CN109942080A - It is a kind of promote anaerobic ammonia oxidizing bacteria denitrogenation composition and its application - Google Patents
It is a kind of promote anaerobic ammonia oxidizing bacteria denitrogenation composition and its application Download PDFInfo
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- CN109942080A CN109942080A CN201711391757.8A CN201711391757A CN109942080A CN 109942080 A CN109942080 A CN 109942080A CN 201711391757 A CN201711391757 A CN 201711391757A CN 109942080 A CN109942080 A CN 109942080A
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- oxidizing bacteria
- ammonia oxidizing
- anaerobic ammonia
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- propionate
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- 241001453382 Nitrosomonadales Species 0.000 title claims abstract description 33
- 239000000203 mixture Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 31
- HVCOBJNICQPDBP-UHFFFAOYSA-N 3-[3-[3,5-dihydroxy-6-methyl-4-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxydecanoyloxy]decanoic acid;hydrate Chemical compound O.OC1C(OC(CC(=O)OC(CCCCCCC)CC(O)=O)CCCCCCC)OC(C)C(O)C1OC1C(O)C(O)C(O)C(C)O1 HVCOBJNICQPDBP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229930186217 Glycolipid Natural products 0.000 claims abstract description 11
- ZTOKUMPYMPKCFX-CZNUEWPDSA-N (E)-17-[(2R,3R,4S,5S,6R)-6-(acetyloxymethyl)-3-[(2S,3R,4S,5S,6R)-6-(acetyloxymethyl)-3,4,5-trihydroxyoxan-2-yl]oxy-4,5-dihydroxyoxan-2-yl]oxyoctadec-9-enoic acid Chemical compound OC(=O)CCCCCCC/C=C/CCCCCCC(C)O[C@@H]1O[C@H](COC(C)=O)[C@@H](O)[C@H](O)[C@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](COC(C)=O)O1 ZTOKUMPYMPKCFX-CZNUEWPDSA-N 0.000 claims abstract description 9
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004021 humic acid Substances 0.000 claims abstract description 9
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 7
- 241001474374 Blennius Species 0.000 claims abstract description 5
- FCBUKWWQSZQDDI-UHFFFAOYSA-N rhamnolipid Chemical compound CCCCCCCC(CC(O)=O)OC(=O)CC(CCCCCCC)OC1OC(C)C(O)C(O)C1OC1C(O)C(O)C(O)C(C)O1 FCBUKWWQSZQDDI-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000001737 promoting effect Effects 0.000 claims abstract 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001963 growth medium Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- 235000010331 calcium propionate Nutrition 0.000 claims description 4
- 239000004330 calcium propionate Substances 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000002596 lactones Chemical class 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 2
- BWILYWWHXDGKQA-UHFFFAOYSA-M potassium propanoate Chemical compound [K+].CCC([O-])=O BWILYWWHXDGKQA-UHFFFAOYSA-M 0.000 claims description 2
- 235000010332 potassium propionate Nutrition 0.000 claims description 2
- 239000004331 potassium propionate Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- JXKPEJDQGNYQSM-UHFFFAOYSA-M sodium propionate Chemical compound [Na+].CCC([O-])=O JXKPEJDQGNYQSM-UHFFFAOYSA-M 0.000 claims description 2
- 235000010334 sodium propionate Nutrition 0.000 claims description 2
- 239000004324 sodium propionate Substances 0.000 claims description 2
- 229960003212 sodium propionate Drugs 0.000 claims description 2
- XDWXRAYGALQIFG-UHFFFAOYSA-L zinc;propanoate Chemical compound [Zn+2].CCC([O-])=O.CCC([O-])=O XDWXRAYGALQIFG-UHFFFAOYSA-L 0.000 claims description 2
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims 2
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims 2
- 229940068041 phytic acid Drugs 0.000 claims 2
- 235000002949 phytic acid Nutrition 0.000 claims 2
- 239000000467 phytic acid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 150000002148 esters Chemical class 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000010802 sludge Substances 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 6
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 5
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 102000012286 Chitinases Human genes 0.000 description 1
- 108010022172 Chitinases Proteins 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The present invention relates to a kind of composition for promoting anaerobic ammonia oxidizing bacteria denitrogenation and its applications, the composition includes glycolipid, propionate, humic acid or/and humate, wherein the glycolipid is at least one of seaweed glycolipid, sophorolipid, rhamnolipid etc., preferably seaweed sugar ester.The composition formula is simple, and preparation is easy, and when being used for anaerobic ammonium oxidation process, the denitrification activity of anaerobic ammonia oxidizing bacteria can be improved, promote going on smoothly for denitrification process.
Description
Technical field
The invention belongs to field of biotechnology, and in particular to one kind can promote anaerobic ammonia oxidizing bacteria denitrogenation composition and
It is applied.
Background technique
With the raising of socio-economic development and living standards of the people, the content of ammonia nitrogen in the waste water of industry and life discharge
Higher and higher, the continuous generation of water eutrophication, nitrate pollution problem has caused the highest attention of people.Traditional biology is de-
Nitrogen method is mainly nitrification-denitrification denitrogenation, but due to its dependence to organic carbon source, is not suitable for handling low carbon-nitrogen ratio sewage.
With the discovery of novel biological dinitrification approach, New Biodenitrification Process is continuously available development and utilization.
Anammox (Anammox) is a kind of new biological nitrogen removal technology developed in recent years, is referred under anaerobic,
Using ammonia as electron donor, nitrite is electron acceptor, is the microbial reaction of nitrogen by ammonia and Nitrite transformation.Compared to
Traditional bio-denitrification technology, the technique have treatment effeciency height, are not required to additional organic carbon source as electron donor, operating cost
Low advantage, development prospect are wide.It is able to carry out the microorganism of Anammox reaction, referred to as anaerobic ammonia oxidizing bacteria, it is such thin
Bacterium slow growth, cell yield is low, and very sensitive to environmental condition, constrains the application of the technology.
CN105923795A discloses a kind of method of quickly culturing anaerobic ammonia oxidation bacteria, is using conventional anaerobic ammoxidation
Water inlet of the water outlet of reactor as anaerobic ammonia oxidizing bacteria cultivation reactor, and ammonia nitrogen and cultured water are added in water inlet, with
Inoculum of the activated sludge as anaerobic ammonia oxidizing bacteria cultivation reactor forms the optimal control with operating parameter by matrix,
The anaerobic ammonia oxidizing bacteria that nitric efficiency is high, treatment effect is stable is turned out in 5~90 days.This method is formed and is transported by matrix
Fast culture is realized in the optimal control of row parameter, adjusts complex procedures, and runing time is longer, and needs to add one in water inlet
Quantitative nutriment and microelement, makes metal cation 4~5g/L of total concentration, and dosage is big.
CN106011017A discloses a kind of method for realizing anaerobic ammonia oxidizing bacteria fast breeding, is based on anaerobic ammonia oxidizing bacteria
Maximum electron transfer capacity, in conjunction with MBR reactor start-up Anammox, by being inoculated with nitrifying sludge (90%) and anaerobism
The mixed sludge of granule sludge (10%) gradually shortens sludge retention time, improves anaerobic ammonia oxidizing bacteria maximum Specific incremental rate, real
The fast breeding of existing anaerobic ammonia oxidizing bacteria.MBR and Anammox are combined together by the invention, are inoculated with best sludge source.But
It is that, since the suitable growth environment of two kinds of bacterium is different, longtime running is unfavorable for maintaining microbial activity.
Summary of the invention
In view of the deficiencies of the prior art, the composition of anaerobic ammonia oxidizing bacteria denitrogenation can be promoted the present invention provides one kind and its answered
With.The composition formula is simple, and preparation is easy, and when being used for anaerobic ammonium oxidation process, the denitrogenation of anaerobic ammonia oxidizing bacteria can be improved
Activity promotes going on smoothly for denitrification process.
It is provided by the invention promote anaerobic ammonia oxidizing bacteria denitrogenation composition, including glycolipid, propionate, humic acid or/and
Humate, wherein the glycolipid is at least one of seaweed glycolipid, sophorolipid, rhamnolipid etc., preferably seaweed sugar ester.
The sophorolipid is lactone type and two kinds of acid type, preferably lactone type sophorolipid.
The humate is at least one of sodium humate, humic acid potassium, humic acid magnesium, calcium humate etc., excellent
Select humic acid potassium.
The propionate is at least one of sodium propionate, potassium propionate, zinc propionate, calcium propionate etc., preferably calcium propionate.
The glycolipid content is 0.5-15 parts by weight, preferably 2-10 parts by weight；Propionate content is 0.5-5 parts by weight, excellent
It is selected as 1-3 parts by weight；Humic acid or/and humate content are 5-30 parts by weight, preferably 10-20 parts by weight.
The present invention also provides the culture medium that can promote anaerobic ammonia oxidizing bacteria denitrogenation, which contains ammonia nitrogen and nitrous
Hydrochlorate and above-mentioned composition.
The present invention also provides the methods of culture anaerobic ammonia oxidizing bacteria, including that will contain the cultivating system of anaerobic ammonia oxidizing bacteria
It is contacted with composition, or anaerobic ammonia oxidizing bacteria is seeded in above-mentioned culture medium and is cultivated.
The present invention also provides the methods for carrying out denitrogenation using anaerobic ammonia oxidizing bacteria, including making containing anaerobic ammonia oxidizing bacteria
Denitrogenation system is contacted with composition.
In cultural method or denitrogenation method provided by the invention, the molar ratio of ammonia nitrogen and nitrite is 1:1-1:2；Combination
The dosage of object is 0.01-10mg/L, preferably 0.5-1.0mg/L.
In cultural method or denitrogenation method provided by the invention, the condition of the contact are as follows: temperature is 20-35 DEG C, and pH is
7-9, dissolved oxygen < 1mg/L.
Through the above technical solutions, the growth of anaerobic ammonia oxidizing bacteria can be promoted, to improve the de- of anaerobic ammonia oxidizing bacteria
Nitrogen activity, promotes going on smoothly for denitrification process, and shortens the processing time.The anaerobism ammonia cultivated using composition of the invention
Oxidation bacteria activity is high, flocculability is good, strong using time length, tolerance impact capacity.Moreover, composite formula of the invention is simple,
Preparation is easy, and environmental protection and economy will not cause secondary pollution to water body.
Specific embodiment
Preparation method and effect of the invention are further illustrated below by embodiment.Embodiment is with the technology of the present invention
Implemented under premised on scheme, the detailed implementation method and specific operation process are given, but protection scope of the present invention
It is not limited to the following embodiments.
Experimental method in following embodiment is unless otherwise specified conventional method in that art.Institute in following embodiments
Experimental material is commercially available from routine biochemistry reagent shop unless otherwise specified.
In the present invention, the condition of the contact are as follows: temperature is 20-35 DEG C, pH 7-9, dissolved oxygen < 1mg/L.Wherein, molten
Solution oxygen is measured by iodimetric titration.
In the present invention, the various anaerobic ammonium oxidizing bacterias etc. that the anaerobic ammonia oxidizing bacteria can be common for this field can
Denitrification reaction is carried out using nitrite and ammonia nitrogen as substrate.This implementation uses the Anammox of Laboratory Acclimation culture
Bacterium granule sludge.
In following embodiment, COD concentration uses GB11914-89 " water quality-COD measurement-dichromate titration "
Measurement；Ammonia nitrogen concentration is measured using GB7478-87 " water quality-ammonium measurement-distillation and titration "；Nitrite nitrogen concentration uses
GB7493-87 " water quality-nitrite nitrogen measurement-spectrophotometry " measurement；Total nitrogen concentration uses GB11894-89 " water quality-
The measurement of total nitrogen-alkaline chitinase clears up ultraviolet spectrophotometry ".
According to the composition and ratio compositions formulated 1# to 23# of table 1.
The formula and ratio of 1 composition of table
COD concentration is 100mg/L in certain waste water, ammonia nitrogen concentration 100mg/L, nitrite nitrogen concentration are 100mg/L.Using detesting
The processing of anaerobic ammonium oxidation method, the initial incremental amount of anaerobic ammonium oxidation sludge are MLSS=5000mg/L, and temperature is 30- in treatment process
35 DEG C, pH 7.0-8.0, dissolved oxygen < 1mg/L.After treatment, COD is 80mg/L in water outlet, and ammonia nitrogen concentration is greater than 50mg/
L, nitrite nitrogen concentration are to be discharged total nitrogen greater than 55mg/L and be greater than 110mg/L.
In order to improve the denitrification effect of anaerobic ammonia oxidizing bacteria, the composition of the preparation of table 1 is added in the processing system, by combination
Object serial number number is embodiment 1- embodiment 17, comparative example 1-7.It is according to composition concentration in sewage treatment system daily
0.5mg/L is added, and after adding 20 days, sampling analysis is discharged COD, ammonia nitrogen, nitrite nitrogen, total nitrogen concentration, as a result such as table 2
It is shown.
Table 2
From the point of view of the data of table 2, it is lower than 30mg/L using ammonia nitrogen concentration is discharged after composition, nitrite nitrogen concentration is lower than
30mg/L, total nitrogen concentration are lower than 60mg/L.When lacking any one of composite formula, ammonia nitrogen concentration, nitrite nitrogen
Concentration is above 40mg/L, and water outlet total nitrogen concentration is above 90mg/L.
Claims (10)
1. a kind of composition for promoting anaerobic ammonia oxidizing bacteria denitrogenation, it is characterised in that: the composition includes glycolipid, propionate, corruption
Phytic acid or/and humate, wherein the glycolipid is at least one of seaweed glycolipid, sophorolipid, rhamnolipid etc..
2. according to the method described in claim 1, it is characterized by: the sophorolipid is lactone type sophorolipid or/and acid type
Sophorolipid, preferably acid type sophorolipid.
3. according to the method described in claim 1, it is characterized by: the humate is sodium humate, humic acid potassium, corruption
At least one of phytic acid magnesium, calcium humate, preferably humic acid potassium.
4. according to the method described in claim 1, it is characterized by: the propionate be sodium propionate, potassium propionate, zinc propionate,
At least one of calcium propionate, preferably calcium propionate.
5. method according to claim 1 to 4, it is characterised in that: the glycolipid content is 0.5-15 parts by weight, excellent
Select 2-10 parts by weight；Propionate content is 0.5-5 parts by weight, preferably 1-3 parts by weight；Humic acid or/and humate content
For 5-30 parts by weight, preferably 10-20 parts by weight.
6. the culture medium that one kind can promote anaerobic ammonia oxidizing bacteria denitrogenation, it is characterised in that: the culture medium contains ammonia nitrogen and nitrous
Composition described in hydrochlorate and claim 1-5 any one.
7. a kind of method for cultivating anaerobic ammonia oxidizing bacteria, it is characterised in that: by cultivating system and group containing anaerobic ammonia oxidizing bacteria
Object contact is closed, or anaerobic ammonia oxidizing bacteria is seeded in culture medium described in claim 6 and is cultivated.
8. a kind of method for carrying out denitrogenation using anaerobic ammonia oxidizing bacteria, it is characterised in that: make the denitrogenation containing anaerobic ammonia oxidizing bacteria
System is contacted with claim 1-5 any one composition.
9. method according to claim 7 or 8, it is characterised in that: the dosage of the composition is 0.01-10mg/L, excellent
It is selected as 0.5-1.0mg/L.
10. method according to claim 7 or 8, it is characterised in that: the condition of the contact are as follows: temperature is 20-35 DEG C,
PH is 7-9, dissolved oxygen < 1mg/L.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672471A (en) * | 2020-06-22 | 2020-09-18 | 陈苗根 | Biological activated carbon capable of improving COD removal efficiency and preparation method and application thereof |
| CN112694168A (en) * | 2019-10-22 | 2021-04-23 | 天津大学 | Method for promoting anaerobic ammonium oxidation microbial activity at normal and low temperature, anaerobic ammonium oxidation promoter and application thereof |
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