CN108946929A - A kind of enriched medium for acclimated activated sludge - Google Patents
A kind of enriched medium for acclimated activated sludge Download PDFInfo
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- CN108946929A CN108946929A CN201810792568.XA CN201810792568A CN108946929A CN 108946929 A CN108946929 A CN 108946929A CN 201810792568 A CN201810792568 A CN 201810792568A CN 108946929 A CN108946929 A CN 108946929A
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- activated sludge
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/301—Detergents, surfactants
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
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Abstract
The present invention relates to a kind of enriched medium for acclimated activated sludge, the component including following concentration: beef extract 0.5-3 g/l, peptone 0.5~2g/l, KH2PO4 0.2~1g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~20mg/l, Mg2+ 50~100mg/l, Mn2+30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are water.The enriched medium fertilizer efficiency duration of the present invention is long, and raw material is easy to get, low in cost.Flora in the activated sludge of daily use chemicals cleaning product manufacturer sewage treatment mouth has stronger patience, slow growth, and enriched medium of the present invention can be improved the number of viable in activated sludge, shorten its growth cycle.
Description
Technical field
A kind of enriched medium for acclimated activated sludge of the present invention, belongs to technical field of waste treatment.
Background technique
Daily use chemicals detergent is household chemicals inseparable in people's daily life, and the application of detergent improves people
Quality of life, China's detergent industry develops comparatively fast in recent years, and yield increases year by year, while expired overstock of business inventory is washed
It is also increasing to wash agent product volume, how to handle and most of daily use chemicals manufacturing enterprises is caused to perplex, be current daily chemical industry urgently
It solves the problems, such as.
Under the overall background of the marketization, expired or overstocked commodities are handled, because daily use chemicals cleaning product is inherently
Containing a large amount of organic carbons, underground water can be impacted by carrying out landfill or emission treatment.And harmless biological processing just become can
The only way of sustainable development, therefore this technology is by tamed strain and screening, using the organic carbon in detergent as carbon source,
Using the degradation technique of microorganism, so that organic carbon constituents such as surfactant, macromolecular chelating agent in detergent is degraded, reach
National emission standard, and associated byproducts are obtained, realize the harmless treatment of expired daily use chemicals detergent product.
Summary of the invention
To solve the shortcomings of the prior art, the invention discloses a kind of enrichment cultures for acclimated activated sludge
Base, the culture medium fertilizer efficiency duration is long, and raw material is easy to get, low in cost.
Technical scheme is as follows:
A kind of expired daily use chemicals cleaning product method for innocent treatment, includes the following steps:
A. mix: by expired daily use chemicals cleaning product liquid charging stock and urea, by expired daily use chemicals cleaning product liquid charging stock and urea,
Fe2+, Mg2+, Mn2+, Co2+, Ni2+, B family vitamin and water are uniformly mixed, mixture are made, so that each ingredient in the mixture
Concentration are as follows: 20~30g/l of expired daily use chemicals cleaning product, urea 5~15g/l, Fe2+5~12mg/l, Mg2+1~5mg/l, Mn2+3
~8mg/l, Co2+40~60mg/l, Ni2+10~20mg/l, 1~5mg/l of B family vitamin；
B. composite flora is added to be inoculated with mixture, so that composite flora concentration is 60~200g/l in the mixture,
Using deflector type zymotechnique, at a temperature of 30-37 DEG C, ferment 5~10 days；
The composite flora includes: the activated sludge 35~50% after domestication, and photosynthetic bacteria 5~10%, methane backeria 20%~30% is withered
Careless bacillus 5%~15%, Trichoderma 5~15%；
C. ferment generation biogas slurry enter settling tank carry out sedimentation separation, supernatant direct emission, biogas residue conduct after drying
The devil liquor recovery of bio-bacterial manure, purifying column uses；
D. ferment the biogas product of generation, pressurizes after purifying column purifies, into gas storage tower, compression, and transport or directly
It uses.
The daily use chemicals cleaning product raw material be solid when, to solid material be crushed rehydration dissolution after, then with urea, Fe2+,
Mg2+, Mn2+, Co2+, Ni2+, B family vitamin and water be uniformly mixed, mixture is made.
The Fe2+, Mg2+, Mn2+, Co2+, Ni2+Addition form be Fe, Mg, Mn, Co, the chloride or sulphur of Ni element
Hydrochlorate.
It is stirred continuously in the fermentation process, and the defoaming agent of 10~50mg/l is added, generated in elimination fermentation process
Foam.
Deamination, carbon dioxide removal, desulfurization and dewatering unit are equipped in the purifying column.
The activated sludge acclimatization method are as follows: take the activated sludge 100- of daily use chemicals cleaning product manufacturer sewage treatment mouth
90~150ml enriched medium is added in 300ml, and culture solution is made in the detergent product of 4-8g, after sealing, by the culture solution
Domestication is cultivated under the conditions of 35~37 DEG C, domestication is divided into 4~6 stages progress, acclimation period 4~6 weeks, daily use chemicals is gradually increased and wash
Wash influence of the products material to activated sludge；The additive amount of the enriched medium gradually halves, and the detergent product adds
Dosage gradually increases, and increases 0.5-2g every time；Last time only adds detergent, does not add enriched medium, until finally making
Daily use chemicals cleaning product additive amount in system reaches 30 ± 2g/l, continues culture 7~10 days, until total organic carbon contains in culture solution
Amount is lower than 20mg/l, i.e. domestication is complete；Medium centrifugal is separated, liquid is discarded supernatant, lower layer is the activated sludge after domestication.
Activated sludge water content after the domestication is 40%-60%.
The measurement of the organic carbon content uses non-dispersive infrared line absorption method.
The enriched medium includes the ingredient of following ratio: beef extract 0.5-3 g/l, 0.5~2g/l of peptone,
KH2PO4 0.2~1 g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~20mg/l, Mg2+ 50~100mg/l, Mn2 +30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are water.
The biogas output can reach every kilogram of detergent and generate methane quantity 10-220L, and the biogas slurry passes through sedimentation separation
Total content of organic carbon is lower than 20mg/l in supernatant afterwards, other indexs reach the first discharge standard of GB8978-96.
Compared with the prior art, the invention has the following beneficial effects:
(1) present invention, using the organic carbon in detergent as carbon source, utilizes the degradation of microorganism by tamed strain and screening
Technology makes total organic carbon such as surfactant, macromolecular chelating agent in detergent degrade, reaches national emission standard, and obtain
Associated byproducts are obtained, realize the harmless treatment of expired daily use chemicals detergent product.
(2) deflector type zymotechnique increases the residence time of expired detergent in the fermenter, improves material processing
Efficiency；It is stirred continuously in fermentation process, and defoaming agent is added, eliminate the foam generated in fermentation process.
(3) ferment complete biogas slurry, carry out sedimentation separation into settling tank, supernatant can direct emission, biogas residue is through overdrying
It can be used as bio-bacterial manure after dry, realize cleaning product harmless treatment；The waste liquid main component of purifying column is neutral salt solution, can
Recycling uses.Biogas output can reach every kilogram of detergent 10-220L, and biogas slurry is total organic in the supernatant after sedimentation separation
Carbon content is lower than 20mg/l, other indexs reach the first discharge standard of GB8978-96.
(4) influence of the daily use chemicals cleaning product raw material to activated sludge is gradually increased in the acclimation method of activated sludge of the present invention,
So that strain is gradually adapted to the growth and breeding in daily use chemicals cleaning product, greatly shortens culture and the domestication time of activated sludge, tame and docile
Activated sludge after change has good tolerance, can ferment for a long time, reduce expired daily use chemicals cleaning product harmless treatment
Man power and material's investment in technique.
(5) composite flora of the present invention uses the activated sludge of daily use chemicals cleaning product manufacturer sewage treatment mouth, is tamed and dociled
After change, and cooperate a variety of composite microbial bacterias, various strains cooperate collective effect jointly, improve strain quantity, improve processing effect
Rate, and processing capacity enhances while save the cost.Under composite flora synergistic effect, organic carbon in expired daily use chemicals detergent
Degradation rate reaches 90% or more, and obtains and obtain higher biogas yield, and discharge of wastewater is up to state standards, and realizes daily use chemicals washing
The harmless treatment of agent.
(6) the enriched medium fertilizer efficiency duration of the present invention is long, and raw material is easy to get, low in cost.The production of daily use chemicals cleaning product
Flora in the activated sludge of producer's sewage treatment mouth has stronger patience, slow growth, and in enriched medium of the present invention
The type and proportion of metal ion are targetedly, can to significantly improve the vigor of domestication rate and flora；It can be improved activity
Number of viable in sludge shortens its growth cycle.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for the present invention.
Specific embodiment
The present invention is described in further detail with attached drawing combined with specific embodiments below, but protection model of the invention
It encloses and is not limited to these examples, it is all that protection of the invention is included in without departing substantially from the change of present inventive concept or equivalent substitute
Within the scope of.
Embodiment 1
Selected cleaning product is the mixed liquor of liquid detergent, shampoo, shower cream, and wherein ratio is liquid detergent: shampoo: shower cream
=2:1:1.
The domestication of activated sludge:
The activated sludge 150ml of the cleaning product manufacturer sewage treatment mouth is taken, is cleaned 2 times, and be centrifugated, 1L is moved into
In triangular flask, the detergent product of 150ml enriched medium and 6.00g is added, suspending nutrient solution is made, in 37 DEG C of items after sealing
It is cultivated under part, after culture 7 days, detects organic carbon content in culture solution daily, when organic carbon content is brought down below 20mg/l, this is trained
The feeding stage terminates, and adds an enriched medium and detergent product, exhaust, continues the culture domestication of next stage；The richness
Collection culture medium additive amount gradually halves, and the amount of detergent is by every time than preceding primary increase 1.00g addition；Last time only wash by addition
Agent is washed, no longer addition enriched medium, so that system detergent total addition level is reached 30g/l, cultivate 7~10 days, until degradation solution
Middle total content of organic carbon is lower than 20mg/l, i.e. domestication is complete；
Separation: medium centrifugal is separated, and discards supernatant liquid, and lower layer is the activated sludge after domestication；
Activated sludge water content after the domestication is 40%-60%.
The measurement of the organic carbon content uses non-dispersive infrared line absorption method.
The enriched medium includes the component of following concentration: beef extract 0.5-3 g/l, 0.5~2g/l of peptone,
KH2PO4 0.2~1 g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~20mg/l, Mg2+ 50~100mg/l, Mn2 +30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are water.
Prepare composite flora: activated sludge, photosynthetic bacteria, methane backeria, bacillus subtilis, Trichoderma after taking domestication,
It is uniformly mixed, is configured to composite flora, so that including the activated sludge 40% after domestication, photosynthetic bacteria 10%, first in composite flora
Alkane bacterium 30%, bacillus subtilis 10%, Trichoderma 10%.
Expired daily use chemicals cleaning product harmless treatment:
A. it mixes: by expired cleaning product, urea, Fe2+, Mg2+, Mn2+, Co2+, Ni2+Chloride or sulfate, B race dimension life
Element is uniformly mixed, and adds water to 10L, and mixture is made, and concentration of the cleaning product in mixture is 30g/l.
Urea concentration in mixture is 10g/l；The Fe2+, Mg2+, Mn2+, Co2+, Ni2+Concentration is in mixture
Fe2+8mg/l, Mg2+4mg/l, Mn2+8mg/l, Co2+60mg/l, Ni2+12mg/l, B family vitamin concentration in mixture
For 3mg/l.
B. composite flora is added to be inoculated with mixture, ferment；So that composite flora concentration is in the mixture
100g/l；
The fermentation is deflector type zymotechnique, and condition is 35 DEG C of temperature, and the time is 7 days, until fermentation is completely, in fermentation process
It is stirred continuously, and the defoaming agent of 15mg/l is added, eliminate the foam generated in fermentation process；
C. ferment complete biogas slurry, carry out sedimentation separation into settling tank, supernatant can direct emission, biogas residue can after drying
As bio-bacterial manure, cleaning product harmless treatment is realized；The waste liquid main component of purifying column is neutral salt solution, recyclable to make
With；
D. fermenting, that deamination, carbon dioxide removal, desulfurization and dehydration are equipped with by purifying column, in purifying column is single for the biogas product of generation
Member, enters purifying column after biogas pressurization, after removing ammonia, carbon dioxide, hydrogen sulfide, sulfurous gas and moisture, into gas storage tower,
After overcompression, it can transport or directly use；The nitrogen source is urea, and concentration is 5~15g/l in mixture.
The biogas can reach every kilogram of detergent and generate methane quantity 10-220L, and the biogas slurry is after sedimentation separation
Total content of organic carbon is lower than 20mg/l in supernatant, other indexs reach the first discharge standard of GB8978-96.
Embodiment 2
Selected cleaning product is liquid detergent.
The domestication of activated sludge:
The activated sludge 100ml of the liquid detergent manufacturer sewage treatment mouth is taken, is cleaned 3 times, and be centrifugated, 1L tri- is moved into
In the bottle of angle, the detergent product of 90ml enriched medium and 7.00g is added, suspending nutrient solution is made, in 35 DEG C of conditions after sealing
Lower culture, domestication are divided into 4 stages progress and detect organic carbon content in culture solution daily after culture 7 days, work as organic carbon content
It is brought down below 20mg/l, this cultivation stage terminates, and adds an enriched medium and detergent product, is vented, continues lower single order
The culture domestication of section；The enriched medium additive amount gradually halves, and the amount of detergent than preceding primary increase 0.50g by adding every time
Add；Last time only adds detergent, no longer addition enriched medium, so that system detergent total addition level is reached 32g/l, cultivates
7~10 days, until total content of organic carbon is lower than 20mg/l in degradation solution, i.e. domestication was complete；
Separation: medium centrifugal is separated, and discards supernatant liquid, and lower layer is the activated sludge after domestication；
Activated sludge water content after the domestication is 40%-60%.
The measurement of the organic carbon content uses non-dispersive infrared line absorption method.
The enriched medium includes the component of following concentration: beef extract 0.5-3 g/l, 0.5~2g/l of peptone,
KH2PO4 0.2~1 g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~20mg/l, Mg2+ 50~100mg/l, Mn2 +30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are water.
Prepare composite flora: activated sludge, photosynthetic bacteria, methane backeria, bacillus subtilis, Trichoderma after taking domestication,
It is uniformly mixed, is configured to composite flora, so that including the activated sludge 40% after domestication, photosynthetic bacteria 5%, methane in composite flora
Bacterium 30%, bacillus subtilis 15%, Trichoderma 10%.
Expired daily use chemicals cleaning product harmless treatment:
A. it mixes: by expired cleaning product, urea, Fe2+, Mg2+, Mn2+, Co2+, Ni2+Chloride or sulfate, B race dimension life
Element is uniformly mixed, and adds water to 10L, and mixture is made, and concentration of the cleaning product in mixture is 30g/l.
Urea concentration in mixture is 10g/l；The Fe2+, Mg2+, Mn2+, Co2+, Ni2+Concentration is in mixture
Fe2+8mg/l, Mg2+4mg/l, Mn2+8mg/l, Co2+60mg/l, Ni2+12mg/l, B family vitamin concentration in mixture
For 3mg/l.
B. composite flora is added to be inoculated with mixture, ferment；So that composite flora concentration is in the mixture
100g/l；
The fermentation is deflector type zymotechnique, and condition is 35 DEG C of temperature, and the time is 7 days, until fermentation is completely, in fermentation process
It is stirred continuously, and the defoaming agent of 20mg/l is added, eliminate the foam generated in fermentation process；
A kind of expired daily use chemicals cleaning product method for innocent treatment, includes the following steps:
A. it mixes: by liquid detergent, urea, Fe2+, Mg2+, Mn2+, Co2+, Ni2+Chloride or sulfate, B family vitamin mixing
Uniformly, 10L is added water to, mixture is made, expired liquid detergent concentration is 20g/l in the mixture.
Urea concentration in mixture is 5g/l；The Fe2+, Mg2+, Mn2+, Co2+, Ni2+Concentration is in mixture
Fe2+5mg/l, Mg2+1mg/l, Mn2+3mg/l, Co2+40mg/l, Ni2+10mg/l, B family vitamin concentration in mixture
For 1mg/l.
B. composite flora is added to be inoculated with mixture, ferment；So that composite flora concentration is in the mixture
60g/l；
The composite flora includes: the activated sludge 40% after domestication, photosynthetic bacteria 5%, methane backeria 30%, bacillus subtilis
15%, Trichoderma 10%.The fermentation is deflector type zymotechnique, and condition is 30 DEG C of temperature, and the time is 5 days, until fermentation is completely,
It is stirred continuously in fermentation process, and the defoaming agent of 10mg/l is added, eliminate the foam generated in fermentation process；
C. ferment complete biogas slurry, carry out sedimentation separation into settling tank, supernatant can direct emission, biogas residue can after drying
As bio-bacterial manure, cleaning product harmless treatment is realized；The waste liquid main component of purifying column is neutral salt solution, recyclable to make
With；
D. fermenting, that deamination, carbon dioxide removal, desulfurization and dehydration are equipped with by purifying column, in purifying column is single for the biogas product of generation
Member, enters purifying column after biogas pressurization, after removing ammonia, carbon dioxide, hydrogen sulfide, sulfurous gas and moisture, into gas storage tower,
After overcompression, it can transport or directly use；The nitrogen source is urea, and concentration is 5~15g/l in mixture.
The biogas can reach every kilogram of detergent and generate methane quantity 10-220L, and the biogas slurry is after sedimentation separation
Total content of organic carbon is lower than 20mg/l in supernatant, other indexs reach the first discharge standard of GB8978-96.
Embodiment 3
Daily use chemicals cleaning product raw material is solid such as washing powder.
The domestication of activated sludge:
The activated sludge 300ml of the washing powder manufacturer sewage treatment mouth is taken, is cleaned 3 times, and be centrifugated, 1L tri- is moved into
In the bottle of angle, the detergent product of 150ml enriched medium and 5.00g is added, suspending nutrient solution is made, in 36 DEG C of conditions after sealing
Lower culture detects organic carbon content in culture solution after culture 7 days daily, and when organic carbon content is brought down below 20mg/l, this is cultivated
Stage terminates, and adds an enriched medium and detergent product, exhaust, continues the culture domestication of next stage；The enrichment
Culture medium additive amount gradually halves, and the amount of detergent is by every time than preceding primary increase 2.00g addition；Last time only addition washing
Agent, no longer addition enriched medium, make system detergent total addition level reach 32g/l, cultivate 7~10 days, until in degradation solution
Total content of organic carbon is lower than 20mg/l, i.e. domestication is complete；
Separation: medium centrifugal is separated, and discards supernatant liquid, and lower layer is the activated sludge after domestication；
Activated sludge water content after the domestication is 40%-60%.
The measurement of the organic carbon content uses non-dispersive infrared line absorption method.
The enriched medium includes the component of following concentration: beef extract 0.5-3 g/l, 0.5~2g/l of peptone,
KH2PO4 0.2~1 g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~20mg/l, Mg2+ 50~100mg/l, Mn2 +30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are water.
Prepare composite flora: activated sludge, photosynthetic bacteria, methane backeria, bacillus subtilis, Trichoderma after taking domestication,
It is uniformly mixed, is configured to composite flora, so that including the activated sludge 50% after domestication, photosynthetic bacteria 10%, first in composite flora
Alkane bacterium 30%, bacillus subtilis 5%, Trichoderma 5%.
Expired daily use chemicals cleaning product method for innocent treatment, includes the following steps:
A. it mixes: after the dissolution of washing powder rehydration, with urea, Fe2+, Mg2+, Mn2+, Co2+, Ni2+Chloride or sulfate, B
Family vitamin is uniformly mixed, and adds water to 10L, mixture is made, and expired washing powder concentration is 30g/l in the mixture；
Urea concentration in mixture is 15g/l；The Fe2+, Mg2+, Mn2+, Co2+, Ni2+Concentration is Fe in mixture2+
12mg/l, Mg2+5mg/l, Mn2+8mg/l, Co2+60mg/l, Ni2+20mg/l, B family vitamin concentration in mixture are
5mg/l。
B. composite flora is added to be inoculated with mixture, ferment；So that composite flora concentration is in the mixture
200g/l；
The composite flora includes: the activated sludge 50% after domestication, photosynthetic bacteria 10%, methane backeria 30%, bacillus subtilis
5%, Trichoderma 5%.The fermentation is deflector type zymotechnique, and condition is 37 DEG C of temperature, and the time is 5~10 days, until having fermented
Entirely, it is stirred continuously in fermentation process, and the defoaming agent of 25mg/l is added, eliminate the foam generated in fermentation process；
C. ferment complete biogas slurry, carry out sedimentation separation into settling tank, supernatant can direct emission, biogas residue can after drying
As bio-bacterial manure, cleaning product harmless treatment is realized；The waste liquid main component of purifying column is neutral salt solution, recyclable to make
With；
D. fermenting, that deamination, carbon dioxide removal, desulfurization and dehydration are equipped with by purifying column, in purifying column is single for the biogas product of generation
Member, enters purifying column after biogas pressurization, after removing ammonia, carbon dioxide, hydrogen sulfide, sulfurous gas and moisture, into gas storage tower,
After overcompression, it can transport or directly use；
The biogas can reach every kilogram of detergent and generate methane quantity 10-220L, supernatant of the biogas slurry after sedimentation separation
Total content of organic carbon is lower than 20mg/l in liquid, other indexs reach the first discharge standard of GB8978-96.
Embodiment 4
When the daily use chemicals cleaning product raw material is solid such as soap, a kind of expired daily use chemicals cleaning product harmless treatment side of the present invention
Method includes the following steps:
A. mix: by expired soap be crushed rehydration dissolution after, then with Fe2+, Mg2+, Mn2+, Co2+, Ni2+Chloride or sulfuric acid
Salt, B family vitamin are uniformly mixed, and add water to 10L, mixture is made,
Urea concentration in mixture is 15g/l；The Fe2+, Mg2+, Mn2+, Co2+, Ni2+Concentration is Fe in mixture2+
8mg/l, Mg2+3mg/l, Mn2+5mg/l, Co2+50mg/l, Ni2+15mg/l, B family vitamin concentration in mixture are
3mg/l, expired soap concentration is 25g/l in the mixture.
B. composite flora is added to be inoculated with mixture, ferment；So that composite flora concentration is in the mixture
150g/l；
The composite flora includes: the activated sludge 45% after domestication, photosynthetic bacteria 8%, methane backeria 27%, bacillus subtilis
13%, Trichoderma 7%.The fermentation is deflector type zymotechnique, and condition is 33 DEG C of temperature, and the time is 5~10 days, until having fermented
Entirely, it is stirred continuously in fermentation process, and the defoaming agent of 50mg/l is added, eliminate the foam generated in fermentation process；
The activated sludge acclimatization method are as follows: specifically: take the activity of 200ml daily use chemicals cleaning product manufacturer sewage treatment mouth
Sludge is added in 1L triangular flask, and 120ml enriched medium is added, cultivates, tames under the conditions of 36 DEG C after the soap sealing of 5g
It is divided into 5 stages progress, acclimation period 5 weeks, continued to add enriched medium every 8 days, additive amount gradually reduces, synchronous to improve
The additive amount of soap, last time only add soap, no longer addition culture medium, and system detergent additive amount is finally made to reach 28g/
l；Until total content of organic carbon is lower than 20mg/l in degradation solution, i.e. domestication completely, degradation solution is centrifugated, is discarded supernatant for culture
Liquid, lower layer are the activated sludge after domestication.
Activated sludge water content after the domestication is 40%-60%.
The measurement of the organic carbon content uses non-dispersive infrared line absorption method.
The enriched medium includes the component of following concentration: beef extract 0.5-3 g/l, 0.5~2g/l of peptone,
KH2PO4 0.2~1 g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~20mg/l, Mg2+ 50~100mg/l, Mn2 +30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are water.
C. ferment complete biogas slurry, carry out sedimentation separation into settling tank, supernatant can direct emission, biogas residue passes through drying
After can be used as bio-bacterial manure, realize cleaning product harmless treatment；The waste liquid main component of purifying column is neutral salt solution, can be returned
It receives and uses；
D. fermenting, that deamination, carbon dioxide removal, desulfurization and dehydration are equipped with by purifying column, in purifying column is single for the biogas product of generation
Member, enters purifying column after biogas pressurization, after removing ammonia, carbon dioxide, hydrogen sulfide, sulfurous gas and moisture, into gas storage tower,
After overcompression, it can transport or directly use；
The biogas can reach every kilogram of detergent and generate methane quantity 10-220L, supernatant of the biogas slurry after sedimentation separation
Total content of organic carbon is lower than 20mg/l in liquid, other indexs reach the first discharge standard of GB8978-96.
Embodiment 5
Composite flora embodiment
A kind of composite flora for daily use chemicals cleaning product harmless treatment, comprising: the activated sludge 35% after domestication is photosynthetic thin
Bacterium 10%, methane backeria 30%, bacillus subtilis 10%, Trichoderma 15%.
Embodiment 6
Composite flora embodiment
A kind of composite flora for daily use chemicals cleaning product harmless treatment, comprising: the activated sludge 50% after domestication is photosynthetic thin
Bacterium 7%, methane backeria 25%, bacillus subtilis 8%, Trichoderma 10%.
Embodiment 7
Enriched medium embodiment
The enriched medium includes the component of following concentration: beef extract 0.5g/l, peptone 0.5g/l, KH2PO4 0.2g/l,
Na2HPO4•12H2O 0.01g/l, Fe2+10mg/l, Mg2+50mg/l, Mn2+30mg/l, Co2+80mg/l, Na2SeO31mg/l,
Surplus is water.
Embodiment 8
Enriched medium embodiment
The enriched medium includes the component of following concentration: 3 g/l of beef extract, peptone 2g/l, KH2PO4 1g/l,
Na2HPO4•12H2O 1.5g/l, Fe2+20mg/l, Mg2+100mg/l, Mn2+80mg/l, Co2+200mg/l, Na2SeO310mg/
L, surplus are water.
Embodiment 9
Enriched medium embodiment
The enriched medium includes the component of following concentration: 2 g/l of beef extract, peptone 1g/l, KH2PO4 0.5g/l,
Na2HPO4•12H2O 1.0g/l, Fe2+15mg/l, Mg2+ 80mg/l, Mn2+50mg/l, Co2+150mg/l, Na2SeO36mg/l,
Surplus is water.
The present invention is not limited by embodiment illustrated herein, and is to fit to and principles disclosed herein and novelty
The consistent widest range of feature.
Claims (3)
1. a kind of enriched medium for acclimated activated sludge, which is characterized in that the component including following concentration: beef extract
0.5-3 g/l, peptone 0.5~2g/l, KH2PO4 0.2~1g/l, Na2HPO4•12H2O 0.01~1.5g/l, Fe2+10~
20mg/l, Mg2+ 50~100mg/l, Mn2+30~80mg/l, Co2+80~200mg/l, Na2SeO31~10mg/l, surplus are
Water.
2. a kind of enriched medium for acclimated activated sludge as described in claim 1, which is characterized in that including following dense
The component of degree: beef extract 2g/l, peptone 1g/l, KH2PO4 0.6g/l, Na2HPO4•12H2O 1g/l, Fe2+15mg/l, Mg2+
80mg/l, Mn2+50mg/l, Co2+100mg/l, Na2SeO35mg/l, surplus are water.
3. a kind of enriched medium for acclimated activated sludge as described in claim 1, which is characterized in that the Fe2+,
Mg2+, Mn2+, Co2+, Ni2+Addition form be Fe, Mg, Mn, Co, the chloride or sulfate of Ni element.
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Cited By (1)
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