JPH02172590A - 水溶液から亜硝酸塩および硝酸塩を無残渣で除去する方法 - Google Patents
水溶液から亜硝酸塩および硝酸塩を無残渣で除去する方法Info
- Publication number
- JPH02172590A JPH02172590A JP1271913A JP27191389A JPH02172590A JP H02172590 A JPH02172590 A JP H02172590A JP 1271913 A JP1271913 A JP 1271913A JP 27191389 A JP27191389 A JP 27191389A JP H02172590 A JPH02172590 A JP H02172590A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- negative electrode
- nitrates
- aqueous solution
- nitrites
- 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.)
- Pending
Links
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 title claims abstract description 15
- 239000007864 aqueous solution Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 20
- 229910002651 NO3 Inorganic materials 0.000 title abstract description 19
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 45
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 239000003054 catalyst Substances 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 239000002250 absorbent Substances 0.000 claims abstract description 9
- 230000002745 absorbent Effects 0.000 claims abstract description 9
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 35
- 239000000243 solution Substances 0.000 claims description 21
- 150000002823 nitrates Chemical class 0.000 claims description 18
- 150000002826 nitrites Chemical class 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 231100000252 nontoxic Toxicity 0.000 claims description 3
- 230000003000 nontoxic effect Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000003440 toxic substance Substances 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- -1 N01N Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003643 water by type 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
-
- 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
- C02F2101/163—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/903—Nitrogenous
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3927/88A CH675715A5 (enExample) | 1988-10-21 | 1988-10-21 | |
| CH3927/88-0 | 1988-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02172590A true JPH02172590A (ja) | 1990-07-04 |
Family
ID=4266484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1271913A Pending JPH02172590A (ja) | 1988-10-21 | 1989-10-20 | 水溶液から亜硝酸塩および硝酸塩を無残渣で除去する方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4956057A (enExample) |
| JP (1) | JPH02172590A (enExample) |
| CH (1) | CH675715A5 (enExample) |
| DE (1) | DE3933206A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376240A (en) * | 1991-11-04 | 1994-12-27 | Olin Corporation | Process for the removal of oxynitrogen species for aqueous solutions |
| DE4207962A1 (de) * | 1992-03-13 | 1993-09-16 | Solvay Umweltchemie Gmbh | Katalytisches wirbelschichtverfahren zur behandlung waessriger fluessigkeiten |
| US5266174A (en) * | 1992-05-12 | 1993-11-30 | Martin Marietta Energy Systems, Inc. | Process for reducing aqueous nitrate to ammonia |
| DE4344613C2 (de) * | 1993-12-24 | 1997-07-17 | Hahnewald Gmbh | Verfahren zur katalytisch-elektrochemischen Reduktion nitrathaltiger Lösungen sowie Verwendung der behandelten wäßrigen Lösungen als Regeneriermittel für Ionenaustauscher |
| 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 |
| JP3012795B2 (ja) * | 1995-11-01 | 2000-02-28 | 核燃料サイクル開発機構 | 放射性廃液の処理方法 |
| FI955333A0 (fi) * | 1995-11-06 | 1995-11-06 | Juhani Ilves | Anordning foer rening av vatten |
| GB2332210B (en) * | 1997-12-10 | 2000-07-19 | Toshiba Kk | Processing method of waste water and processing apparatus thereof |
| US6251354B1 (en) * | 1999-04-02 | 2001-06-26 | General Electric Co. | Process for recovering sodium nitrite |
| JP3530511B2 (ja) * | 2001-09-19 | 2004-05-24 | 三洋電機株式会社 | 窒素処理方法及び窒素処理システム |
| JP3906088B2 (ja) * | 2002-02-04 | 2007-04-18 | 三洋電機株式会社 | 水処理装置 |
| US9187347B2 (en) * | 2002-11-19 | 2015-11-17 | Xogen Technologies Inc. | Treatment of a waste stream through production and utilization of oxyhydrogen gas |
| DE60331110D1 (de) * | 2002-11-19 | 2010-03-11 | Xogen Technologies Inc | Abwässerbehandlung durch Erzeugung und Verbrauch von H2- und O2- Gas |
| US9296629B2 (en) | 2002-11-19 | 2016-03-29 | Xogen Technologies Inc. | Treatment of a waste stream through production and utilization of oxyhydrogen gas |
| LT5288B (lt) | 2005-03-09 | 2005-11-25 | Uždaroji akcinė bendrovė GERVA | Buitinės jonitinės filtravimo kasetės atnaujinimobūdas, geriamo vandens jonitinis filtras ir geriamo vandens filtravimo nuo nitratų priemonė |
| EP2675758B1 (en) | 2011-02-14 | 2017-12-27 | Council of Scientific & Industrial Research | An improved electrochemical coagulation process for the removal of nitrate from drinking water |
| RU2471718C1 (ru) * | 2011-09-19 | 2013-01-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Тверской государственный университет | Способ удаления нитрит-ионов из водных растворов |
| CN114853229A (zh) | 2016-03-08 | 2022-08-05 | 技术研究及发展基金有限公司 | 来自盐水水产养殖系统的氮物质的消毒和去除 |
| RU2625466C1 (ru) * | 2016-03-22 | 2017-07-14 | Федеральное государственное бюджетное научное учреждение "Поволжский научно-исследовательский институт производства и переработки мясомолочной продукции" | Способ удаления нитрит-ионов из водных растворов |
| WO2020028570A1 (en) * | 2018-08-03 | 2020-02-06 | The Board Of Trustees Of The Leland Stanford Junior University | A method for the electrochemical synthesis of ammonia from nitrates and water |
| CN110980892A (zh) * | 2019-10-29 | 2020-04-10 | 东莞理工学院 | 一种活化阴极新生氢快速还原去除水体中硝态氮和亚硝态氮的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3994790A (en) * | 1974-02-15 | 1976-11-30 | Inoue-Japan Research Inc. | Method of treating a waste gas |
| US4312722A (en) * | 1978-10-06 | 1982-01-26 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for preparing nitrites |
| DE3047988C2 (de) * | 1980-12-19 | 1982-11-04 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zur Verringerung des Säuregehaltes einer salpetersauren Lösung unter Verwendung eines Elektrolysestromes und Vorrichtung zur Durchführung des Verfahrens |
| DE3342970A1 (de) * | 1983-11-28 | 1985-06-05 | Varta Batterie Ag, 3000 Hannover | Verfahren zur entfernung von nitrat- und nitridresten aus ablaugen |
| US4571329A (en) * | 1984-08-13 | 1986-02-18 | Babcock-Hitachi Kabushiki Kaisha | Ammonia reduction-denitration process and apparatus therefor |
-
1988
- 1988-10-21 CH CH3927/88A patent/CH675715A5/de not_active IP Right Cessation
-
1989
- 1989-10-05 DE DE3933206A patent/DE3933206A1/de not_active Withdrawn
- 1989-10-13 US US07/420,954 patent/US4956057A/en not_active Expired - Fee Related
- 1989-10-20 JP JP1271913A patent/JPH02172590A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH675715A5 (enExample) | 1990-10-31 |
| US4956057A (en) | 1990-09-11 |
| DE3933206A1 (de) | 1990-04-26 |
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