CN1789498A - Metal modified active carbon fiber electrode and method for removing nitrate thereby - Google Patents
Metal modified active carbon fiber electrode and method for removing nitrate thereby Download PDFInfo
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- CN1789498A CN1789498A CN 200410098590 CN200410098590A CN1789498A CN 1789498 A CN1789498 A CN 1789498A CN 200410098590 CN200410098590 CN 200410098590 CN 200410098590 A CN200410098590 A CN 200410098590A CN 1789498 A CN1789498 A CN 1789498A
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- 229910002651 NO3 Inorganic materials 0.000 title claims abstract description 32
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 title description 8
- 239000002184 metal Substances 0.000 title description 8
- 229920000049 Carbon (fiber) Polymers 0.000 title description 6
- 239000004917 carbon fiber Substances 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052737 gold Inorganic materials 0.000 claims abstract description 5
- 239000010931 gold Substances 0.000 claims abstract description 5
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 5
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 239000011701 zinc Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 229910052738 indium Inorganic materials 0.000 claims abstract description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 4
- 239000010948 rhodium Substances 0.000 claims abstract description 4
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 4
- 229910052709 silver Inorganic materials 0.000 claims abstract description 4
- 239000004332 silver Substances 0.000 claims abstract description 4
- 229910052718 tin Inorganic materials 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 17
- 239000010970 precious metal Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
- 238000003837 high-temperature calcination Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 150000002611 lead compounds Chemical class 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 206010021143 Hypoxia Diseases 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims 2
- 239000010953 base metal Substances 0.000 claims 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 206010002660 Anoxia Diseases 0.000 claims 1
- 241000976983 Anoxia Species 0.000 claims 1
- 230000007953 anoxia Effects 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000510 noble metal Inorganic materials 0.000 abstract description 3
- 229910000464 lead oxide Inorganic materials 0.000 abstract 1
- 238000006722 reduction reaction Methods 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 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 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- -1 nitrite anions Chemical class 0.000 description 3
- YPJKMVATUPSWOH-UHFFFAOYSA-N nitrooxidanyl Chemical compound [O][N+]([O-])=O YPJKMVATUPSWOH-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000005135 methemoglobinemia Diseases 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- UWPPADMWQVNQFC-UHFFFAOYSA-J tetrachlorostannane;hydrochloride Chemical compound Cl.Cl[Sn](Cl)(Cl)Cl UWPPADMWQVNQFC-UHFFFAOYSA-J 0.000 description 1
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- Catalysts (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention, belonging to water treatment technical field, discloses the electric pole used for removing nitrate in water. The invention uses one of noble metals (palladium, platinum, gold, rhodium, and ruthenium) and one of non noble metals (copper, tin, indium, zinc and silver) to modify the activated carbon fiber and make the electric pole. The method uses the said electric pole as negative pole, and uses graphite and lead oxide as anode, deoxidizing the nitrate at the condition of energisation. The electric pole is cheap and high activity, and the invention is simple operation, convenient management and suits for small-scale decentralized feedwater treatment.
Description
Invention field
The present invention relates to a kind of method of removing the electrode of nitrate in the water and using nitrate in this electrode removal water, it specifically is a kind of metal-modified Activated Carbon Fiber Electrodes, under the situation of energising,, belong to the Application Areas of water technology with the nitrate reduction in the water.
Background of invention
Owing to being extensive use of and the reasons such as a large amount of dischargings of municipal effluent and trade effluent of agrochemical, causing global pollution of nitrate nitrogen in underground water, and be the trend that goes from bad to worse.At present, the most of areas of China are subjected to azotate pollution to some extent as the underground water of drinking water source, and its concentration of indivedual areas has surpassed 100mg-N/L.The nitrate of Excessive Intake has a lot of harm to HUMAN HEALTH, can cause methemoglobinemia, can cause hypoxia death when serious.And effect such as that the inferior ammonium nitrate that forms in the nitrate conversion process etc. also have is carcinogenic, teratogenesis and mutagenesis.Therefore the pollution of nitrate nitrogen in the purifying drinking water becomes crucial environmental problem.
The method of removing nitrate in the water at present mainly contains physics method, biological denitrification method and chemical reduction method.The physics method is the nitrate in the former water to be shifted or concentrate, and in fact it is not removed up hill and dale, so be subjected to certain restriction on using; The biological denitrification method is converted into nitrogen by the reductive action of microorganism with nitrate, is present main method of denitration, but still the shortcoming that exists some to be difficult to overcome, low as capacity of resisting impact load, have secondary pollution, complex process is not suitable on a small scale and disperses to water treatment etc.Chemical reduction method comprises metal simple-substance reduction method, hydrogen catalysis reduction method and electrochemical reducing.The metal simple-substance reduction method is to be that reductive agent is a nitrogen with nitrate reduction with metal simple-substances such as iron, aluminium, zinc, and its reaction conditions is difficult to control, easily produces by product and causes secondary pollution.The hydrogen catalysis reduction method is to be reductive agent with hydrogen, under the effect of catalyzer nitrate is reduced, and its speed of response is fast, can avoid the secondary pollution to water.But the solubleness of hydrogen in water is low, and inflammable and explosive, and the transportation difficulty has inconvenience when using.Electrochemical reducing is a kind of method of denitration that just develops out in recent years, and the present electrode of studying mostly is precious metal material, as palladium, platinum.Gold electrode; The perhaps noble metal electrode of surface modification, it costs an arm and a leg, and is difficult to practical application.
Summary of the invention
The objective of the invention is: prepare that a kind of cost is low, high reactivity, in order to removing the metal modified active carbon fiber electrode of nitrate in the water, and utilize this electrode to set up a kind of method of removing nitrate nitrogen in the water safely and efficiently.
Electrode involved in the present invention is to utilize a kind of (A) in palladium, platinum, gold, rhodium, the ruthenium precious metal and a kind of transition metal (B) activated carbon fiber (ACF) electrode (A-B/ACF) as copper, tin, indium, zinc, silver particles modification, A: B=1 wherein: (0.125-1), A: ACF=1: (20-100) (weight ratio).
Electrode adopts the preparation of iso volumetric impregnation method.At first the corresponding solubility lead compound of the precious metal (A) of metering is dissolved in the hydrochloric acid soln, activated carbon fiber is impregnated in carry out the periodicity stirring in this solution; Drying, high-temperature calcination is cooled to room temperature, impregnated in then to carry out the periodicity stirring in the gauge water solution that contains transition metal (B); Drying again, high-temperature calcination is cooled to room temperature, at last with its thorough reduction.
Described dipping time is 12-24 hour, periodically mixing chamber was divided into 1 hour, bake out temperature is 105-120 ℃, drying time is 10-18 hour, calcining temperature is 400-500 ℃, and calcination time is 1-3 hour, and reduction temperature is 200-300 ℃, recovery time is 1-3 hour, and used reducing atmosphere is a hydrogen.
The method of nitrate is as follows in the removal water that the present invention set up:
The Activated Carbon Fiber Electrodes of modification is as negative electrode with prepared metal (A) with (B), and inactive, conductive material such as graphite, plumbous oxide separate with proton exchange membrane between the anode and cathode as anode.Under the situation of energising, the electrical catalyze reduction reaction takes place in the water that contains nitrate in the cathodic area, with nitrate reduction; The electrolysis of water or the reaction of carbon dioxide process carbon electrode stripping take place in the positive column.The strength of current that is applied between anode and cathode is 20-60mA, and the initial pH value of institute's treating water is 5-10.
Characteristics of the present invention are:
(1) prepared metal modified active carbon fiber electrode cost is low, the active height of reduction nitrate, and speed of response is fast.
(2) adopt electrochemical method reduction nitrate, need not add any medicament, can avoid going out the water generates secondary pollution.
(3) proton exchange membrane is divided into cathodic area and positive column with reaction, helps at cathodic area formation reductibility environment; Proton can be delivered to the cathodic area from the positive column on the other hand, can cushion the pH value in cathodic area.
(4) technology is simple, and is low to the operational management requirement, is applicable to small-scale and disperses to give water treatment.
Embodiment
Example 1
At first the 0.04619g Palladous chloride is dissolved in the appropriate hydrochloric acid solution, adopt the iso volumetric impregnation method, the 0.554g activated carbon fiber is immersed in the above-mentioned Palladous chloride hydrochloric acid soln, carry out periodicity and stir, through 105 ℃ of oven dry 12 hours, under argon shield, calcined 2 hours again in 500 ℃; After naturally cooling to room temperature, impregnated in again in an amount of tin chloride hydrochloric acid soln, make Sn/ACF=1.25% (weight ratio), carry out periodicity and stir,, under argon shield, calcined 2 hours again in 500 ℃ through 105 ℃ of oven dry 12 hours; After naturally cooling to room temperature, be reductive agent with hydrogen, promptly get metal-modified Activated Carbon Fiber Electrodes at 200 ℃ of following reductase 12s hour.
Adopt this electrode as the nitrate in the cathodic reduction water, the useful volume 400mL in cathodic area, electrode area 36cm
2, anode is a graphite, and annode area equals cathode area, and received current intensity is 40mA.Cathodic area nitrate radical starting point concentration is 110mg/L, and initial pH is 7.6, after 240min is carried out in reaction, and nitrate concentration 3.4mg/L, nitrite anions concentration 3mg/L, ammonium concentration 4.7mg/L.
Example 2
Electrode preparation and use this electrode to remove the method such as the example 1 of nitrate in water, different is Sn/ACF=2.5% (weight ratio) wherein.Cathodic area nitrate radical starting point concentration is 110mg/L, and initial pH is 7.6, after 240min is carried out in reaction, and nitrate concentration 8.37mg/L, nitrite anions concentration 3.1mg/L, ammonium concentration 8.6mg/L.
Example 3
Electrode preparation and this electrode of use are removed the method such as the example 1 of nitrate in water.Cathodic area nitrate radical starting point concentration is 113mg/L, and initial pH is 5.1, after 240min is carried out in reaction, and nitrate concentration 1.13mg/L, nitrite anions concentration 0.1mg/L, ammonium concentration 4.9mg/L.
Claims (6)
1. electrode of removing nitrate in the water, it is characterized in that, with activated carbon fiber (ACF) is carrier, on this carrier load have precious metal (A) as a kind of and a kind of base metal (B) in palladium, platinum, gold, rhodium, the ruthenium as copper, tin, indium, zinc, silver particles as active constituent, A: B=1 wherein: (0.125-1), A: ACF=1: (20-100) (weight ratio).
2. an electrode method for preparing nitrate in the removal water as claimed in claim 1 is characterized in that, the corresponding solubility lead compound with precious metal (A) is dissolved in the hydrochloric acid soln earlier, activated carbon fiber be impregnated in carry out the periodicity stirring in this solution; Drying, high-temperature calcination is cooled to room temperature, impregnated in then to carry out the periodicity stirring in the gauge water solution that contains transition metal (B); Drying again, high-temperature calcination is cooled to room temperature, at last with its thorough reduction.
3. according to the described electrode preparation method of claim 2, it is characterized in that nitrate, acetate, chlorate that the corresponding solubility lead compound of described precious metal (A) is precious metal (A).
4. according to the described electrode preparation method of claim 2, it is characterized in that, described dipping time is 12-24 hour, and periodically mixing chamber was divided into 1 hour, and bake out temperature is 105-120 ℃, drying time is 10-18 hour, calcining temperature is 400-500 ℃, and calcination time is 1-3 hour, and reduction temperature is 200-300 ℃, recovery time is 1-3 hour, and used reducing atmosphere is a hydrogen.
5. the method for nitrate in the electrochemical reduction water, it is characterized in that, is negative electrode as a kind of and a kind of base metal (B) in palladium, platinum, gold, rhodium, the ruthenium as the activated carbon fiber of copper, tin, indium, zinc, silver particles modification with precious metal (A), inactive, conductive material such as graphite, plumbous oxide is as anode, separate with proton exchange membrane between the anode and cathode, under the condition of airtight anoxia, make the nitrate reduction in the cathode compartment.
6. according to the method for nitrate in the described a kind of electrochemical reduction water of claim 5, it is characterized in that the strength of current that is applied is 20-60mA between anode and cathode, the initial pH value of institute's treating water is 5-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100985902A CN100460567C (en) | 2004-12-15 | 2004-12-15 | Metal modified active carbon fiber electrode and method for removing nitrate thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100985902A CN100460567C (en) | 2004-12-15 | 2004-12-15 | Metal modified active carbon fiber electrode and method for removing nitrate thereby |
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| Publication Number | Publication Date |
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| CN1789498A true CN1789498A (en) | 2006-06-21 |
| CN100460567C CN100460567C (en) | 2009-02-11 |
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| CNB2004100985902A Expired - Fee Related CN100460567C (en) | 2004-12-15 | 2004-12-15 | Metal modified active carbon fiber electrode and method for removing nitrate thereby |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624226A (en) * | 2008-07-11 | 2010-01-13 | 中国科学院生态环境研究中心 | Method and reactor for removing nitrate through catalytic electrochemical biological hydrogen autotrophic denitrification |
| CN102039125A (en) * | 2009-10-13 | 2011-05-04 | 中国科学院生态环境研究中心 | Preparation and application method of supported bimetallic catalyst for removing nitrate in water |
| CN101537353B (en) * | 2009-04-29 | 2011-05-11 | 安徽师范大学 | Preparation method of single-dimensional nano composite material |
| CN101700924B (en) * | 2009-11-30 | 2011-06-29 | 重庆大学 | Device for removing nitrate in water |
| CN102992543A (en) * | 2012-11-27 | 2013-03-27 | 中国科学院沈阳应用生态研究所 | Method and device for biochemically removing nitrate in drinking water |
| CN103304038A (en) * | 2013-05-14 | 2013-09-18 | 南京大学 | Electrochemical-biological membrane synergistic reactor and application thereof in nitrogen-containing organic wastewater |
| CN105000636A (en) * | 2015-07-10 | 2015-10-28 | 中国科学院生态环境研究中心 | Method for removing cyanide from water by using copper electrode strengthened electrochemistry |
| CN107140716A (en) * | 2017-06-22 | 2017-09-08 | 河海大学 | A kind of Electrochemical adsorption combination process handles the equipment and processing method of waste water from dyestuff |
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| US5935392A (en) * | 1995-06-01 | 1999-08-10 | Upscale Water Technologies, Inc. | Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes |
| US5958196A (en) * | 1995-06-01 | 1999-09-28 | Upscale Water Technologies, Inc. | Planar carbon fiber and noble metal oxide electrodes and methods of making the same |
| JP2000325956A (en) * | 1999-05-19 | 2000-11-28 | Meidensha Corp | Electrochemical water cleaner |
| JP2004137593A (en) * | 2002-10-17 | 2004-05-13 | Kenji Shinohara | Porous ceramic-water electrode |
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2004
- 2004-12-15 CN CNB2004100985902A patent/CN100460567C/en not_active Expired - Fee Related
Cited By (16)
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| CN101624226A (en) * | 2008-07-11 | 2010-01-13 | 中国科学院生态环境研究中心 | Method and reactor for removing nitrate through catalytic electrochemical biological hydrogen autotrophic denitrification |
| CN101537353B (en) * | 2009-04-29 | 2011-05-11 | 安徽师范大学 | Preparation method of single-dimensional nano composite material |
| CN102039125A (en) * | 2009-10-13 | 2011-05-04 | 中国科学院生态环境研究中心 | Preparation and application method of supported bimetallic catalyst for removing nitrate in water |
| CN101700924B (en) * | 2009-11-30 | 2011-06-29 | 重庆大学 | Device for removing nitrate in water |
| CN102992543A (en) * | 2012-11-27 | 2013-03-27 | 中国科学院沈阳应用生态研究所 | Method and device for biochemically removing nitrate in drinking water |
| CN102992543B (en) * | 2012-11-27 | 2014-07-23 | 中国科学院沈阳应用生态研究所 | Method and device for biochemically removing nitrate in drinking water |
| CN103304038A (en) * | 2013-05-14 | 2013-09-18 | 南京大学 | Electrochemical-biological membrane synergistic reactor and application thereof in nitrogen-containing organic wastewater |
| CN105000636A (en) * | 2015-07-10 | 2015-10-28 | 中国科学院生态环境研究中心 | Method for removing cyanide from water by using copper electrode strengthened electrochemistry |
| CN107140716A (en) * | 2017-06-22 | 2017-09-08 | 河海大学 | A kind of Electrochemical adsorption combination process handles the equipment and processing method of waste water from dyestuff |
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| CN108751358A (en) * | 2018-07-06 | 2018-11-06 | 广东益诺欧环保股份有限公司 | A kind for the treatment of method and apparatus of high concentrated organic wastewater |
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| CN114212860B (en) * | 2021-12-14 | 2023-04-25 | 宁波职业技术学院 | Method for treating wastewater by nano-silver modified carbon paper anode electro-active persulfate |
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