CN109456906A - A kind of alcohol-containing type organic sewage dedicated processes microbial inoculum and processing method - Google Patents
A kind of alcohol-containing type organic sewage dedicated processes microbial inoculum and processing method Download PDFInfo
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- CN109456906A CN109456906A CN201811617187.4A CN201811617187A CN109456906A CN 109456906 A CN109456906 A CN 109456906A CN 201811617187 A CN201811617187 A CN 201811617187A CN 109456906 A CN109456906 A CN 109456906A
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- 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
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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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- 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
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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
- C02F2101/34—Organic compounds containing oxygen
Abstract
The invention belongs to technical field of bioengineering, a kind of alcohol-containing type organic sewage dedicated processes microbial inoculum and processing method are provided, the alcohol-containing type organic sewage dedicated processes microbial inoculum includes the one or more of Pichia pastoris, lactobacillus plantarum plant subspecies, bacillus cereus, acinetobacter calcoaceticus, Alcaligenes and candida tropicalis.The alcohol-containing type organic sewage dedicated processes microbial inoculum is put into activated sludge, high load capacity can be effectively resistant to or inhibit the impact of harmful substance, improve the removal efficiency of former biochemical system COD, materialized pretreatment process can be saved again, save cost, sewage after treatment reaches comprehensive pool discharge standard, without side-effects to operator.
Description
Technical field
The invention belongs to technical field of bioengineering, a kind of alcohol-containing type organic sewage dedicated processes microbial inoculum and place are provided
Reason method.
Background technique
In order to make up the deficiency of clean fuel, coal hydrogen manufacturing will rapidly become one of the leading industry of traditional coal chemical industry,
Country is to the demand advocated, develop substitute energy source for petroleum of the high effect cleaning energy and makes full use of low-grade coal resource and reduction
Environmental pollution requirement, these give coal hydrogen manufacturing industry development of new generation to bring wide market.But coal hydrogen manufacturing belong to it is highly water intensive
Industry, water demand amount is big, discharge production wastewater treatment problem have become restrict coal hydrogen manufacturing industry development bottleneck.
Waste water main component includes the alcohols materials such as methanol, ethyl alcohol, n-butanol, isobutanol.
Methanol industry production or use process in, by rectifier bottoms be discharged vinasse, mainly containing methanol, ethyl alcohol,
, there are waxy substance precipitation in advanced alcohols and aldehydes and a small amount of long-chain compound, when low temperature, and COD content is higher.
The waste water that above-mentioned industry generates is the organic industrial sewage of typical high-concentration hardly-degradable.Seek with low investment, water quality
Handle well, the alcohol-containing type organic sewage treatment process that technology stability is strong, operating cost is low, to the maximum extent realize water-saving,
Water-saving and reuse, it has also become the urgent need of industry development.
Currently, common alcohols waste water treatment process has: aeration, biological treatment, vaporizing extract process, chemical oxidization method.It exposes
Gas method is to be used for the biochemistry treatment technique of alcohols waste water treatment earliest, but the HRT that traditional Aerobic aeration requires is opposite
Longer, structures (especially aeration tank) volume is larger, high investment, in operational process, because aeration time is long, and the air that needs
It measures that larger, energy consumption is higher, causes operating cost high, seldom with the method.Wastewater by Biochemical Treatment has at low cost, processing effect
The advantages that fruit is good, operational management is easy.It is basic on wastewater processing technology but for the organic pollutant of high-concentration hardly-degradable
Thinking is mainly to surround two methods of materialized pretreatment and the combination expansion of biochemical method, has been difficult by single materialization or biochemistry
At.Materialized pretreatment can all introduce the secondary pollutions such as other salt ions, dangerous waste to waste water system, increase processing cost.Stripping
Characteristic of the method according to alcohols low boiling point in waste water, can reach high concentration alcohols waste water in the dual mesh for administering waste water and recycling
, but energy consumption is larger.Chemical oxidation rule utilizes O3、Cl2、HClO3Deng carrying out catalysis oxidation, but the preparation and use of oxidant
It is very inconvenient.
Patent CN102674528 B provides a kind of supersonic wave cooperating with ozone processing wastewater containing methyl alcohol in low concentration processing method,
Equipment cost is higher, and introduces active carbon and catalyst during processing, increases dangerous waste processing cost, technological operation peace
Full property is low.
Therefore looking for a kind of dedicated processes microbial inoculum for alcohol-containing type organic sewage and processing method becomes this field urgently
One of problem to be solved.
Summary of the invention
The present invention is existing insufficient in view of the above technology, provide a kind of alcohol-containing type organic sewage dedicated processes microbial inoculum and
Processing method, the alcohol-containing type organic sewage dedicated processes microbial inoculum include Pichia pastoris, lactobacillus plantarum plant subspecies, wax
Sample bacillus, acinetobacter calcoaceticus, Alcaligenes and candida tropicalis one or more.The dedicated place of alcohol-containing type organic sewage
Reason microbial inoculum is put into activated sludge, can be effectively resistant to high load capacity or be inhibited the impact of harmful substance, improve former biochemical system
The removal efficiency of COD, and materialized pretreatment process can be saved, cost is saved, sewage after treatment reaches comprehensive pool discharge
Standard, it is without side-effects to operator.
The specific technical solution of the present invention is as follows:
A kind of alcohol-containing type organic sewage dedicated processes microbial inoculum, which includes following microbial inoculum:
Amphimicrobian microbial inoculum is become reconciled oxygen microbial inoculum,
Wherein amphimicrobian microbial inoculum includes the one or two of Pichia pastoris, lactobacillus plantarum plant subspecies;
Aerobic microbial inoculum includes Pichia pastoris, bacillus cereus, acinetobacter calcoaceticus, Alcaligenes, lactobacillus plantarum plant subspecies
With the one or more of candida tropicalis;
Wherein the source of each microbial inoculum is as follows:
Microorganism Pichia pastoris, deposit number: CGMCC NO.16155;
Bacillus cereus, deposit number: CGMCC NO.16151;
Acinetobacter calcoaceticus, deposit number: CGMCC 1.10395;
Alcaligenes, deposit number: CGMCC NO.16158;
Lactobacillus plantarum plant subspecies, deposit number: CGMCC1.2469;
Candida tropicalis, deposit number: CGMCC NO.16156;
Wherein CGMCC NO.16151, CGMCC NO.16155, CGMCC NO.16156, the CGMCC NO.16158
Strain be the present inventor's preservation, can be directly obtained from collection, the strain described in other can be from city
It is directly bought on field, details are not described herein by inventor.
In biological treatment of waste water system, the removal of water pollutant mainly passes through the powerful metabolism of microorganism
It completes, the utility and its secretion that compound bacteria generates in its growth course will become the base respectively or mutually grown again
Matter and raw material carry out the combination between different floras, by mutual this symbiosis Relationship With Proliferation, keep biochemical system more steady
It is fixed, and play multiple functions.
Alcohol-containing type organic waste water quality complicated component, biodegradability is poor, individually all using anaerobism or aerobic process
It is difficult to obtain satisfied treatment effect, and anaerobic-aerobic combined treatment process, super hybrid bacteria is additionally added again, difficult to degrade
Have the advantages that its uniqueness in the processing of sewage, in alcohol-containing type organic waste water organic matter and ammonia nitrogen have preferable removal effect
Fruit.
Alcohol-containing type organic sewage dedicated processes microbial inoculum provided by the present invention is exceeded mainly by alcohols according to waste water COD
Cause and researches and develops.In above-mentioned strain, it is carbon source for growth that Pichia pastoris, which can use methanol, and is facultative anaerobic bacteria and plant cream
Bacillus plant subspecies synergistic effect, can convert organic pollutant to organic aliphatic acid (VFA), improve the biodegradability of waste water,
Bacillus cereus, acinetobacter calcoaceticus, Alcaligenes and candida tropicalis have drop COD function, into activated Sludge System add with
One or more of upper microbial inoculum can effectively be resistant to the impact of high load capacity or inhibiting substances, improve going for original biochemical system COD
Except efficiency, and materialized pretreatment process can be saved, save cost;
In order to make above-mentioned microbial inoculum be resistant to harsher water inlet environment, inventor carries out above-mentioned anaerobism microbial inoculum
Domestication, specific domestication process steps are as follows:
The domestication process of the amphimicrobian microbial inoculum, the specific steps are as follows:
Amphimicrobian flora is added into the activated Sludge System of anaerobic pond, microbial inoculum additive amount is W/V1-5 ‰, temperature 25-
37 DEG C, stir 50rpm, after sludge and the bored exposure 1-2d of microbial inoculum, standing sedimentation 1h discards supernatant liquor, then tamed;
Domestication process:
The alcohol-containing type organic waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned anaerobic pond, anaerobism is made
System pH sodium hydroxide is modulated 7.5-8.0, stirs 50rpm, dissolved oxygen < 0.5mg/ by COD < 4000mg/L in cell system
L surveys its COD daily, pH is detected, with sodium hydroxide modulating system pH7.5-8.0;Work as COD concentration in system in 2-3d to drop to
When 2000mg/L, when static 2.5h, makes sludge settling, discards supernatant liquor, is re-introduced into the organic containing alcohols of above-mentioned addition nutritive salt
Object waste water, in order not to allow strain because tolerance incessantly inactivates, the COD concentration in slow raising system, every subsystem COD is improved
2000-4000mg/L, until anaerobic system in strain domestication to tolerable COD concentration be 4000-16000mg/L, stable water outlet
When, anaerobism is drained to the aerobic system tamed.
Likewise, inventor also tames above-mentioned aerobic microbial inoculum, specific domestication process steps are as follows:
Aerobic flora is added into the activated Sludge System of aerobic tank, microbial inoculum additive amount is W/V1-5 ‰, temperature 25-37
DEG C, control dissolved oxygen is in 2-5mg/L, and after sludge and microbial inoculum aeration culture 1-2d, standing sedimentation 1h discards supernatant liquor, then into
Row domestication;
Domestication process: the alcohol-containing type organic waste water that nutritive salt is added is added to the activated Sludge System of above-mentioned aerobic tank
In, make COD < 1000mg/L in aerobic cell system, system pH sodium hydroxide is modulated into 6.0-7.0, aeration culture is surveyed daily
Its COD stops aeration when COD concentration drops to 500mg/L or so in system, and when static 1.5h makes sludge settling, discards
The layer stillness of night, it is re-introduced into the alcohol-containing type organic waste water of above-mentioned addition nutritive salt, in order not to allow strain because tolerance incessantly inactivates, delayed
COD concentration in slow raising system, every subsystem COD improve 200-500mg/L, when in aerobic system strain domestication to can tolerate
COD concentration is 2000mg/L or so, and when stable water outlet, is subjected to anaerobic effluent.
During above-mentioned domestication twice, in the alcohol-containing type organic waste water of the addition nutritive salt of use, add in every liter of waste water
The nutritive salt composition entered is as follows: dipotassium hydrogen phosphate 0.05-0.4g/L, potassium dihydrogen phosphate 0.05-0.4g/L, magnesium sulfate 0.0125-
0.1g/L, ammonium chloride 0.125-1.0g/L, sodium bicarbonate 0.031-0.25g/L, microelement 10-20mL/L, the micro member
Element composition: ferrous sulfate 0.0625-0.5g/L, manganese sulfate 0.0125-0.1g/L, zinc chloride 0.025-0.2g/L, calcium chloride
0.0125-0.1g/L。
By above-mentioned domestication process, and the nutritive salt specially modulated, by adding nutrients, regulating system pH value etc.
Condition reaches the degradation capability of processing system, and the living environment of adaptation is the precondition that microorganism plays degrading activity, passes through
Nutritive salt is added, can be that microbial growth is fast, quantity is more, activity is high, and then improves the stable performance of system.
After obtaining above-mentioned alcohol-containing type organic sewage dedicated processes microbial inoculum, inventor provides one kind again to be had containing alcohols
The processing method of machine object sewage, steps are as follows:
After microbial inoculum domestication completion is up to standard, the presetting alcohol-containing type organic waste water of nutritive salt is added, adjusts pH to 7.5- with NaOH
8.0, it intakes into anaerobic system, makes COD < 16000mg/L in anaerobism cell system, 25-37 DEG C of temperature, stir 50rpm, dissolution
Oxygen < 0.5mg/L surveys its COD daily, and COD concentration drops to 4000-2000mg/L hereinafter, standing, and extracts supernatant and drains into
System pH sodium hydroxide is modulated 6.0-7.0 by oxygen system, its COD is surveyed in aeration culture daily, when COD concentration declines in system
It can be discharged to 200mg/L or less.
It is found after detecting, handles alcohol-containing waste water using the above method, COD removal rate can be 98% or more, much higher than existing
There is technology.
In conclusion can effectively be resistant to high load capacity using special bacteria agent and processing method of the invention or inhibit harmful
The impact of substance, improves the removal efficiency of former biochemical system COD, and can save materialized pretreatment process, cost is saved, by place
Sewage after reason reaches comprehensive pool discharge standard, without side-effects to operator.
By the bacterial strain of inventor's preservation in above-mentioned strain, preservation information is as follows:
The preservation time: on July 25th, 2018
Depositary institution's title: Chinese microorganism strain preservation conservator's common micro-organisms center
Deposit number: CGMCC No.16151
Depositary institution address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City institute of microbiology, the Chinese Academy of Sciences
Classification naming: bacillus cereus (Bacillus cereus)
The preservation time: on July 25th, 2018
Depositary institution's title: Chinese microorganism strain preservation conservator's common micro-organisms center
Deposit number: CGMCC No.16155
Depositary institution address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City institute of microbiology, the Chinese Academy of Sciences
Classification naming: pichia pastoris yeast (Pichia pastoris)
The preservation time: on July 25th, 2018
Depositary institution's title: Chinese microorganism strain preservation conservator's common micro-organisms center
Deposit number: CGMCC No.16156
Depositary institution address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City institute of microbiology, the Chinese Academy of Sciences
Classification naming: candida tropicalis (Candida tropicalis)
The preservation time: on July 25th, 2018
Depositary institution's title: Chinese microorganism strain preservation conservator's common micro-organisms center
Deposit number: CGMCC No.16158
Depositary institution address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City institute of microbiology, the Chinese Academy of Sciences
Classification naming: Alcaligenes (Alcaligenes spp)
Detailed description of the invention
The processing method flow chart of Fig. 1 alcohol-containing type organic sewage of the present invention;
Specific embodiment
The specific embodiment of form by the following examples does further specifically above content of the invention
It is bright, but the range that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to example below.It is all to be based on above content of the present invention
The technology realized all belongs to the scope of the present invention, and it is complete to be all made of conventional prior unless otherwise specified, in following embodiments
At.Used various bacterial strains are the bacterial strain recorded in specification;
Embodiment 1
Certain company generates a kind of coal hydrogen manufacturing waste water, and COD value is in 16000mg/L or so, through analyzing, mainly has containing organic substance
The alcohols materials such as methanol, ethyl alcohol.
This waste water is handled with biochemical method, facultative anaerobic bacteria Pichia pastoris is added into the activated Sludge System of anaerobic pond,
Additive amount is W/V 1 ‰ (W is the quality of microbial inoculum, and V is the basin's effective volume of anaerobic pond), 25 DEG C of outdoor temperature, stirs 50rpm, dirty
After mud and the bored exposure 1d of microbial inoculum, standing sedimentation 1h discards supernatant liquor, and the coal hydrogen manufacturing waste water that nutritive salt is added is added to anaerobic pond
Activated Sludge System in, make COD 4000mg/L in anaerobism cell system, system pH be adjusted to 7.5 with sodium hydroxide, stirring
50rpm, dissolved oxygen < 0.5mg/L survey its COD daily, detect pH, 2d works as COD concentration in system and drops to 2000mg/L, static
Make sludge settling when 2.5h, discard supernatant liquor, is re-introduced into above-mentioned coal hydrogen manufacturing waste water, steps up inflow, make anaerobic system
It is resistant to COD 7000mg/L, stable water outlet is in 2000mg/L within two days.
Add aerobic flora into the activated Sludge System of aerobic tank, Pichia pastoris, bacillus cereus, acinetobacter calcoaceticus,
Alcaligenes, microbial inoculum additive amount are W/V 1 ‰;Wherein Pichia pastoris, bacillus cereus, acinetobacter calcoaceticus, production alkali in aerobic flora
The mass ratio of bacterium is 2:2:1:0.5, and 25 DEG C of temperature, control dissolved oxygen is stood after 3mg/L, sludge and microbial inoculum aeration culture 1d
1h is settled, supernatant liquor is discarded, the coal hydrogen manufacturing waste water that nutritive salt is added is added in the activated Sludge System of aerobic tank, is made
COD is 1000mg/L in oxygen cell system, and system pH modulates 6.0 with sodium hydroxide, and aeration culture surveys its COD, when in system daily
When COD concentration drops to 500mg/L or so, stop aeration, when static 1.5h makes sludge settling, discards supernatant, gradually mentions
High inflow makes aerobic system finally be resistant to COD 2000mg/L, and stable water outlet is in 200mg/L within two days.
During above-mentioned domestication twice, use is added in the coal hydrogen manufacturing waste water of nutritive salt, the battalion being added in every liter of waste water
It is as follows to support salt composition: dipotassium hydrogen phosphate 0.05g/L, potassium dihydrogen phosphate 0.05g/L, magnesium sulfate 0.0125g/L, ammonium chloride
0.125g/L, sodium bicarbonate 0.031g/L, microelement 10mL.Microelement: ferrous sulfate 0.0625g/L, manganese sulfate
0.0125g/L, zinc chloride 0.025g/L, calcium chloride 0.0125g/L.
Two systems are tamed, and the presetting coal hydrogen manufacturing waste water of nutritive salt is added, and adjust pH to 7.5-8.0 with NaOH, to detesting
It intakes in oxygen system, controls its additional amount, COD in the anaerobism cell system to be processed obtained after muddy water original in system dilution
< 7000mg/L, stirs 50rpm by 25-37 DEG C of temperature, and dissolved oxygen < 0.5mg/L, COD concentration drops to 2000mg/L hereinafter, quiet
It sets, extracts supernatant and drain into aerobic system, system pH sodium hydroxide is modulated 6.0, aeration culture surveys its COD, when being daily
COD concentration drops to 200mg/L or less and can be discharged in system, and COD removal rate is up to 98.75%, other indexs of waste water are not compared with
Improve before processing there has also been apparent.
The biochemical inflow and outflow water quality technology table of table one
Serial number | Project | Raw water quality | Effluent quality |
1 | COD | 16000mg/L | < 200mg/L |
2 | BOD | 7200mg/L | < 28mg/L |
3 | NH3-N | 32.15mg/L | < 9.5mg/L |
4 | SS | 120.56mg/L | < 50mg/L |
5 | pH | 4.5-5.5 | 6.0-7.5 |
Embodiment 2
Coke-stove gas waste water is methanol rectification waste water, gas holder water seal drainage, sanitary sewage in raw material production methanol process
Major pollutants are COD, NH3- N, volatile phenol, SS etc. belong to high concentration organic sewage.
Facultative anaerobic bacteria lactobacillus plant subspecies and Pichia pastoris, additive amount are added into the activated Sludge System of anaerobic pond
For W/V2 ‰, wherein the mass ratio of Pichia pastoris and lactobacillus plantarum plant subspecies is 1:1,30 DEG C of outdoor temperature, stirring
After 50rpm, sludge and the bored exposure 1d of microbial inoculum, standing sedimentation 1h discards supernatant liquor,
The coke-stove gas waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned anaerobic pond, anaerobic pond system is made
COD is 2500mg/L in uniting, and system pH is adjusted to 8.0 with sodium hydroxide, 50rpm, dissolved oxygen < 0.5mg/L is stirred, surveys daily
Its COD, detects pH, and 2d COD concentration in the system drops to 1500mg/L, and when static 2.5h makes sludge settling, and it is clear to discard upper layer
Liquid is re-introduced into coke-stove gas waste water, steps up inflow, and anaerobic system is made to be resistant to COD 4000mg/L, is discharged within two days
Stablize in 1500mg/L.
Aerobic flora Pichia pastoris, bacillus cereus, acinetobacter calcoaceticus, plant are added into the activated Sludge System of aerobic tank
Object lactobacillus plant subspecies and candida tropicalis, microbial inoculum additive amount be W/V2 ‰, wherein Pichia pastoris, bacillus cereus,
The mass ratio of acinetobacter calcoaceticus, lactobacillus plantarum plant subspecies and candida tropicalis be 2:1.5:1:0.5:0.8,30 DEG C of temperature,
Dissolved oxygen is controlled after 4mg/L, sludge and microbial inoculum aeration culture 1d, standing sedimentation 1h discards supernatant liquor,
The coke-stove gas waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned aerobic tank, aerobic tank system is made
COD is 800mg/L in uniting.System pH modulates 6.5 with sodium hydroxide, and aeration culture surveys its COD, when COD concentration in system daily
When dropping to 500mg/L or so, stop aeration, when static 1.5h makes sludge settling, discards supernatant, steps up into water
Amount, makes aerobic system finally be resistant to COD 1500mg/L, stable water outlet is in 150mg/L within two days.
During above-mentioned domestication twice, in the coke-stove gas waste water of the addition nutritive salt of use, it is added in every liter of waste water
Nutritive salt composition is as follows: dipotassium hydrogen phosphate 0.1g/L, potassium dihydrogen phosphate 0.1g/L, magnesium sulfate 0.05g/L, ammonium chloride 0.5g/L,
Sodium bicarbonate 0.1g/L, microelement 15mL.Microelement: ferrous sulfate 0.2g/L, manganese sulfate 0.05g/L, zinc chloride
0.05g/L, calcium chloride 0.05g/L,
Two systems are tamed, and the presetting coke-stove gas waste water of nutritive salt is added, and pH to 8.0 are adjusted with NaOH, to anaerobism system
It intakes in system, controls its additional amount, COD < in the anaerobism cell system to be processed obtained after muddy water original in system dilution
4000mg/L, stirs 50rpm by 25 DEG C of temperature, and dissolved oxygen < 0.5mg/L, COD concentration drops to 1500mg/L hereinafter, standing, takes out
It takes supernatant to drain into aerobic system, system pH sodium hydroxide is modulated 6.5, aeration culture surveys its COD, when in system daily
COD concentration, which drops to 150mg/L or less, to be discharged, and COD removal rate is up to 98.35% or more, other indexs of waste water are not compared with
Improve before processing there has also been apparent.
The biochemical inflow and outflow water quality technology table of table two
Serial number | Project | Raw water quality | Effluent quality |
1 | COD | 5846.67mg/L | < 80mg/L |
2 | BOD | 2653mg/L | < 20mg/L |
3 | NH3-N | 27.13mg/L | < 9mg/L |
4 | SS | 153.19mg/L | < 45mg/L |
5 | pH | 6.5-8.5 | 6.0-8.0 |
Embodiment 3
In methanol industry production, the vinasse being discharged by rectifier bottoms mainly contains methanol, ethyl alcohol, advanced alcohols and aldehydes
And a small amount of long-chain compound, COD content is higher, belongs to high concentrated organic wastewater, the present embodiment abbreviation methanol waste water.
Facultative anaerobic bacteria lactobacillus plant subspecies and Pichia pastoris, additive amount are added into the activated Sludge System of anaerobic pond
For W/V5 ‰, wherein the mass ratio of Pichia pastoris and lactobacillus plantarum plant subspecies is 1:0.8,37 DEG C of outdoor temperature, stirring
After 50rpm, sludge and the bored exposure 1d of microbial inoculum, standing sedimentation 1h discards supernatant liquor,
The methanol waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned anaerobic pond, is made in anaerobism cell system
COD is 3000mg/L, and system pH is adjusted to 8.0 with sodium hydroxide, stirs 50rpm, dissolved oxygen < 0.4mg/L surveys it daily
COD, detects pH, and 2d COD concentration in the system drops to 2000mg/L, and when static 2.5h makes sludge settling, discards supernatant liquor,
It is re-introduced into methanol waste water, steps up inflow, so that anaerobic system has been resistant to COD 6000mg/L, stable water outlet exists within two days
2000mg/L。
Aerobic flora Pichia pastoris, bacillus cereus, Alcaligenes, plant are added into the activated Sludge System of aerobic tank
Lactobacillus plant subspecies and candida tropicalis, microbial inoculum additive amount are W/V5 ‰, wherein Pichia pastoris, bacillus cereus, production
The mass ratio of alkali bacterium, lactobacillus plantarum plant subspecies and candida tropicalis is 3:1:1:0.8:1.5,37 DEG C of temperature, is controlled molten
Oxygen is solved after 4mg/L, sludge and microbial inoculum aeration culture 1d, standing sedimentation 1h discards supernatant liquor,
The methanol waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned aerobic tank, is made in aerobic cell system
COD is 1000mg/L.System pH modulates 6.5 with sodium hydroxide, and aeration culture surveys its COD, when under COD concentration in system daily
When being down to 500mg/L or so, stopping aeration, when static 1.5h, makes sludge settling, and supernatant is discarded, inflow is stepped up,
Aerobic system is set finally to be resistant to COD 2500mg/L, stable water outlet is in 100mg/L within two days.
During above-mentioned domestication twice, use is added in the methanol waste water of nutritive salt, the nutrition being added in every liter of waste water
Salt composition is as follows: dipotassium hydrogen phosphate 0.4g/L, potassium dihydrogen phosphate 0.4g/L, magnesium sulfate 0.1g/L, ammonium chloride 1.0g/L, bicarbonate
Sodium 0.25g/L, microelement 20mL.Microelement: ferrous sulfate 0.5g/L, manganese sulfate 0.1g/L, zinc chloride 0.2g/L, chlorination
Calcium 0.1g/L.
Two systems are tamed, and the presetting methanol waste water of nutritive salt is added, and pH to 8.0 are adjusted with NaOH, into anaerobic system
Water inlet, controls its additional amount, COD < in the anaerobism cell system to be processed obtained after muddy water original in system dilution
6000mg/L, stirs 50rpm by 25 DEG C of temperature, and dissolved oxygen < 0.5mg/L, COD concentration drops to 2000mg/L hereinafter, standing, takes out
It takes supernatant to drain into aerobic system, system pH sodium hydroxide is modulated 8.0, aeration culture surveys its COD, when in system daily
COD concentration, which drops to 100mg/L or less, to be discharged, and COD removal rate is up to 98.9% or more, and other indexs of waste water are not compared with locating
Improve before reason there has also been apparent.
The biochemical inflow and outflow water quality technology table of table three
Serial number | Project | Raw water quality | Effluent quality |
1 | COD | 9240mg/L | < 100mg/L |
2 | BOD | 4158mg/L | < 25mg/L |
3 | NH3-N | 20.15mg/L | < 10mg/L |
4 | SS | 300mg/L | < 55mg/L |
5 | pH | 5.6-8.5 | 6.0-7.5 |
Claims (7)
1. a kind of alcohol-containing type organic sewage dedicated processes microbial inoculum, it is characterised in that: the microbial inoculum includes following microbial inoculum:
Amphimicrobian microbial inoculum is become reconciled oxygen microbial inoculum,
Wherein amphimicrobian microbial inoculum includes the one or two of Pichia pastoris, lactobacillus plantarum plant subspecies;
Aerobic microbial inoculum includes Pichia pastoris, bacillus cereus, acinetobacter calcoaceticus, Alcaligenes, lactobacillus plantarum plant subspecies and heat
One or more with Candida;
Wherein the source of each microbial inoculum is as follows:
Microorganism Pichia pastoris, deposit number: CGMCC NO.16155;
Bacillus cereus, deposit number: CGMCC NO.16151;
Acinetobacter calcoaceticus, deposit number: CGMCC 1.10395;
Alcaligenes, deposit number: CGMCC NO.16158;
Lactobacillus plantarum plant subspecies, deposit number: CGMCC1.2469;
Candida tropicalis, deposit number: CGMCC NO.16156.
2. alcohol-containing type organic sewage dedicated processes microbial inoculum according to claim 1, it is characterised in that: the amphimicrobian
The domestication process of microbial inoculum, the specific steps are as follows:
Amphimicrobian flora is added into the activated Sludge System of anaerobic pond, microbial inoculum additive amount is W/V1-5 ‰, and wherein W is microbial inoculum
Quality, V is basin's effective volume, 25-37 DEG C of temperature, stirs 50rpm, and after sludge and the bored exposure 1-2d of microbial inoculum, standing sedimentation 1h is discarded
Supernatant liquor, then tamed;
Domestication process:
The alcohol-containing type organic waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned anaerobic pond, anaerobic pond system is made
System pH sodium hydroxide is modulated 7.5-8.0, stirs 50rpm, dissolved oxygen < 0.5mg/L, often by COD < 4000mg/L in uniting
It surveys its COD, pH is detected, with sodium hydroxide modulating system pH7.5-8.0;Work as COD concentration in system in 2-3d to drop to
When 2000mg/L, when static 2.5h, makes sludge settling, discards supernatant liquor, is re-introduced into the organic containing alcohols of above-mentioned addition nutritive salt
Object waste water, in order not to allow strain because tolerance incessantly inactivates, the COD concentration in slow raising system, every subsystem COD is improved
2000-4000mg/L, until anaerobic system in strain domestication to tolerable COD concentration be 4000-16000mg/L, stable water outlet
When, anaerobism is drained to the aerobic system tamed.
3. alcohol-containing type organic sewage dedicated processes microbial inoculum according to claim 2, it is characterised in that:
Pichia pastoris and the mass ratio of lactobacillus plantarum plant subspecies are 1:0-1 in amphimicrobian flora.
4. alcohol-containing type organic sewage dedicated processes microbial inoculum according to claim 1, it is characterised in that: the aerobic microbial inoculum
Domestication process, the specific steps are as follows:
Aerobic flora is added into the activated Sludge System of aerobic tank, microbial inoculum additive amount is W/V1-5 ‰, 25-37 DEG C of temperature, is controlled
After 2-5mg/L, sludge and microbial inoculum aeration culture 1-2d, standing sedimentation 1h discards supernatant liquor, then carries out tame and docile dissolved oxygen processed
Change;
Domestication process: the alcohol-containing type organic waste water that nutritive salt is added is added in the activated Sludge System of above-mentioned aerobic tank,
Make COD < 1000mg/L in aerobic cell system, system pH sodium hydroxide is modulated into 6.0-7.0, aeration culture surveys it daily
COD stops aeration when COD concentration drops to 500mg/L or so in system, and when static 1.5h makes sludge settling, discards upper layer
The stillness of night is re-introduced into the alcohol-containing type organic waste water of above-mentioned addition nutritive salt, in order not to allow strain because tolerance incessantly inactivates, slowly
COD concentration in raising system, every subsystem COD improve 200-500mg/L, when in aerobic system strain domestication to can tolerate
COD concentration is 2000mg/L or so, and when stable water outlet, is subjected to anaerobic effluent.
5. alcohol-containing type organic sewage dedicated processes microbial inoculum according to claim 4, it is characterised in that:
Pichia pastoris in the aerobic microbial inoculum, bacillus cereus, acinetobacter calcoaceticus, Alcaligenes, lactobacillus plantarum plant subspecies and
Mass ratio between candida tropicalis is 2-3:1-2:0-1:0-1:0-0.8:0-1.5.
6. a kind of processing method of alcohol-containing type organic sewage, which is characterized in that using alcohol-containing type organic described in claim 1
Sewage dedicated processes microbial inoculum is handled, and steps are as follows:
After microbial inoculum domestication completion is up to standard, the presetting alcohol-containing type organic waste water of nutritive salt is added, adjusts pH to 7.5-8.0 with NaOH,
It intakes into anaerobic system, makes COD < 16000mg/L in anaerobism cell system, 25-37 DEG C of temperature, stir 50rpm, dissolved oxygen <
0.5mg/L surveys its COD daily, and COD concentration drops to 4000-2000mg/L hereinafter, standing, and extracts supernatant and drains into aerobic system
System pH sodium hydroxide is modulated 6.0-7.0 by system, and aeration culture surveys its COD, when COD concentration drops in system daily
200mg/L or less can be discharged.
7. according to alcohol-containing type organic sewage dedicated processes microbial inoculum described in claim 2 or 4 or 6, it is characterised in that: battalion is added
In the alcohol-containing type organic waste water for supporting salt, the nutritive salt composition being added in every liter of waste water is as follows: dipotassium hydrogen phosphate 0.05-0.4g/
L, potassium dihydrogen phosphate 0.05-0.4g/L, magnesium sulfate 0.0125-0.1g/L, ammonium chloride 0.125-1.0g/L, sodium bicarbonate 0.031-
0.25g/L, microelement 10-20mL/L, the microelement composition: ferrous sulfate 0.0625-0.5g/L, manganese sulfate
0.0125-0.1g/L, zinc chloride 0.025-0.2g/L, calcium chloride 0.0125-0.1g/L.
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