can also resist certain viruses and bacterium, play certain disinfection.
Anaerobe fermentation can generate the fuel gas such as methane, can carry out the utilization of resources by recycling；
Being adsorbed in matrix for microbial inoculum will form biomembrane, with the growth and increment of microorganism, micro organism quantity, type and life
Object film thickness increases, and can form the protozoic food chain of organic pollutant-microorganism-, promotes the degradation of organic matter；Benefit
Using the nylon cloth of cross, trilobal, five-pointed star weave has biggish coefficient of friction, therefore fabric harsh, thickness as filter membrane
Real, flannelette can keep plentiful, erect, and have preferable mechanical bulkiness, and be used for a long time it will not hook silk and jump silk and
Broken hole long service life.Its groove is highly resistant to the water flow punching of horizontal direction (disengaging water flow) and vertical direction (aeration generates)
Brush makes strain be easy to parasitic, breeding at film forming initial stage,；The corner angle side of fiber has better dissection to bubble, improves molten
Coefficient of oxygen utilization is solved, reduces and exposes oxygen power consumption.
This sewage disposal device and sewage treatment process can reduce ventilatory capacity, amount of agitation, drainage flow amount etc., reduce
Foul smell and excess sludge discharge, realize energy-saving and emission-reduction.
Specific embodiment
Embodiment 1:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.4%, glucose 0.5%, potassium dihydrogen phosphate 0.6%, remaining be water, adjust pH value be 7, by 120 DEG C of high-temperature sterilization 21min, obtain
To culture medium A, B, C；It is inoculated with methane phase bacillus, methane phase coccus, Bacillus acidi lactici to culture medium A by 2:2:3 in desinfection chamber, in nothing
Bacterium room is inoculated with Acinetobacter junii, starch Clostridium, saccharomycete to culture medium B by 3:2:5, and 30 DEG C of cultivation temperature, when culture
Between 45 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
Sludge 30%, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, the multi-vitamins 0.5%, sodium gluconate of acquirement
2%, glycerin monostearate 1%, n,N-dimethylacetamide 2%, waste water, then cultured aerobic strain and anaerobism are added respectively
Strain；The waste water of pond body product 40%, stirring, stirring rate 450rpm are first put into strain pond；Pond body product 6% is added daily
Waste water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launched together into anaerobic reation pool
In；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 26 DEG C of cultivation temperature, incubation time 50 hours；Expand reinforcing training again
It supports, expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate 0.5%, chlorination
Sodium 0.5%, sodium gluconate 2%, glycerin monostearate 1%, n,N-dimethylacetamide 1%, adjusting pH value is 7；Shaking table is opened,
Shaking table rate is 100r/min, and cultivation temperature is 30 DEG C, incubation time 42h；Strain cultures after will be enlarged by hot housing
First high speed centrifugation obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 6；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 3%, stirring, stirring rate 300rpm is added；Waterpower is stopped
7h is stayed to remove oil removal and some of the contaminants；Flocculation basin side wall install aerator, middle part be equipped with blender, bottom be with
The opposite gradient of water (flow) direction, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and hydraulic retention 8h is stirred, and stirring rate 400rpm, good bacteria can disappear
Extra oxygen decomposing pollutant is consumed, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, generation during this
Methane recovery to anaerobic reation pool connect methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards.
Embodiment 2:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.7%, glucose 0.3%, potassium dihydrogen phosphate 0.8%, remaining be water, adjust pH value be 7, by 125 DEG C of high-temperature sterilization 23min, obtain
To culture medium A, B, C；It is inoculated with methane phase bacillus, methane phase coccus, Bacillus acidi lactici to culture medium A by 2:2:3 in desinfection chamber, in nothing
Bacterium room is inoculated with Acinetobacter calcoaceticus, Acinetobacter junii, succinic acid bacteroid, saccharomycete to culture medium B, training by 1:2:2:5
Feeding 28 DEG C of temperature, incubation time 35 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
The sludge 20% of acquirement, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, multi-vitamins 1%, sodium gluconate 1%,
Glycerin monostearate 2%, n,N-dimethylacetamide 1%, waste water, then cultured aerobic strain and anaerobic bacteria are added respectively
Kind；The waste water of pond body product 42%, stirring, stirring rate 550rpm are first put into strain pond；The useless of pond body product 7% is added daily
Water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launch in anaerobic reation pool together；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 28 DEG C of cultivation temperature, incubation time 47 hours；Expand reinforcing training again
It supports, expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate 0.5%, chlorination
Sodium 0.5%, sodium gluconate 1%, glycerin monostearate 2%, n,N-dimethylacetamide 2%, adjusting pH value is 7.5；Unlatching is shaken
Bed, shaking table rate are 150r/min, and cultivation temperature is 28 DEG C, incubation time 48h；Strain culturing after will be enlarged by hot housing
Base elder generation high speed centrifugation obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 7；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 4%, stirring, stirring rate 350rpm is added；Waterpower is stopped
8h is stayed to remove oil removal and some of the contaminants；Flocculation basin side wall install aerator, middle part be equipped with blender, bottom be with
The opposite gradient of water (flow) direction, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and hydraulic retention 9h is stirred, and stirring rate 450rpm, good bacteria can disappear
Extra oxygen decomposing pollutant is consumed, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, generation during this
Methane recovery to anaerobic reation pool connect methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards.
Embodiment 3:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.3%, glucose 0.4%, potassium dihydrogen phosphate 0.3%, remaining be water, adjusting pH value is 7.5, by 115 DEG C of high-temperature sterilization 25min,
Obtain culture medium A, B, C；It is inoculated with methane phase bacillus, methane phase coccus, Bacillus acidi lactici to culture medium A by 2:2:3 in desinfection chamber,
Desinfection chamber by 3:1:1:5 be inoculated with deep red red ring bacterium, Bacillus cercus, succinic acid bacteroid saccharomycete to culture medium B, culture
25 DEG C of temperature, incubation time 40 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
The sludge 28% of acquirement, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, multi-vitamins 1%, sodium gluconate 2%,
Glycerin monostearate 1%, n,N-dimethylacetamide 1%, waste water, then cultured aerobic strain and anaerobic bacteria are added respectively
Kind；The waste water of pond body product 45%, stirring, stirring rate 500rpm are first put into strain pond；The useless of pond body product 8% is added daily
Water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launch in anaerobic reation pool together；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 30 DEG C of cultivation temperature, incubation time 36 hours；Expand reinforcing training again
It supports, expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate 0.5%, chlorination
Sodium 0.5%, sodium gluconate 2%, glycerin monostearate 1%, n,N-dimethylacetamide 1%, adjusting pH value is 7.5；Unlatching is shaken
Bed, shaking table rate are 120r/min, and cultivation temperature is 26 DEG C, incubation time 41h；Strain culturing after will be enlarged by hot housing
Base elder generation high speed centrifugation obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 7.5；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 2%, stirring, stirring rate 250rpm is added；Waterpower is stopped
9h is stayed to remove oil removal and some of the contaminants；Flocculation basin side wall install aerator, middle part be equipped with blender, bottom be with
The opposite gradient of water (flow) direction, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and hydraulic retention 9.5h, stirring, stirring rate 350rpm, good bacteria can
Extra oxygen decomposing pollutant is consumed, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, production during this
Raw methane recovery to anaerobic reation pool connects methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards.
Embodiment 4:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.5%, glucose 0.4%, potassium dihydrogen phosphate 0.5%, remaining be water, adjust pH value be 7, by 110 DEG C of high-temperature sterilization 24min, obtain
To culture medium A, B, C；It is inoculated with methane phase bacillus, methane phase coccus, Bacillus acidi lactici to culture medium A by 2:2:3 in desinfection chamber, in nothing
Bacterium room is inoculated with Acinetobacter junii, Denitrifying Phosphate Accumulating Organisms, starch Clostridium, succinic acid bacteroid, saccharomycete by 2:1:1:1:5
To culture medium B, 32 DEG C of cultivation temperature, incubation time 50 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
Sludge 25%, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, the multi-vitamins 0.5%, sodium gluconate of acquirement
2%, glycerin monostearate 1%, n,N-dimethylacetamide 2%, waste water, then cultured aerobic strain and anaerobism are added respectively
Strain；The waste water of pond body product 44%, stirring, stirring rate 600rpm are first put into strain pond；Pond body product 7% is added daily
Waste water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launched together into anaerobic reation pool
In；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 31 DEG C of cultivation temperature, incubation time 29 hours；Expand reinforcing training again
It supports, expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate 0.5%, chlorination
Sodium 0.5%, sodium gluconate 1%, glycerin monostearate 1%, n,N-dimethylacetamide 2%, adjusting pH value is 7；Shaking table is opened,
Shaking table rate is 120r/min, and cultivation temperature is 32 DEG C, incubation time 45h；Strain cultures after will be enlarged by hot housing
First high speed centrifugation obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 7；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 5%, stirring, stirring rate 200rpm is added；Waterpower is stopped
8.5h is stayed to remove oil removal and some of the contaminants；Flocculation basin side wall installs aerator, and middle part is equipped with blender, and bottom is
The gradient opposite with water (flow) direction, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and hydraulic retention 8.5h, stirring, stirring rate 300rpm, good bacteria can
Extra oxygen decomposing pollutant is consumed, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, production during this
Raw methane recovery to anaerobic reation pool connects methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards.
Embodiment 5:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.8%, glucose 0.5%, potassium dihydrogen phosphate 0.7%, remaining be water, adjust pH value be 7, by 130 DEG C of high-temperature sterilization 20min, obtain
To culture medium A, B, C；It is inoculated with methane phase bacillus, methane phase coccus, Bacillus acidi lactici to culture medium A by 2:2:3 in desinfection chamber, in nothing
Bacterium room is inoculated with Acinetobacter calcoaceticus, Acinetobacter junii, deep red red ring bacterium, succinic acid bacteroid, yeast by 1:1:1:2:5
Bacterium, in culture medium B, 24 DEG C of cultivation temperature, incubation time 25 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
The sludge 22% of acquirement, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, multi-vitamins 1%, sodium gluconate 1%,
Glycerin monostearate 2%, n,N-dimethylacetamide 2%, waste water, then cultured aerobic strain and anaerobic bacteria are added respectively
Kind；The waste water of pond body product 43%, stirring, stirring rate 400rpm are first put into strain pond；The useless of pond body product 8% is added daily
Water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launch in anaerobic reation pool together；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 27 DEG C of cultivation temperature, incubation time 40 hours；Expand reinforcing training again
It supports, expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate 0.5%, chlorination
Sodium 0.5%, sodium gluconate 2%, glycerin monostearate 2%, n,N-dimethylacetamide 1%, adjusting pH value is 7；Shaking table is opened,
Shaking table rate is 110r/min, and cultivation temperature is 27 DEG C, incubation time 50h；Strain cultures after will be enlarged by hot housing
First high speed centrifugation obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 6；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 3%, stirring, stirring rate 400rpm is added；Waterpower is stopped
8.5h is stayed to remove oil removal and some of the contaminants；Flocculation basin side wall installs aerator, and middle part is equipped with blender, and bottom is
The gradient opposite with water (flow) direction, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and hydraulic retention 10h, stirring, stirring rate 500rpm, good bacteria can
Extra oxygen decomposing pollutant is consumed, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, production during this
Raw methane recovery to anaerobic reation pool connects methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards.
Index before and after each instance processes of table 1.
Claims (8)
1. a kind of microbial inoculum treatment process of town sewage, which comprises the following steps:
(1) culture of anaerobic bacteria, aerobic bacteria: the preparation of culture medium: agar 1%, stalk powder 0.5%, peptone 1%, magnesium sulfate
0.3~0.8%, glucose 0.3~0.5%, potassium dihydrogen phosphate 0.3~0.8%, remaining be water, adjust pH value be 7.0~7.5, warp
110~130 DEG C of 20~25min of high-temperature sterilization are crossed, culture medium A, B, C are obtained；It is inoculated with anaerobic species by a certain percentage in desinfection chamber
To culture medium A, it is inoculated in aerobic bacteria by a certain percentage in desinfection chamber to culture medium B, 24~32 DEG C of cultivation temperature, incubation time 24
~50 hours；
(2) it strain domestication, hot housing: is put into respectively in aerobic strain pond and anaerobic species pond from secondary sedimentation tank of sewage treatment work
Sludge 20~30%, magnesium sulfate 0.5%, glucose 0.5%, potassium dihydrogen phosphate 0.5%, the multi-vitamins 0.5~1%, Portugal of acquirement
Grape sodium saccharate 1~2%, glycerin monostearate 1~2%, n,N-dimethylacetamide 1~2%, waste water, then add cultivate respectively
Aerobic strain and anaerobic species；The waste water of pond body product 40~45%, stirring are first put into strain pond；Pond body product 6 is added daily
~8% waste water, until reaching ordinary water level, aerobic and anaerobic sludge after being tamed, being strengthened, and launched together into anaerobism
In reaction tank；
(3) it the culture of flocculated bacteria: is inoculated with the strain of flocculation ability: rose pink mold cyst bacterium, Fei Lv by a certain percentage in desinfection chamber
Guest's actinoplanes, inoculative proportion are 1:1 to culture medium C, 24~32 DEG C of cultivation temperature, incubation time 24~50 hours；Expand again
Big hot housing expands hot housing based component are as follows: sucrose 1%, agar 1%, potassium nitrate 1%, dipotassium hydrogen phosphate 0.5%, magnesium sulfate
0.5%, sodium chloride 0.5%, sodium gluconate 1~2%, glycerin monostearate 1~2%, n,N-dimethylacetamide 1~2%,
Adjusting pH value is 7.0~7.5；Shaking table is opened, cultivation temperature is 30 DEG C, incubation time 48h；Bacterium after will be enlarged by hot housing
Strain culture medium elder generation high speed centrifugation obtains supernatant as flocculation microbial inoculum；
(4) sewage is again thick to 8 layers of thin grid by grid gap, removes bulky grain solid impurity；It enters back into and overregulates pond adjusting pH
It is 6~7.5；
(5) sewage goes successively to flocculation basin, and the flocculation microbial inoculum of sewage volume 2~5%, stirring is added, and 7~9h of hydraulic retention removal is hanged
Floating object and some of the contaminants；Flocculation basin side wall installs aerator, and middle part is equipped with blender, and bottom is and water (flow) direction phase
The anti-gradient, to collect and be discharged precipitating；
(6) flocculation basin supernatant enters anaerobic reation pool, and 8~10h of hydraulic retention is stirred, and good bacteria can consume extra oxygen point
Pollutant is solved, while providing anaerobic environment to anaerobic bacteria to make anaerobic bacteria decomposing pollutant, the methane recovery generated during this is extremely
Anaerobic reation pool connects methane recovery pond；
(7) sewage continues to flow into aerobic aeration biofilter from bottom, is aerated in supporting layer, and supporting layer filtrate is 3~8cm of diameter
Cobblestone；It next is the cross nylon filtering cloth of first layer, placing filtrate is the long 3~5cm of special-shaped ceramics, and mix bacterium agent is being filtered
Biomembrane is formed on cloth and continues decomposing pollutant, while the structure of filter cloth plays a role in filtering；The second layer is trilobal weave Buddhist nun
Imperial filter cloth filtrate is the long 1~3cm of special-shaped ceramics, and third layer is pentagon weave nylon filtering cloth, active carbon, 5~100 mesh, until under
Up from thick to thin；Sewage is discharged into filtering ponds by gravity secondary filter from top, by 60~200 mesh of active carbon, by
It is arrived carefully up to lower to be thick, bottom is the double-deck five-pointed star weave nylon cloth, and in top and bottom, installation ultraviolet lamp carries out disinfection, finally
It is discharged after detection, then returns to anaerobic reation pool if it does not meet the standards；
Sewage disposal device includes: aerobic seeding tank, anaerobic species tank, grid, conditioning tank, flocculation basin, anaerobic reation pool, aerobic
Biological aerated filter, methane recovery device.
2. a kind of microbial inoculum treatment process of town sewage according to claim 1, it is characterised in that: anaerobic species are to produce first
The combination of alkane bacillus, methane phase coccus, Bacillus acidi lactici.
3. a kind of microbial inoculum treatment process of town sewage according to claim 2, it is characterised in that: methane phase bacillus produces
Methanosarcina, Bacillus acidi lactici inoculative proportion are 2:2:3.
4. a kind of microbial inoculum treatment process of town sewage according to claim 1, it is characterised in that: aerobic strain is poly- phosphorus
The combination of bacterium, hydrolysis acidification bacterium, saccharomycete.
5. a kind of microbial inoculum treatment process of town sewage according to claim 4, it is characterised in that: polyP bacteria, hydrolysis acid
Change bacterium, the inoculative proportion of saccharomycete is 3:2:5.
6. a kind of microbial inoculum treatment process of town sewage according to claim 4, it is characterised in that: polyP bacteria calcium acetate is not
One or both of lever bacterium, Acinetobacter junii, Denitrifying Phosphate Accumulating Organisms, deep red red ring bacterium.
7. a kind of microbial inoculum treatment process of town sewage according to claim 4, it is characterised in that: hydrolysis acidification bacterium is wax
One or both of shape bacillus, starch Clostridium, succinic acid bacteroid.
8. a kind of microbial inoculum treatment process of town sewage according to claim 1, it is characterised in that: stirring in step (2)
Mixing rate is 400rpm~600rpm；Shaking table rate is 100~150r/min in step (3)；Stirring rate is in step (5)
200rpm~400rpm；Stirring rate is 300rpm~500rpm in step (6).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735482A (en) * | 2019-03-08 | 2019-05-10 | 刘耀红 | A kind of aerobic strain activating agent and its preparation method and application method |
| CN113136351A (en) * | 2021-04-25 | 2021-07-20 | 重庆融极浩瀚生物技术有限公司 | Composite microbial flocculant and preparation method and application thereof |
| CN113292156A (en) * | 2021-02-09 | 2021-08-24 | 深圳前海百润环保科技有限公司 | Mixed growth type sewage treatment method and system |
| CN113307442A (en) * | 2021-02-08 | 2021-08-27 | 广东创实环境科技有限公司 | Fluidized bed biological membrane sewage treatment method and system |
| CN114031208A (en) * | 2021-10-18 | 2022-02-11 | 广东众城生态环境发展有限公司 | Industrial wastewater treatment process |
-
2018
- 2018-08-17 CN CN201810937602.8A patent/CN109052822A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735482A (en) * | 2019-03-08 | 2019-05-10 | 刘耀红 | A kind of aerobic strain activating agent and its preparation method and application method |
| CN113307442A (en) * | 2021-02-08 | 2021-08-27 | 广东创实环境科技有限公司 | Fluidized bed biological membrane sewage treatment method and system |
| CN113292156A (en) * | 2021-02-09 | 2021-08-24 | 深圳前海百润环保科技有限公司 | Mixed growth type sewage treatment method and system |
| CN113136351A (en) * | 2021-04-25 | 2021-07-20 | 重庆融极浩瀚生物技术有限公司 | Composite microbial flocculant and preparation method and application thereof |
| CN114031208A (en) * | 2021-10-18 | 2022-02-11 | 广东众城生态环境发展有限公司 | Industrial wastewater treatment process |
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Application publication date: 20181221 |