CN105836913B - A kind of method of used water difficult to degradate denitrogenation - Google Patents
A kind of method of used water difficult to degradate denitrogenation Download PDFInfo
- Publication number
- CN105836913B CN105836913B CN201510014429.0A CN201510014429A CN105836913B CN 105836913 B CN105836913 B CN 105836913B CN 201510014429 A CN201510014429 A CN 201510014429A CN 105836913 B CN105836913 B CN 105836913B
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- degradate
- denitrogenation
- used water
- waste water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 37
- 239000002351 wastewater Substances 0.000 claims abstract description 23
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003993 interaction Effects 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000033116 oxidation-reduction process Effects 0.000 claims abstract 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 23
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 125000001477 organic nitrogen group Chemical group 0.000 claims description 7
- 239000007800 oxidant agent Substances 0.000 claims description 7
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 6
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 6
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- QPLDLSVMHZLSFG-UHFFFAOYSA-N CuO Inorganic materials [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 claims description 4
- 229940124530 sulfonamide Drugs 0.000 claims description 4
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical compound C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 claims description 3
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 3
- RBXVOQPAMPBADW-UHFFFAOYSA-N nitrous acid;phenol Chemical class ON=O.OC1=CC=CC=C1 RBXVOQPAMPBADW-UHFFFAOYSA-N 0.000 claims description 3
- -1 peracid salt Chemical class 0.000 claims description 3
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten(VI) oxide Inorganic materials O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005903 acid hydrolysis reaction Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000001413 amino acids Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000000149 chemical water pollutant Substances 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of method of used water difficult to degradate denitrogenation, control waste water temperature carries out acidic hydrolysis at 55-120 DEG C, and oxidation reduction catalyst is added, promote the interaction of ammonia nitrogen and nitrate, forms nitrogen, the processing to waste water can be completed woth no need to additional carbon.Compared with prior art, the removal effect of total nitrogen of the present invention is good, and at low cost, technological process is simple, small investment.
Description
Technical field
The present invention relates to the technical fields of industrial wastewater recycling, more particularly, to a kind of side of used water difficult to degradate denitrogenation
Method.
Background technology
Water body such as is discharged into without dealing carefully with containing nitrogen compound in water, can make the danger of water body generation eutrophication
Danger, therefore denitrogenation processing need to be carried out to the waste water for being discharged into water body.
Denitrification process of waste water type is various, wherein most commonly seen with biological denitrification process, biological denitrification process is main
It is divided into traditional biological denitrification process and New Biodenitrification Process.Microorganism removal ammonia nitrogen process needs to undergo two stages, and first
Stage is nitrifying process.Second stage is denitrification process.The technological advantage reaction rate is big, and ratio is more thoroughly.The disadvantage is that
Biological denitrificaion additional carbon, treatment facility is more, takes up a large area, and cost is high, and management is not convenient enough.
A kind of method that CN201310632426.4 discloses integrated biological denitrification device and its handles waste water, the life
Object nitrogen rejection facility includes aerobic reaction tank, sedimentation basin, wastewater disposal basin, intake pump, air blower, sludge reflux pump and aerator, described
Floating stuffing is added in aerobic reaction tank, the floating stuffing is that surface and inside are distributed with the hole penetrated through with surface
Sphere or cylinder, a diameter of 1 μm~20mm of floating stuffing surface hole defect, a diameter of 10 μm of floating stuffing inner void~
10mm；75% or so nitric efficiency can be obtained in aerobic reaction tank using the method for present invention processing waste water, but is handled
Facility is more, takes up a large area.
CN02135464.2 discloses a kind for the treatment of technical method for denitrogenation and dephosphorization from waste water, is a kind of municipal sewage denitrogenation dephosphorizing
Inversion A/A/O processes, in biological wastewater treatment process, when biological denitrificaion and biological phosphate-eliminating are total in same processing system
When depositing, there is carbon source contradiction, sludge age contradiction and nitrate etc. in usual biological denitrificaion with biological phosphate-eliminating；Inversion A/A/O techniques
The anaerobic/anoxic environment of traditional denitrification dephosphorization technique is inverted, the technology arrangement of " hypoxic/anaerobic/aerobic " is formd
Form；Due in inversion A/A/O techniques advantageous feature, so that the contradiction of biological denitrificaion and biological phosphate-eliminating in processing system is obtained
Alleviate, the removal of nitrogen and phosphorus all improves a lot.But treatment facility is more, takes up a large area.
Above-mentioned technology needs external carbon for the used water difficult to degradate without biodegradable organic, using biological denitrificaion
Source, and treatment facility is more, takes up a large area, cost is high, and management is not convenient enough.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind woth no need to external carbon
Source, at low cost, technological process is simple, small investment, the method for the good used water difficult to degradate denitrogenation of removal effect of total nitrogen.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of method of used water difficult to degradate denitrogenation, control waste water temperature carry out acidic hydrolysis, and oxygen is added at 55-120 DEG C
Change reducing catalyst, promote the interaction of ammonia nitrogen and nitrate, form nitrogen, woth no need to additional carbon, specifically uses following
Step：
(1) 0.5-5hr is hydrolyzed in acid condition, converts organic nitrogen to nitrate nitrogen or ammonium nitrogen；
(2) medium temperature catalytic oxidation 1-4hr is carried out, is aoxidized with the combination of multiple oxidant, part inorganic nitrogen is turned
Turn to nitrate nitrogen；
(3) carry out medium temperature catalytic reduction reaction 0.5-2hr, promote the interaction of nitrate nitrogen and ammonia nitrogen, by nitrate nitrogen and
Ammonium nitrogen is converted into nitrogen simultaneously, completes the processing to waste water.
Have containing nitros, aminos such as nitrobenzene, nitrophenols, sulfanilamide (SN), aniline, azobenzene, amino acid in the waste water
Machine nitrogen.
Control ph is hydrolyzed for 1-5 in step (1).
Controlling reaction temperature is 50-120 DEG C in step (2).
Multiple oxidant described in step (2) in hydrogen peroxide, ozone, chlorate or peracid salt at least two
Kind.
Content of the multiple oxidant in waste water described in step (2) is 0.2-2wt%.
Controlling reaction temperature is 55-120 DEG C in step (3).
The catalyst used in step (3) is selected from Fe2O3、V2O5、WO3, CuO or MnO2One or more of.
Content of the catalyst used in step (3) in waste water is 0.1-0.5wt%.
Compared with prior art, the removal effect of total nitrogen of the present invention is good, and at low cost, technological process is simple, small investment,
Under acid and heating condition, organic nitrogen is hydrolyzed to inorganic nitrogen.
Organic nitrogenOrganic matter
Then the ammonia nitrogen in inorganic nitrogen and nitrate when heated, it is de- to be carried out redox reaction by the effect of catalyst
Nitrogen, mechanism is as follows,
Specific implementation mode
The present invention provides the method for used water difficult to degradate denitrogenation, nitrobenzene, nitrophenols, sulphur are contained in handled waste water
The nitros such as amine, aniline, azobenzene, amino acid, amino organic nitrogen.Specific implementation mode is as follows, between 55-120 DEG C first
(pH=1-5) carries out 0.5-5.0hr hydrolysis in acid condition, converts organic nitrogen to nitrate nitrogen or ammonium nitrogen, then carries out
Warm catalytic oxidation, the oxidants one such as hydrogen peroxide, ozone, chlorate, peracid salt for being 0.2%~2% with mass fraction
It plants or two kinds is aoxidized, oxidization time 1.0-4.0hr converts part inorganic nitrogen to nitrate nitrogen, finally carries out medium temperature catalysis
Reduction reaction uses mass fraction for the Fe of 0.1%-0.5% under the conditions of 55-120 DEG C2O3、V2O5、WO3、CuO、MnO2Deng
One or more promote the interaction of nitrate nitrogen and ammonia nitrogen, reaction 0.5-2.0hr to convert nitrate nitrogen and ammonium nitrogen to simultaneously
Nitrogen can strengthen the removal effect of total nitrogen significantly.
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1
Landfill leachate nanofiltration concentrate total nitrogen 101mg/L, first between 55 DEG C first in acid condition (pH=5)
5.0hr hydrolysis is carried out, organic nitrogen is converted to nitrate nitrogen or ammonium nitrogen, then carry out medium temperature catalytic oxidation, with mass fraction
It is aoxidized for 0.2% ozone, oxidization time 4.0hr, converts part inorganic nitrogen to nitrate nitrogen, finally carry out medium temperature catalysis
The CuO that mass fraction is 0.2% and the MnO that mass fraction is 0.3% is added in reduction reaction under the conditions of 55 DEG C2Promote nitre state
The interaction of nitrogen and ammonia nitrogen, reaction 2.0hr convert nitrate nitrogen and ammonium nitrogen to nitrogen simultaneously, and the total nitrogen of waste water is reduced to
15mg/L, nitrogen removal rate 85%.
Embodiment 2
Landfill leachate RO concentrate total nitrogen 169mg/L, first between 120 DEG C first in acid condition (pH=3)
0.5hr hydrolysis is carried out, organic nitrogen is converted to nitrate nitrogen or ammonium nitrogen, then carry out medium temperature catalytic oxidation, with mass fraction
It is aoxidized for 0.2% sodium chlorate and 0.5% sodium peroxydisulfate, oxidization time 1.0hr, converts part inorganic nitrogen to nitrate nitrogen,
Medium temperature catalytic reduction reaction is finally carried out, the Fe that mass fraction is 0.1% is added under the conditions of 120 DEG C2O3Promote nitrate nitrogen and ammonia
The interaction of nitrogen, reaction 0.5hr convert nitrate nitrogen and ammonium nitrogen to nitrogen simultaneously, and the total nitrogen of waste water is reduced to 44mg/L,
Removal rate is 74%.
Embodiment 3
Breeding wastewater is through biological treatment and NF treated concentrate total nitrogen 556mg/L (pH=1), first between 90 DEG C
It carries out 3.5hr hydrolysis in acid condition first, converts organic nitrogen to nitrate nitrogen or ammonium nitrogen, then carry out medium temperature catalysis oxidation
Reaction is that 2.0% hydrogen peroxide is aoxidized with mass fraction, and oxidization time 1.0hr converts part inorganic nitrogen to nitrate nitrogen,
Medium temperature catalytic reduction reaction is finally carried out, the Fe that mass fraction is 0.5% is added under the conditions of 90 DEG C2O3Promote nitrate nitrogen and ammonia
The interaction of nitrogen, reaction 1.0hr convert nitrate nitrogen and ammonium nitrogen to nitrogen simultaneously, and the total nitrogen of waste water is reduced to 145mg/L,
Removal rate is 74%.
Claims (8)
1. a kind of method of used water difficult to degradate denitrogenation, which is characterized in that this method controls waste water temperature at 55-120 DEG C, carries out acid
Property hydrolysis, and oxidation reduction catalyst is added, promotes the interaction of ammonia nitrogen and nitrate, form nitrogen, woth no need to external carbon
Source specifically uses following steps：
(1) 0.5-5hr is hydrolyzed in acid condition, converts organic nitrogen to nitrate nitrogen or ammonium nitrogen；
(2) medium temperature catalytic oxidation 1-4hr is carried out, is aoxidized with the combination of multiple oxidant, the multiple oxidant is selected from
At least two in hydrogen peroxide, ozone, chlorate or peracid salt convert part inorganic nitrogen to nitrate nitrogen；
(3) medium temperature catalytic reduction reaction 0.5-2hr is carried out, promotes the interaction of nitrate nitrogen and ammonia nitrogen, by nitrate nitrogen and ammonium state
Nitrogen is converted into nitrogen simultaneously, completes the processing to waste water.
2. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that contain in the waste water
One or more of nitrobenzene, nitrophenols, sulfanilamide (SN), aniline, azobenzene or amino acids organic nitrogen.
3. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that control pH in step (1)
Value is hydrolyzed for 1-5.
4. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that control is anti-in step (2)
It is 55-120 DEG C to answer temperature.
5. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that described in step (2)
Content of the multiple oxidant in waste water is 0.2-2wt%.
6. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that control is anti-in step (3)
It is 55-120 DEG C to answer temperature.
7. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that used in step (3)
Catalyst is selected from Fe2O3、V2O5、WO3, CuO or MnO2One or more of.
8. a kind of method of used water difficult to degradate denitrogenation according to claim 1, which is characterized in that used in step (3)
Content of the catalyst in waste water is 0.1-0.5wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014429.0A CN105836913B (en) | 2015-01-12 | 2015-01-12 | A kind of method of used water difficult to degradate denitrogenation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014429.0A CN105836913B (en) | 2015-01-12 | 2015-01-12 | A kind of method of used water difficult to degradate denitrogenation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105836913A CN105836913A (en) | 2016-08-10 |
| CN105836913B true CN105836913B (en) | 2018-11-02 |
Family
ID=57177947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014429.0A Expired - Fee Related CN105836913B (en) | 2015-01-12 | 2015-01-12 | A kind of method of used water difficult to degradate denitrogenation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105836913B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630099A (en) * | 2016-12-28 | 2017-05-10 | 华南理工大学 | Method for deeply treating organic contaminants in rural underground water |
| CN106587252B (en) * | 2016-12-29 | 2019-08-30 | 苏州科技大学 | Manganese oxide-application of the fullerene hybrid material near infrared light denitrogenation |
| CN111874984B (en) * | 2020-07-28 | 2022-08-23 | 上海泽耀环保科技有限公司 | Water body restoration rope and preparation method and application thereof |
| CN113264584A (en) * | 2021-04-26 | 2021-08-17 | 内蒙古兴安铜锌冶炼有限公司 | Method for removing fluorine and chlorine in zinc electrolysis waste liquid by oxidation volatilization method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1830847A (en) * | 2006-04-03 | 2006-09-13 | 华仁清 | Treatment method of sewage of nitrotoluene produced |
| CN102936083A (en) * | 2012-11-14 | 2013-02-20 | 北京赛科康仑环保科技有限公司 | Device and method for removing refractory organics and total nitrogen in waste water simultaneously |
-
2015
- 2015-01-12 CN CN201510014429.0A patent/CN105836913B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1830847A (en) * | 2006-04-03 | 2006-09-13 | 华仁清 | Treatment method of sewage of nitrotoluene produced |
| CN102936083A (en) * | 2012-11-14 | 2013-02-20 | 北京赛科康仑环保科技有限公司 | Device and method for removing refractory organics and total nitrogen in waste water simultaneously |
Non-Patent Citations (1)
| Title |
|---|
| 饮用水中硝酸根的催化还原研究进展;高文亮等;《环境污染治理技术与设备》;20040526;第5卷(第5期);第1页右栏第1段至第4页右栏最后1行 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105836913A (en) | 2016-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108483655B (en) | Method for deep denitrification by coupling shortcut nitrification and denitrification with anaerobic ammonia oxidation and sulfur autotrophic denitrification | |
| CN108946944A (en) | The method that short-cut denitrification promotes the removal of waste water total nitrogen | |
| CN103011507B (en) | Control method and device for deep denitrification treatment of garbage leachate by combination of short-range nitrification and anaerobic ammoxidation | |
| CN105836913B (en) | A kind of method of used water difficult to degradate denitrogenation | |
| CN105198174A (en) | Method for treating chemical industry wastewater containing organic nitrogen DMF (N,N-dimethylformamide) | |
| CN101654314A (en) | Dye waste water treatment method | |
| CN109734248B (en) | Advanced treatment method and equipment for reverse osmosis concentrated water | |
| CN109231715A (en) | A method of processing chemical industry distilled ammonia wastewater | |
| CN101514070B (en) | Disposal technique of nitrobenzene-containing sewage | |
| CN102070237B (en) | COD degradation agent for removing sulfamide from industrial wastewater | |
| CN204125291U (en) | A kind of Waste Water Treatment | |
| CN107540175A (en) | A kind of method for removing hardly degraded organic substance in Industrial reverse osmosis concentrated water | |
| CN103420480A (en) | Anaerobic molysite biological nitrogen removal process | |
| CN107352742B (en) | Electrochemical composite oxidation process and system for refractory sewage | |
| KR100386224B1 (en) | Advanced Piggery Wastewater Treatment System | |
| KR101372415B1 (en) | Bioelectrical waste-water treating apparatus and treatment method of waste-water using the same | |
| CN205442947U (en) | Coking wastewater treatment system | |
| CN105152459A (en) | Process for treating wastewater produced in regeneration of SCR denitration catalyst | |
| KR100755487B1 (en) | Dye wastewater treatment process using aerobic bio-adsorption, pressured ozone treatment and alternating aeration | |
| WO2018101892A1 (en) | Advanced biological treatment method for slaughterhouses wastewater | |
| CN110156267A (en) | The micro- oxygen of catalysis oxidation-strengthens process for purifying water and water purification system | |
| CN109179915A (en) | A method of strengthening coking wastewater biochemical treatment | |
| CN104944671B (en) | A kind of processing method of wastewater from molecular sieve catalyzer | |
| CN110194568A (en) | A kind of processing method of high ammonia-nitrogen wastewater | |
| CN103121743A (en) | Method for treating reverse osmosis concentrated water generated during urban sewage reuse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 |