CH633497A5 - Verfahren zur reduktion von reduzierbaren schadstoffen in waessrigen loesungen. - Google Patents
Verfahren zur reduktion von reduzierbaren schadstoffen in waessrigen loesungen. Download PDFInfo
- Publication number
- CH633497A5 CH633497A5 CH274378A CH274378A CH633497A5 CH 633497 A5 CH633497 A5 CH 633497A5 CH 274378 A CH274378 A CH 274378A CH 274378 A CH274378 A CH 274378A CH 633497 A5 CH633497 A5 CH 633497A5
- Authority
- CH
- Switzerland
- Prior art keywords
- catalyst
- reducing agent
- solution
- hydrogen
- activated carbon
- Prior art date
Links
- 239000007864 aqueous solution Substances 0.000 title claims description 50
- 238000000034 method Methods 0.000 title claims description 23
- 239000003344 environmental pollutant Substances 0.000 title claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 55
- 229910052739 hydrogen Inorganic materials 0.000 claims description 49
- 239000001257 hydrogen Substances 0.000 claims description 49
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 49
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 45
- 239000003054 catalyst Substances 0.000 claims description 44
- 239000003638 chemical reducing agent Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 26
- 229910052697 platinum Inorganic materials 0.000 claims description 25
- 231100000719 pollutant Toxicity 0.000 claims description 20
- 150000002739 metals Chemical class 0.000 claims description 11
- 238000006056 electrooxidation reaction Methods 0.000 claims description 9
- 229910021645 metal ion Inorganic materials 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 6
- 239000012266 salt solution Substances 0.000 claims description 6
- 150000003657 tungsten Chemical class 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 43
- -1 IID ions Chemical class 0.000 description 27
- 229910052737 gold Inorganic materials 0.000 description 16
- 239000010931 gold Substances 0.000 description 16
- 229910052709 silver Inorganic materials 0.000 description 16
- 239000004332 silver Substances 0.000 description 16
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 8
- 235000010288 sodium nitrite Nutrition 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000008098 formaldehyde solution Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000009938 salting Methods 0.000 description 3
- 229910001961 silver nitrate Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000001784 detoxification Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 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
- 206010067482 No adverse event Diseases 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- 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
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/18—Removal of treatment agents after treatment
- C02F2303/185—The treatment agent being halogen or a halogenated compound
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772714074 DE2714074C3 (de) | 1977-03-30 | 1977-03-30 | Verfahren zur katalytischen Reduktion von mit Reduktionsmitteln reduzierbaren Schadstoffen in einer wäßrigen Lösung |
| DE19772717368 DE2717368C3 (de) | 1977-04-20 | 1977-04-20 | Verfahren zum Abscheiden von Metallen aus einer Metallionen enthaltenden wäßrigen Lösung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH633497A5 true CH633497A5 (de) | 1982-12-15 |
Family
ID=25771813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH274378A CH633497A5 (de) | 1977-03-30 | 1978-03-14 | Verfahren zur reduktion von reduzierbaren schadstoffen in waessrigen loesungen. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4159309A (https=) |
| CH (1) | CH633497A5 (https=) |
| FR (1) | FR2385415A1 (https=) |
| GB (1) | GB1603325A (https=) |
| NL (1) | NL7803417A (https=) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2747562A1 (de) * | 1977-10-20 | 1979-05-03 | Schering Ag | Verfahren und anlage zur wiedergewinnung von im abwasser von anlagen zur chemischen oberflaechenbehandlung befindlichen metallen und anderen wertstoffen |
| US4420401A (en) * | 1979-05-21 | 1983-12-13 | Shipley Company Inc. | Solution waste treatment |
| US4260493A (en) * | 1979-05-21 | 1981-04-07 | Shipley Company, Inc. | Solution waste treatment |
| US4331520A (en) * | 1979-10-26 | 1982-05-25 | Prototech Company | Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers |
| JPS5741301A (en) * | 1980-08-26 | 1982-03-08 | Shinroku Kawakado | Production of powder coated with noble metal |
| DE3023703A1 (de) * | 1980-06-25 | 1982-01-21 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Verfahren zur oxidation oder reduktion von stoffen in waessriger loesung an einem katalysator, der elektrochemisch wirksam und auf poroesem traegermaterial aufgebracht ist, sowie traegerkoerper fuer den katalysator und verfahren zur herstellung eines den katalysator enthaltenden beschichtungsmaterials fuer den traegerkoerper |
| US4574071A (en) * | 1983-09-30 | 1986-03-04 | Westinghouse Electric Corp. | Process for removing dissolved oxygen from water using hydrazine |
| DE3437686C2 (de) * | 1984-10-15 | 1986-10-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reduktion von Metallionen in wäßrigen Lösungen |
| DE3500573A1 (de) * | 1985-01-10 | 1986-07-10 | Gerhard Skirde | Verfahren und vorrichtung zum entgiften oxidierbarer stoffe, insbesondere zur mineralisierung von rueckstaenden aus der produktion von herbiziden oder insektiziden, wie dioxin o.dgl. |
| DE3830850A1 (de) * | 1988-09-10 | 1990-03-22 | Gutec Gmbh | Verfahren zur entfernung des nitrit- und/oder nitratgehaltes in wasser |
| US5190627A (en) * | 1989-11-07 | 1993-03-02 | Ebara Corporation | Process for removing dissolved oxygen from water and system therefor |
| US5006262A (en) * | 1989-11-21 | 1991-04-09 | Met. Rev. Inc. | Process for recovering copper from copper ion containing aqueous solutions |
| GB2255087B (en) * | 1991-04-25 | 1995-06-21 | Robert Winston Gillham | System for cleaning contaminated water |
| GB2255088A (en) * | 1991-04-25 | 1992-10-28 | Robert Winston Gillham | Removal of contaminants from water |
| DE4123225C1 (https=) * | 1991-07-11 | 1992-11-05 | Mechanische Werkstaetten Koenigswartha Gmbh, O-8613 Koenigswartha, De | |
| EP0563669B1 (en) * | 1992-03-25 | 1999-01-27 | Kurita Water Industries Ltd. | A method of treatment of a fluid containing volatile organic halogenated compounds |
| US5490941A (en) * | 1992-03-25 | 1996-02-13 | Kurita Water Industries, Ltd. | Method of treatment of a fluid containing volatile organic halogenated compounds |
| NL9200989A (nl) * | 1992-06-04 | 1994-01-03 | Eco Purification Syst | Werkwijze en inrichting voor het zuiveren van stromen. |
| US5431825A (en) * | 1992-10-29 | 1995-07-11 | Chemical Waste Management, Inc. | Method for the reduction and stabilization of metals |
| WO1995007857A1 (en) * | 1993-09-13 | 1995-03-23 | David Reznik | Apparatus and method for reducing the redox potential of substances |
| WO2000007943A1 (en) * | 1998-08-06 | 2000-02-17 | Umpqua Research Company | Process for destroying contaminants in contaminant-containing aqueous streams and catalysts used therefor |
| US6419837B1 (en) * | 1998-08-06 | 2002-07-16 | Umpqua Research Company | Process for destroying contaminants in contaminant-containing aqueous streams and catalysts used therefor |
| KR20120115559A (ko) * | 2010-02-05 | 2012-10-18 | 바스프 에스이 | 촉매의 제조 방법 및 촉매 |
| US20110195347A1 (en) * | 2010-02-05 | 2011-08-11 | Basf Se | Process for producing a catalyst and catalyst |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3369886A (en) * | 1964-09-23 | 1968-02-20 | Exxon Research Engineering Co | Process of producing finely divided metals and alloys |
| DE1567513B2 (de) * | 1965-12-28 | 1975-05-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Hydroxylammoniumsalzen |
| US3788833A (en) * | 1972-02-18 | 1974-01-29 | Du Pont | Production of palladium-silver alloy powder |
| US3957506A (en) * | 1974-09-11 | 1976-05-18 | W. R. Grace & Co. | Catalytic water treatment to recover metal value |
| JPS5261167A (en) * | 1975-11-15 | 1977-05-20 | Agency Of Ind Science & Technol | Method of converting no2 to no and composition for converting |
-
1978
- 1978-03-14 CH CH274378A patent/CH633497A5/de not_active IP Right Cessation
- 1978-03-24 US US05/889,727 patent/US4159309A/en not_active Expired - Lifetime
- 1978-03-28 GB GB10280/78A patent/GB1603325A/en not_active Expired
- 1978-03-29 FR FR7809128A patent/FR2385415A1/fr active Granted
- 1978-03-30 NL NL7803417A patent/NL7803417A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2385415B1 (https=) | 1982-07-23 |
| FR2385415A1 (fr) | 1978-10-27 |
| NL7803417A (nl) | 1978-10-03 |
| US4159309A (en) | 1979-06-26 |
| GB1603325A (en) | 1981-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |