CN110510831A - A kind of sewage treatment process shortening the cultivation period - Google Patents
A kind of sewage treatment process shortening the cultivation period Download PDFInfo
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- CN110510831A CN110510831A CN201910897172.6A CN201910897172A CN110510831A CN 110510831 A CN110510831 A CN 110510831A CN 201910897172 A CN201910897172 A CN 201910897172A CN 110510831 A CN110510831 A CN 110510831A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/004—Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
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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
- 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
- C02F3/347—Use of yeasts or fungi
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of sewage treatment process for shortening the cultivation period, belong to technical field of sewage.It is the following steps are included: (1) is inoculated with EM bacterium in conditioning tank；(2) sewage in conditioning tank is pumped into microorganism sewage water processing equipment by water pump, while is inoculated with EM bacterium in anoxic pond and aerobic tank；(3) the aerobic nitrification liquid in microorganism sewage water processing equipment sedimentation basin containing activated sludge is back to by anoxic pond by water circulating pump；(4) supernatant in microorganism sewage water processing equipment sedimentation basin, which flows into, produces pond.By adding EM bacterium in conditioning tank, promote sanitary sewage hydrolysis acidification before entering microorganism sewage water processing equipment, it makes the life better the biodegradability of sewage, reduces the pollutants such as organic matter and the ammonia nitrogen of water inlet, mitigate influent load to the load impact of sewage disposal device；EM bacterium is applied in microorganism sewage water processing equipment, cultivation debugging cycle is shortened, treated goes out water energy qualified discharge.
Description
Technical field
The present invention relates to a kind of sewage treatment process for shortening the cultivation period, belong to technical field of sewage.
Background technique
In recent years, with the promotion of China's rapid economic development and living standard, living environment pollution is caused to get worse,
Wherein domestic sewage of villages and small towns is one of the important composition of wherein pollution sources.Domestic sewage of villages and small towns is mainly from kitchen drainage, lavatory
Draining and bathing wastewater, containing pollutants such as COD, ammonia nitrogen, phosphorus in water body, if being discharged into natural water and can make without any processing
At water eutrophication, the living environment of the mankind is seriously endangered.In view of people in the countryside live relatively disperse and resident's environmental consciousness it is weak
The features such as lacking perfect collection system with sanitary sewage, rationally handles domestic sewage in rural areas and asks as currently urgently to be resolved
Topic.
Long-term water quality investigation is carried out for the integrated domestic sewage treatment device of built operation, summary obtains
The water quality characteristics of the domestic sewage of villages and small towns in southern Jiangsu province city: COD concentration is about 300-600mg/L, and ammonia nitrogen concentration is about
68mg/L-260mg/L, influent concentration fluctuation is larger, and volumetric loading impact when to the stable operation of equipment is larger, causes equipment
Interior functional microorganism batch is dead, runs equipment from normal table.Therefore rationally and effectively function is designed by technological innovation
Energy strain is added, and the time is tamed in the culture for shortening function strain in equipment.
EM bacterium (Effective Microorganisms) is with photosynthetic bacteria, lactic acid bacteria, saccharomycete, bacillus, double
10 in discrimination bacillus, acetic acid bacteria and the big quasi-microorganism of actinomyces seven belong to the micro- life bacterium system of one kind that 80 kinds of microorganisms are combined
Agent.Its mechanism of action is to utilize EM flora rapid decomposing organic matter of energy in its growth course, while relying on mutual symbiosis
Proliferation and synergistic effect, are metabolized out antioxidant, generate and stablize and the complicated ecosystem, and inhibit harmful microbe raw
Long breeding, inhibits the odorants such as sulfur-bearing, nitrogen to generate stink, activates protozoan, microorganism in water body with purification function
And water plant, purifying water body is achieved the purpose that by the comprehensive effect of these biologies.Currently, EM bacterium is widely used to
The fields such as agricultural, cultivation, plantation, environmental protection achieve apparent economic benefit and ecological benefits, but are applied to domestic sewage of villages and small towns
It is reported in processing still few.
Laundering period and proliferation period, active raising phase and stabilization are generally undergone in biologic process for treating sewage cultivation debugging process
Runtime three phases.First stage is laundering period and proliferation period, and the inoculation of activated-sludge into the functional areas of equipment takes bored exposure
Equal measures, the parameter (DO, HRT etc.) when control equipment operation, make in the activated sludge of inoculation functional microorganism breeding and other
Microorganism is eliminated, and generally lasts for 45 days.When second stage activity improves the phase, the general period is 30 days or so, controls sewage
Inflow and its dissolved oxygen concentration, functional microorganism becomes dominant strain in equipment.Phase III is steady operation period, entire mistake
Journey is 45 days, and the DO etc. when being run by continuum micromeehanics and control, the functional microorganism activity in equipment further increases, sewage
In organic matter and the elements such as nitrogen be utilized, so that purifying water makes its qualified discharge.Entire biologic process for treating sewage cultivation
Debug that elapsed time is long, and complicated operation in debugging process and operating parameter accurately controls that difficulty is big, and equipment cannot be transported normally
Row, the running equipment that completed is added it is costly when strain is debugged, equipment water outlet be unable to qualified discharge.Therefore, it examines
Consider by being made the life better the biodegradability of sewage using EM bacterium, to optimize equipment service condition.
Summary of the invention
Technical problem to be solved by the present invention lies in: a kind of sewage treatment process for shortening the cultivation period is provided, it is solved
The long problem of elapsed time is debugged in entire microorganism sewage water treatment process cultivation at present of having determined.
The technical problems to be solved by the invention take following technical scheme to realize:
It is a kind of shorten the cultivation period sewage treatment process, it the following steps are included:
(1) sewage is focused in conditioning tank, EM bacterium is inoculated in conditioning tank, EM bacterium promotes sewage entering microorganism dirt
Hydrolysis acidification before water treatment facilities；
(2) sewage in conditioning tank is pumped into microorganism sewage water processing equipment by water pump, microorganism sewage water processing is set
Standby includes anoxic pond, aerobic tank and sedimentation basin, and sewage successively passes through the anoxic pond of microorganism sewage water processing equipment, aerobic tank and heavy
Shallow lake pond, anoxic pond are equipped with denitrifying bacteria sludge, are equipped with nitrobacteria sludge in aerobic tank, while in anoxic pond and aerobic tank
It is inoculated with EM bacterium, anoxic pond, aerobic tank and precipitating bottom of pond portion are respectively equipped with aerator and are aerated；
(3) Dephosphorization reagent is launched into microorganism sewage water processing equipment sedimentation basin by dephosphorization apparatus, passes through water circulating pump
Aerobic nitrification liquid in microorganism sewage water processing equipment sedimentation basin containing activated sludge is back to anoxic pond, regular replenishment anoxic
Aerobic nitrification liquid is back to anoxic pond and carries out denitrification denitrogenation by the micro organism quantity in pond by controlling reflux ratio；
(4) supernatant in microorganism sewage water processing equipment sedimentation basin is flowed by the overflow port of retention activated sludge and produces water
Pond.
As preferred embodiment, the aerator is made of air blower and multiple micropore aeration pipes, and air blower passes through pipeline
It is connect respectively with micropore aeration pipe, air is blasted micropore aeration pipe and is aerated by air blower.
As preferred embodiment, microbe stuffing is equipped in the anoxic pond and aerobic tank.
As preferred embodiment, the EM bacterium is with photosynthetic bacteria, lactic acid bacteria, saccharomycete, bacillus, Bifidobacterium, vinegar
A kind of micro- life bacteria preparation that sour bacterium, the big quasi-microorganism of actinomyces seven are combined.
The beneficial effects of the present invention are: promoting sanitary sewage entering microorganism dirt by adding EM bacterium in conditioning tank
Hydrolysis acidification before water treatment facilities, the biodegradability for sewage of making the life better reduce the pollutants such as organic matter and the ammonia nitrogen of water inlet, subtract
Load impact of the light influent load to sewage disposal device；EM bacterium is applied in microorganism sewage water processing equipment, training is shortened
Bacterium debugging cycle, treated go out water energy qualified discharge, operation operation it is simple and feasible, advantageously reduce energy consumption saved investment at
This；By the way that EM bacterium is added, it can significantly shorten the cultivation period, quickly improve effluent quality.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention.
In figure: conditioning tank 1, microorganism sewage water processing equipment 2, anoxic pond 21, aerobic tank 22, sedimentation basin 23, water pump 3, drum
Blower 41, micropore aeration pipe 42, dephosphorization apparatus 5, water circulating pump 6 produce pond 7.
Specific embodiment
In order to be easy to understand to technical means, creative features, achievable purpose and effectiveness of the invention, below with reference to tool
Body diagram, the present invention is further explained.
As shown in Figure 1, it is a kind of shorten the cultivation period sewage treatment process, it the following steps are included:
(1) sewage is focused in conditioning tank 1, EM bacterium is inoculated in conditioning tank 1, EM bacterium promotes sewage entering microorganism
Hydrolysis acidification before sewage disposal device 2；
(2) sewage in conditioning tank 1 is pumped into microorganism sewage water processing equipment 2 by water pump 3, microorganism sewage water processing
Equipment 2 includes anoxic pond 21, aerobic tank 22 and sedimentation basin 23, and sewage successively passes through the anoxic pond of microorganism sewage water processing equipment 2
21, aerobic tank 22 and sedimentation basin 23, anoxic pond 21 are equipped with denitrifying bacteria sludge, are equipped with nitrobacteria sludge in aerobic tank 22,
EM bacterium is inoculated in anoxic pond 21 and aerobic tank 22 simultaneously, anoxic pond 21, aerobic tank 22 and 23 bottom of sedimentation basin are respectively equipped with exposure
Device of air is aerated；
(3) Dephosphorization reagent is launched into 2 sedimentation basin 23 of microorganism sewage water processing equipment by dephosphorization apparatus 5, passes through circulation
Aerobic nitrification liquid containing activated sludge in 2 sedimentation basin 23 of microorganism sewage water processing equipment is back to anoxic pond 21 by water pump 6, fixed
Phase supplements the micro organism quantity in anoxic pond 21, by controlling reflux ratio, aerobic nitrification liquid is back to anoxic pond 21 and is carried out instead
Nitrify denitrogenation；
(4) supernatant in 2 sedimentation basin 23 of microorganism sewage water processing equipment is flowed by the overflow port of retention activated sludge
Produce pond 7.
Aerator is made of air blower 41 and multiple micropore aeration pipes 42, and air blower 41 is exposed with micropore respectively by pipeline
Tracheae 42 connects, and air is blasted micropore aeration pipe 42 and is aerated by air blower 41.
Microbe stuffing is equipped in anoxic pond 21 and aerobic tank 22.
EM bacterium is with photosynthetic bacteria, lactic acid bacteria, saccharomycete, bacillus, Bifidobacterium, acetic acid bacteria, seven major class of actinomyces
A kind of micro- life bacteria preparation that microorganism is combined.
Embodiment 1
As shown in table 1, the present invention accesses public lavatory and carries out water quality data after sewage treatment debugging.Since the station area raw water accesses
One public lavatory, therefore influent quality index is high and fluctuating range is larger.To the activated sludge acclimatization period in the station area equipment compared with
Long, sludge acclimatization initial stage is discharged COD and ammonia nitrogen concentration is high, lower to COD and ammonia nitrogen removal frank.Afterwards feelings are run according to equipment
Condition detects after EM bacterium is seeded in conditioning tank 1, and as shown in Table 1, the ammonia nitrogen removal frank of equipment is obviously improved after inoculation,
COD removal rate is obviously improved before being also relatively transformed, and the time needed for equipment reaches effluent quality requirement also shortens, much smaller than existing
The microorganism sewage water treatment process for not being inoculated with EM bacterium runs at standard required time.
1 present invention access public lavatory of table carries out water quality data after sewage treatment debugging
Embodiment 2
As shown in table 2, the present invention accesses residents sanitary sewage and carries out water quality data after sewage treatment debugging, and the equipment is not
Septic tank is configured, influent COD, ammonia nitrogen concentration height impact larger, equipment water outlet COD, ammonia nitrogen concentration before debugging to machine utilization
Not up to discharge standard, the microorganism of inoculation early period is not yet worked in equipment, and it is longer to show the operation cultivation period.Table 2 is
Residents domestic sewage treatment device conditioning tank 1 is inoculated with water quality data after EM bacterium, and as can be seen from the data, water outlet COD, ammonia nitrogen are dense
Degree significantly improves, and COD and ammonia nitrogen removal frank significantly rise to 95% or so, is discharged the time needed for reaching level-one B discharge standard
It is obviously shortened, the time required to being run at standard much smaller than the existing microorganism sewage water treatment process for not being inoculated with EM bacterium.
2 present invention access residents sanitary sewage of table carries out water quality data after sewage treatment debugging
In summary: by adding EM bacterium in conditioning tank 1, sanitary sewage being promoted to enter microorganism sewage water processing equipment
Hydrolysis acidification before 2, the biodegradability for sewage of making the life better reduce the pollutants such as organic matter and the ammonia nitrogen of water inlet, and it is negative to mitigate water inlet
Load impact of the lotus to sewage disposal device；EM bacterium is applied in microorganism sewage water processing equipment 2, while in 21 He of anoxic pond
Aerobic tank 22 is inoculated with EM bacterium simultaneously, strengthens the biological denitrificaion ability and organic matter removal ability of anoxic pond 21, and improve aerobic
The nitrification in pond 22 shortens cultivation debugging cycle, and treated goes out water energy qualified discharge, and operation operation is simple and feasible, has
Input cost has been saved conducive to energy consumption is reduced；By the way that EM bacterium is added, it can significantly shorten the cultivation period, quickly improve water outlet water
Matter.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements are both fallen in the scope of protection of present invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (4)
1. it is a kind of shorten the cultivation period sewage treatment process, which is characterized in that it the following steps are included:
(1) sewage is focused in conditioning tank, EM bacterium is inoculated in conditioning tank, EM bacterium promotes sewage entering at microorganism sewage water
Hydrolysis acidification before reason equipment；
(2) sewage in conditioning tank is pumped into microorganism sewage water processing equipment by water pump, microorganism sewage water processing equipment packet
Anoxic pond, aerobic tank and sedimentation basin are included, sewage successively passes through anoxic pond, aerobic tank and the precipitating of microorganism sewage water processing equipment
Pond, anoxic pond are equipped with denitrifying bacteria sludge, are equipped with nitrobacteria sludge in aerobic tank, while connecing in anoxic pond and aerobic tank
Kind EM bacterium, anoxic pond, aerobic tank and precipitating bottom of pond portion are respectively equipped with aerator and are aerated；
(3) Dephosphorization reagent is launched into microorganism sewage water processing equipment sedimentation basin by dephosphorization apparatus, it will be micro- by water circulating pump
Aerobic nitrification liquid in biological sewage processing equipment sedimentation basin containing activated sludge is back to anoxic pond, in regular replenishment anoxic pond
Micro organism quantity, by control reflux ratio, by aerobic nitrification liquid be back to anoxic pond carry out denitrification denitrogenation；
(4) supernatant in microorganism sewage water processing equipment sedimentation basin is flowed by the overflow port of retention activated sludge and produces pond.
2. a kind of sewage treatment process for shortening the cultivation period according to claim 1, which is characterized in that the aerator
It is made of air blower and multiple micropore aeration pipes, air blower is connect respectively by pipeline with micropore aeration pipe, and air blower is by air
Micropore aeration pipe is blasted to be aerated.
3. according to claim 1 it is a kind of shorten the cultivation period sewage treatment process, which is characterized in that the anoxic pond and
Microbe stuffing is equipped in aerobic tank.
4. according to claim 1 it is a kind of shorten the cultivation period sewage treatment process, which is characterized in that the EM bacterium be with
Photosynthetic bacteria, lactic acid bacteria, saccharomycete, bacillus, Bifidobacterium, acetic acid bacteria, the big quasi-microorganism of actinomyces seven are combined
A kind of micro- life bacteria preparation.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950494A (en) * | 2019-12-05 | 2020-04-03 | 南京万德斯环保科技股份有限公司 | Integrated equipment for distributed domestic sewage treatment |
| CN111320340A (en) * | 2019-12-25 | 2020-06-23 | 上海在田环境科技有限公司 | Bioreactor for treating garbage transfer station pressed leachate |
| CN111606509A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Low-temperature bacterium proportioning culture method for sewage treatment |
| CN112174438A (en) * | 2020-10-14 | 2021-01-05 | 王长青 | Distributed sewage treatment equipment applying biological agent and treatment process thereof |
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| CN111606509A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Low-temperature bacterium proportioning culture method for sewage treatment |
| CN112174438A (en) * | 2020-10-14 | 2021-01-05 | 王长青 | Distributed sewage treatment equipment applying biological agent and treatment process thereof |
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