CN110127855A - A kind of enhanced biological deamination technique of novel biogas slurry advanced treating - Google Patents
A kind of enhanced biological deamination technique of novel biogas slurry advanced treating Download PDFInfo
- Publication number
- CN110127855A CN110127855A CN201910383579.7A CN201910383579A CN110127855A CN 110127855 A CN110127855 A CN 110127855A CN 201910383579 A CN201910383579 A CN 201910383579A CN 110127855 A CN110127855 A CN 110127855A
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- CN
- China
- Prior art keywords
- biogas slurry
- microorganism
- advanced treating
- composite drug
- enhanced biological
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000002002 slurry Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000006481 deamination reaction Methods 0.000 title claims abstract description 37
- 239000003814 drug Substances 0.000 claims abstract description 99
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000002131 composite material Substances 0.000 claims abstract description 76
- 229940079593 drugs Drugs 0.000 claims abstract description 71
- 239000010802 sludge Substances 0.000 claims abstract description 38
- 206010042602 Supraventricular extrasystoles Diseases 0.000 claims description 46
- 229940099596 manganese sulfate Drugs 0.000 claims description 34
- 235000007079 manganese sulphate Nutrition 0.000 claims description 34
- 239000011702 manganese sulphate Substances 0.000 claims description 34
- ISPYRSDWRDQNSW-UHFFFAOYSA-L manganese(II) sulfate monohydrate Chemical compound O.[Mn+2].[O-]S([O-])(=O)=O ISPYRSDWRDQNSW-UHFFFAOYSA-L 0.000 claims description 34
- VSGNNIFQASZAOI-UHFFFAOYSA-L Calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 claims description 28
- 229960005147 calcium acetate Drugs 0.000 claims description 28
- 235000011092 calcium acetate Nutrition 0.000 claims description 28
- 239000001639 calcium acetate Substances 0.000 claims description 28
- 229910052760 oxygen Inorganic materials 0.000 claims description 28
- 239000001301 oxygen Substances 0.000 claims description 28
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 57
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 abstract description 40
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 6
- 239000003895 organic fertilizer Substances 0.000 abstract description 3
- 244000005700 microbiome Species 0.000 description 71
- 229910052799 carbon Inorganic materials 0.000 description 28
- 241000108664 Nitrobacteria Species 0.000 description 24
- 230000001488 breeding Effects 0.000 description 14
- 239000002028 Biomass Substances 0.000 description 13
- 239000003344 environmental pollutant Substances 0.000 description 13
- 231100000719 pollutant Toxicity 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000003610 charcoal Substances 0.000 description 10
- 238000000746 purification Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 6
- 230000000813 microbial Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000001737 promoting Effects 0.000 description 6
- 230000001603 reducing Effects 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 3
- 230000000857 drug effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The present invention discloses a kind of enhanced biological deamination technique of novel biogas slurry advanced treating, the deamination technique are as follows: deammonification tank is arranged in the front end of entire biogas slurry biochemical treatment, adds composite drug and Powdered Activated Carbon in deammonification tank.Solve the problems, such as that high ammonia nitrogen biogas slurry biochemistry deamination effect is poor, biogas slurry pretreatment is big, more using chemical agent type with dosage, the operating process of configuration medicament is cumbersome, chemical sludge can not produce organic fertilizer.
Description
Technical field
The present invention relates to biogas slurry treatment technical field more particularly to a kind of enhanced biological deaminations of novel biogas slurry advanced treating
Technique.
Background technique
Animal farm wastewater is a kind of complicated component, rich in organic matter, nitrogen, phosphorus high concentrated organic wastewater, to breeding wastewater
Processing be usually using first carry out anaerobic fermentation form, anaerobic fermentation generate biogas slurry be still a kind of high-concentration waste
Water, needing to be further processed could discharge.Biogas slurry passes through the fermentation of a couple of days, and greatly biochemical organic matter is depleted,
Its B/C < 0.3, especially ammonia-nitrogen content is higher, and up to 300-900mg/L, ammonia nitrogen in high density can inhibit the activity of microorganism, reduces
The effect of subsequent biogas slurry Aerobic Process for Treatment.In order to reduce influence of the ammonia nitrogen in high density to biochemical reaction, mostly use at biochemistry at present
It is pre-processed before reason, reduces ammonia nitrogen concentration and carry out biochemical treatment again later.
Existing pretreatment is usually the method using materialization, by adding medicament and combining other materialization means to high ammonia
Nitrogen biogas slurry is handled, and mainly dosage is big the treatment process the problem of, configuration more using chemical agent type
The operating process of medicament is cumbersome, chemical sludge can not produce organic fertilizer.
Summary of the invention
In view of this, this application provides a kind of preposition biological deamination technique [Enhanced of novel biogas slurry advanced treating
Biological ammonia removal treatment process (EBTP)], solve high ammonia nitrogen biogas slurry biochemistry deamination
Effect is poor, biological treatment effect is bad, the pretreatment of biogas slurry is big, more using chemical agent type with dosage, configuration
The problem of operating process of medicament is cumbersome, chemical sludge can not produce organic fertilizer.
Technical solution provided by the invention is a kind of enhanced biological deamination technique of novel biogas slurry advanced treating, the deamination
Technique are as follows: deammonification tank is set in the front end of entire biogas slurry biochemical treatment, adds composite drug and Powdered Activated Carbon in deammonification tank.
Technical principle and process for using: technical staff configure composite drug, wherein composite drug be manganese sulfate, calcium acetate,
The mixture that PAC is formed, technical staff are proportionally added into manganese sulfate, calcium acetate, PAC mixing in composite drug dispensing containers
Composite drug to be used is needed in the even deamination technique that the application can be obtained；After medicament configuration finishes, under aerobic condition,
According to the treating capacity of biogas slurry in deammonification tank, it is proportionally added into composite drug and Powdered Activated Carbon, excitation can be played and is improved
The effect of microbial activity mainly improves the activity of nitrobacteria, reaches nitrobacteria to the processing of ammonia nitrogen in biogas slurry
Better effect provides good reaction condition for subsequent processing system；The Powdered Activated Carbon of addition adsorbs in aerobic tank
Sludge can form biomembrane in the hole of active carbon and surface, increase the biomass of unit area, while the adsorbable water of active carbon
In pollutant and dissolved oxygen, the contact conducive to microorganism with polluter, and improve the coefficient of oxygen utilization of microorganism, while micro- life
Object is attached to hole and the surface of active carbon, not easily runs off under conditions of active carbon is carried out and effectively being intercepted, can increase sludge
In age, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to the breeding of the quasi-microorganism, increases
Add its quantity.
The manganese element in the manganese sulfate in composite drug has the function of promoting to microorganism simultaneously, and then reaches better
Remove the effect of ammonia nitrogen.
The PAC being added in composite drug simultaneously, i.e. aluminium polychloride, PAC can play in the reaction cohesion microorganism and
It is catalyzed the effect of medicament, increases the time of contact of the two, is conducive to the efficient utilization of medicament, in addition, PAC can improve sludge
Coherency promotes the formation of mud granule, improves sludge settling property.
Compared with traditional biogas slurry treatment technique, the application is by being arranged deamination in the front end of entire biogas slurry biochemical treatment
Pond promotes removal of the microorganism to ammonia nitrogen by adding composite drug and Powdered Activated Carbon into deammonification tank, reduces in biogas slurry
Ammonia nitrogen concentration, provide good condition for the subsequent processing of biogas slurry, keep the treatment and purification effect of biogas slurry more preferable；This Shen simultaneously
Please used in composite drug type it is few, usage amount is smaller, and cost is relatively low；The powdered active carbon being added simultaneously is on the one hand at it
Hole and surface form biomembrane, increase the biomass of unit area, adsorb pollutant and dissolved oxygen in water, are conducive to microorganism
Contact with polluter improves the coefficient of oxygen utilization of microorganism, and another aspect microorganism is attached to hole and the surface of active carbon,
It is not easily runed off under conditions of effective intercept, sludge age can be increased, microorganism longer for some generation cycles is (as thin in nitrified
Bacterium) it is particularly important, be conducive to the breeding of the quasi-microorganism, increase its quantity, and then makes its drop to the ammonia nitrogen concentration in biogas slurry
Inefficient fruit is more preferable.
Further, the dissolved oxygen in the deammonification tank is not less than 2mg/L.
Further, the sludge concentration in the deammonification tank is not less than 4000mg/L.
Further, the composite drug includes the mixture formed by manganese sulfate, calcium acetate, PAC.
Further, as mass fraction, the manganese sulfate is 89-91%, and the calcium acetate is 8-9%, the PAC
For 1-2%.
Further, as mass fraction, the manganese sulfate is 90%, and the calcium acetate is 9%, and the PAC is
1%.
Further, biogas slurry residence time in deammonification tank is 48h.
Further, the composite drug is configured to add after solution.The application is molten by the way that composite drug to be configured to
It is added again after liquid, is uniformly mixed each component in composite drug, drug effect is more preferable, and treatment effect is more preferable.
Further, it is provided with sedimentation basin after the deammonification tank, is connected with dirt between the deammonification tank and the sedimentation basin
Mud return pipe.By the way that sedimentation basin is arranged after deammonification tank, by sludge reflux, the spy of the microbiologic population in deammonification tank can be kept
Different property, further improves the pretreating effect of deammonification tank.
Based on above-mentioned elaboration, technical scheme compared with prior art, the beneficial effect is that:
(1) present invention is multiple by adding into deammonification tank by the way that deammonification tank is arranged in the front end of entire biogas slurry biochemical treatment
Medicament and Powdered Activated Carbon are closed to realize the pretreatment to ammonia nitrogen in biogas slurry, reduces the ammonia nitrogen concentration in biogas slurry, for after biogas slurry
Continuous processing provides good condition, keeps the treatment and purification effect of biogas slurry more preferable.
(2) the composite drug type that the present invention uses is few, and usage amount is less, and cost is relatively low.
(3) on the one hand the powdered active carbon that the present invention is added forms biomembrane at its hole and surface, increases unit plane
Long-pending biomass, adsorbs pollutant and dissolved oxygen in water, and the contact conducive to microorganism with polluter improves the oxygen of microorganism
Utilization rate, another aspect microorganism are attached to hole and the surface of active carbon, not easily run off, can increase under conditions of effective intercept
Add sludge age, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to the quasi-microorganism
Breeding, increases its quantity, and then keep it more preferable to the reducing effect of the ammonia nitrogen concentration in biogas slurry.
(4) present invention mixes each component in composite drug by the way that composite drug to be configured to add again after solution
Uniformly, drug effect is more preferable, and treatment effect is more preferable.
(5) present invention, by sludge reflux, can keep the microorganism in deammonification tank by the way that sedimentation basin is arranged after deammonification tank
The particularity of group further improves the pretreating effect of deammonification tank.
Specific embodiment
Embodiment 1
A kind of biogas slurry biology deamination technique, the deamination technique are as follows: in the front end of entire biogas slurry biochemical treatment, deamination is set
Pond adds composite drug in deammonification tank and Powdered Activated Carbon, composite drug includes the mixing formed by manganese sulfate, calcium acetate, PAC
Object, as mass fraction, the manganese sulfate are 89%, and the calcium acetate is 9%, and the PAC is 2%.
Technical staff configures composite drug, the mixture that wherein composite drug is manganese sulfate, calcium acetate, PAC are formed, technology
Personnel, which are proportionally added into manganese sulfate, calcium acetate, PAC in composite drug dispensing containers and are uniformly mixed, can be obtained the de- of the application
Composite drug to be used is needed in ammonia process；After medicament configuration finishes, under aerobic condition, according to the place of biogas slurry in deammonification tank
Reason amount is proportionally added into the treating capacity and Powdered Activated Carbon of composite drug, can play excitation and improve microbial activity
Effect mainly improves the activity of nitrobacteria, so that nitrobacteria is reached better effect to the processing of ammonia nitrogen in biogas slurry, is
Subsequent processing system provides good reaction condition；The Powdered Activated Carbon of addition adsorbs sludge in aerobic tank, can be in activity
The hole of charcoal and surface form biomembrane, increase the biomass of unit area, at the same the pollutant in the adsorbable water of active carbon and
Dissolved oxygen, the contact conducive to microorganism with polluter, and the coefficient of oxygen utilization of microorganism is improved, while microorganism is attached to activity
The hole of charcoal and surface not easily run off under conditions of active carbon is carried out and effectively being intercepted, can increase sludge age, for some generation
It is particularly important for period longer microorganism (such as nitrobacteria), be conducive to the breeding of the quasi-microorganism, increase its quantity.
The manganese element in the manganese sulfate in composite drug has the function of promoting to microorganism simultaneously, and then reaches better
Remove the effect of ammonia nitrogen.
The PAC being added in composite drug simultaneously, i.e. aluminium polychloride, PAC can play in the reaction cohesion microorganism and
It is catalyzed the effect of medicament, increases the time of contact of the two, is conducive to the efficient utilization of medicament, in addition, PAC can improve sludge
Coherency promotes the formation of mud granule, improves sludge settling property.
Implementation result:
The application is by being arranged deammonification tank in the front end of entire biogas slurry biochemical treatment, by adding composite medicine into deammonification tank
Agent and Powdered Activated Carbon promote removal of the microorganism to ammonia nitrogen, reduce the ammonia nitrogen concentration in biogas slurry, are the subsequent processing of biogas slurry
Good condition is provided, keeps the treatment and purification effect of biogas slurry more preferable；Composite drug type used herein simultaneously is few, makes
Dosage is smaller, and cost is relatively low；On the one hand the powdered active carbon being added simultaneously forms biomembrane in its hole and surface, increase single
The biomass of plane product, adsorbs the pollutant and dissolved oxygen in water, and the contact conducive to microorganism with polluter improves microorganism
Coefficient of oxygen utilization, another aspect microorganism is attached to hole and the surface of active carbon, not easily runed off under conditions of effective intercept,
Sludge age can be increased, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to such micro- life
The breeding of object increases its quantity, and then keeps it more preferable to the reducing effect of the ammonia nitrogen concentration in biogas slurry.
Embodiment 2
A kind of biogas slurry biology deamination technique, the deamination technique are as follows: in the front end of entire biogas slurry biochemical treatment, deamination is set
Pond adds composite drug in deammonification tank and Powdered Activated Carbon, composite drug includes the mixing formed by manganese sulfate, calcium acetate, PAC
Object, as mass fraction, the manganese sulfate are 91%, and the calcium acetate is 8%, and the PAC is 1%.
Technical staff configures composite drug, the mixture that wherein composite drug is manganese sulfate, calcium acetate, PAC are formed, technology
Personnel, which are proportionally added into manganese sulfate, calcium acetate, PAC in composite drug dispensing containers and are uniformly mixed, can be obtained the de- of the application
Composite drug to be used is needed in ammonia process；After medicament configuration finishes, under aerobic condition, according to the place of biogas slurry in deammonification tank
Reason amount is proportionally added into the treating capacity and Powdered Activated Carbon of composite drug, can play excitation and improve microbial activity
Effect mainly improves the activity of nitrobacteria, so that nitrobacteria is reached better effect to the processing of ammonia nitrogen in biogas slurry, is
Subsequent processing system provides good reaction condition；The Powdered Activated Carbon of addition adsorbs sludge in aerobic tank, can be in activity
The hole of charcoal and surface form biomembrane, increase the biomass of unit area, at the same the pollutant in the adsorbable water of active carbon and
Dissolved oxygen, the contact conducive to microorganism with polluter, and the coefficient of oxygen utilization of microorganism is improved, while microorganism is attached to activity
The hole of charcoal and surface not easily run off under conditions of active carbon is carried out and effectively being intercepted, can increase sludge age, for some generation
It is particularly important for period longer microorganism (such as nitrobacteria), be conducive to the breeding of the quasi-microorganism, increase its quantity.
The manganese element in the manganese sulfate in composite drug has the function of promoting to microorganism simultaneously, and then reaches better
Remove the effect of ammonia nitrogen.
The PAC being added in composite drug simultaneously, i.e. aluminium polychloride, PAC can play in the reaction cohesion microorganism and
It is catalyzed the effect of medicament, increases the time of contact of the two, is conducive to the efficient utilization of medicament, in addition, PAC can improve sludge
Coherency promotes the formation of mud granule, improves sludge settling property.
Implementation result:
The application is by being arranged deammonification tank in the front end of entire biogas slurry biochemical treatment, by adding composite medicine into deammonification tank
Agent and Powdered Activated Carbon promote removal of the microorganism to ammonia nitrogen, reduce the ammonia nitrogen concentration in biogas slurry, are the subsequent processing of biogas slurry
Good condition is provided, keeps the treatment and purification effect of biogas slurry more preferable；Composite drug type used herein simultaneously is few, makes
Dosage is smaller, and cost is relatively low；On the one hand the powdered active carbon being added simultaneously forms biomembrane in its hole and surface, increase single
The biomass of plane product, adsorbs the pollutant and dissolved oxygen in water, and the contact conducive to microorganism with polluter improves microorganism
Coefficient of oxygen utilization, another aspect microorganism is attached to hole and the surface of active carbon, not easily runed off under conditions of effective intercept,
Sludge age can be increased, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to such micro- life
The breeding of object increases its quantity, and then keeps it more preferable to the reducing effect of the ammonia nitrogen concentration in biogas slurry.
Embodiment 3
A kind of biogas slurry biology deamination technique, the deamination technique are as follows: in the front end of entire biogas slurry biochemical treatment, deamination is set
Pond adds composite drug in deammonification tank and Powdered Activated Carbon, composite drug includes the mixing formed by manganese sulfate, calcium acetate, PAC
Object, as mass fraction, the manganese sulfate are 90%, and the calcium acetate is 9%, and the PAC is 1%.
Technical staff configures composite drug, the mixture that wherein composite drug is manganese sulfate, calcium acetate, PAC are formed, technology
Personnel, which are proportionally added into manganese sulfate, calcium acetate, PAC in composite drug dispensing containers and are uniformly mixed, can be obtained the de- of the application
Composite drug to be used is needed in ammonia process；After medicament configuration finishes, under aerobic condition, according to the place of biogas slurry in deammonification tank
Reason amount is proportionally added into the treating capacity and Powdered Activated Carbon of composite drug, can play excitation and improve microbial activity
Effect mainly improves the activity of nitrobacteria, so that nitrobacteria is reached better effect to the processing of ammonia nitrogen in biogas slurry, is
Subsequent processing system provides good reaction condition；The Powdered Activated Carbon of addition adsorbs sludge in aerobic tank, can be in activity
The hole of charcoal and surface form biomembrane, increase the biomass of unit area, at the same the pollutant in the adsorbable water of active carbon and
Dissolved oxygen, the contact conducive to microorganism with polluter, and the coefficient of oxygen utilization of microorganism is improved, while microorganism is attached to activity
The hole of charcoal and surface not easily run off under conditions of active carbon is carried out and effectively being intercepted, can increase sludge age, for some generation
It is particularly important for period longer microorganism (such as nitrobacteria), be conducive to the breeding of the quasi-microorganism, increase its quantity.
The manganese element in the manganese sulfate in composite drug has the function of promoting to microorganism simultaneously, and then reaches better
Remove the effect of ammonia nitrogen.
The PAC being added in composite drug simultaneously, i.e. aluminium polychloride, PAC can play in the reaction cohesion microorganism and
It is catalyzed the effect of medicament, increases the time of contact of the two, is conducive to the efficient utilization of medicament, in addition, PAC can improve sludge
Coherency promotes the formation of mud granule, improves sludge settling property.
Implementation result:
The application is by being arranged deammonification tank in the front end of entire biogas slurry biochemical treatment, by adding composite medicine into deammonification tank
Agent and Powdered Activated Carbon promote removal of the microorganism to ammonia nitrogen, reduce the ammonia nitrogen concentration in biogas slurry, are the subsequent processing of biogas slurry
Good condition is provided, keeps the treatment and purification effect of biogas slurry more preferable；Composite drug type used herein simultaneously is few, makes
Dosage is smaller, and cost is relatively low；On the one hand the powdered active carbon being added simultaneously forms biomembrane in its hole and surface, increase single
The biomass of plane product, adsorbs the pollutant and dissolved oxygen in water, and the contact conducive to microorganism with polluter improves microorganism
Coefficient of oxygen utilization, another aspect microorganism is attached to hole and the surface of active carbon, not easily runed off under conditions of effective intercept,
Sludge age can be increased, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to such micro- life
The breeding of object increases its quantity, and then keeps it more preferable to the reducing effect of the ammonia nitrogen concentration in biogas slurry.
Embodiment 4
A kind of biogas slurry biology deamination technique, the deamination technique are as follows: in the front end of entire biogas slurry biochemical treatment, deamination is set
Pond adds composite drug in deammonification tank and Powdered Activated Carbon, composite drug includes the mixing formed by manganese sulfate, calcium acetate, PAC
Object, as mass fraction, the manganese sulfate are 90%, and the calcium acetate is 8%, and the PAC is 2%.
Technical staff configures composite drug, the mixture that wherein composite drug is manganese sulfate, calcium acetate, PAC are formed, technology
Personnel, which are proportionally added into manganese sulfate, calcium acetate, PAC in composite drug dispensing containers and are uniformly mixed, can be obtained the de- of the application
Composite drug to be used is needed in ammonia process；After medicament configuration finishes, under aerobic condition, according to the place of biogas slurry in deammonification tank
Reason amount is proportionally added into the treating capacity and Powdered Activated Carbon of composite drug, can play excitation and improve microbial activity
Effect mainly improves the activity of nitrobacteria, so that nitrobacteria is reached better effect to the processing of ammonia nitrogen in biogas slurry, is
Subsequent processing system provides good reaction condition；The Powdered Activated Carbon of addition adsorbs sludge in aerobic tank, can be in activity
The hole of charcoal and surface form biomembrane, increase the biomass of unit area, at the same the pollutant in the adsorbable water of active carbon and
Dissolved oxygen, the contact conducive to microorganism with polluter, and the coefficient of oxygen utilization of microorganism is improved, while microorganism is attached to activity
The hole of charcoal and surface not easily run off under conditions of active carbon is carried out and effectively being intercepted, can increase sludge age, for some generation
It is particularly important for period longer microorganism (such as nitrobacteria), be conducive to the breeding of the quasi-microorganism, increase its quantity.
The manganese element in the manganese sulfate in composite drug has the function of promoting to microorganism simultaneously, and then reaches better
Remove the effect of ammonia nitrogen.
The PAC being added in composite drug simultaneously, i.e. aluminium polychloride, PAC can play in the reaction cohesion microorganism and
It is catalyzed the effect of medicament, increases the time of contact of the two, is conducive to the efficient utilization of medicament, in addition, PAC can improve sludge
Coherency promotes the formation of mud granule, improves sludge settling property.
Implementation result:
The application is by being arranged deammonification tank in the front end of entire biogas slurry biochemical treatment, by adding composite medicine into deammonification tank
Agent and Powdered Activated Carbon promote removal of the microorganism to ammonia nitrogen, reduce the ammonia nitrogen concentration in biogas slurry, are the subsequent processing of biogas slurry
Good condition is provided, keeps the treatment and purification effect of biogas slurry more preferable；Composite drug type used herein simultaneously is few, makes
Dosage is smaller, and cost is relatively low；On the one hand the powdered active carbon being added simultaneously forms biomembrane in its hole and surface, increase single
The biomass of plane product, adsorbs the pollutant and dissolved oxygen in water, and the contact conducive to microorganism with polluter improves microorganism
Coefficient of oxygen utilization, another aspect microorganism is attached to hole and the surface of active carbon, not easily runed off under conditions of effective intercept,
Sludge age can be increased, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to such micro- life
The breeding of object increases its quantity, and then keeps it more preferable to the reducing effect of the ammonia nitrogen concentration in biogas slurry.
Embodiment 5
A kind of biogas slurry biology deamination technique, the deamination technique are as follows: in the front end of entire biogas slurry biochemical treatment, deamination is set
Pond adds composite drug in deammonification tank and Powdered Activated Carbon, composite drug includes the mixing formed by manganese sulfate, calcium acetate, PAC
Object, as mass fraction, the manganese sulfate are 90%, and the calcium acetate is 8.5%, and the PAC is 1.5%.
Technical staff configures composite drug, the mixture that wherein composite drug is manganese sulfate, calcium acetate, PAC are formed, technology
Personnel, which are proportionally added into manganese sulfate, calcium acetate, PAC in composite drug dispensing containers and are uniformly mixed, can be obtained the de- of the application
Composite drug to be used is needed in ammonia process；After medicament configuration finishes, under aerobic condition, according to the place of biogas slurry in deammonification tank
Reason amount is proportionally added into the treating capacity and Powdered Activated Carbon of composite drug, can play excitation and improve microbial activity
Effect mainly improves the activity of nitrobacteria, so that nitrobacteria is reached better effect to the processing of ammonia nitrogen in biogas slurry, is
Subsequent processing system provides good reaction condition；The Powdered Activated Carbon of addition adsorbs sludge in aerobic tank, can be in activity
The hole of charcoal and surface form biomembrane, increase the biomass of unit area, at the same the pollutant in the adsorbable water of active carbon and
Dissolved oxygen, the contact conducive to microorganism with polluter, and the coefficient of oxygen utilization of microorganism is improved, while microorganism is attached to activity
The hole of charcoal and surface not easily run off under conditions of active carbon is carried out and effectively being intercepted, can increase sludge age, for some generation
It is particularly important for period longer microorganism (such as nitrobacteria), be conducive to the breeding of the quasi-microorganism, increase its quantity.
The manganese element in the manganese sulfate in composite drug has the function of promoting to microorganism simultaneously, and then reaches better
Remove the effect of ammonia nitrogen.
The PAC being added in composite drug simultaneously, i.e. aluminium polychloride, PAC can play in the reaction cohesion microorganism and
It is catalyzed the effect of medicament, increases the time of contact of the two, is conducive to the efficient utilization of medicament, in addition, PAC can improve sludge
Coherency promotes the formation of mud granule, improves sludge settling property.
Implementation result:
The application is by being arranged deammonification tank in the front end of entire biogas slurry biochemical treatment, by adding composite medicine into deammonification tank
Agent and Powdered Activated Carbon promote removal of the microorganism to ammonia nitrogen, reduce the ammonia nitrogen concentration in biogas slurry, are the subsequent processing of biogas slurry
Good condition is provided, keeps the treatment and purification effect of biogas slurry more preferable；Composite drug type used herein simultaneously is few, makes
Dosage is smaller, and cost is relatively low；On the one hand the powdered active carbon being added simultaneously forms biomembrane in its hole and surface, increase single
The biomass of plane product, adsorbs the pollutant and dissolved oxygen in water, and the contact conducive to microorganism with polluter improves microorganism
Coefficient of oxygen utilization, another aspect microorganism is attached to hole and the surface of active carbon, not easily runed off under conditions of effective intercept,
Sludge age can be increased, microorganism (such as nitrobacteria) longer for some generation cycles is particularly important, is conducive to such micro- life
The breeding of object increases its quantity, and then keeps it more preferable to the reducing effect of the ammonia nitrogen concentration in biogas slurry.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (9)
1. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating, it is characterised in that: the deamination technique are as follows: entire
Deammonification tank is arranged in the front end of biogas slurry biochemical treatment, adds composite drug and Powdered Activated Carbon in deammonification tank.
2. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 1, it is characterised in that: institute
The dissolved oxygen in deammonification tank is stated not less than 2mg/L.
3. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 1, it is characterised in that: institute
The sludge concentration in deammonification tank is stated not less than 4000mg/L.
4. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 1, it is characterised in that: institute
Stating composite drug includes the mixture formed by manganese sulfate, calcium acetate, PAC.
5. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 4, it is characterised in that: press
Mass fraction meter, the manganese sulfate are 89-91%, and the calcium acetate is 8-9%, and the PAC is 1-2%.
6. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 5, it is characterised in that: press
Mass fraction meter, the manganese sulfate are 90%, and the calcium acetate is 9%, and the PAC is 1%.
7. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 1, it is characterised in that: institute
Stating biogas slurry residence time in deammonification tank is 48h.
8. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 1, it is characterised in that: institute
Composite drug is stated to be configured to add after solution.
9. a kind of enhanced biological deamination technique of novel biogas slurry advanced treating according to claim 1, it is characterised in that: institute
It is provided with sedimentation basin after stating deammonification tank, is connected with mud return line between the deammonification tank and the sedimentation basin.
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Application publication date: 20190816 |