FR2402623A1 - Procede pour eliminer les ions chromate de solutions aqueuses de chlorates - Google Patents
Procede pour eliminer les ions chromate de solutions aqueuses de chloratesInfo
- Publication number
- FR2402623A1 FR2402623A1 FR7826193A FR7826193A FR2402623A1 FR 2402623 A1 FR2402623 A1 FR 2402623A1 FR 7826193 A FR7826193 A FR 7826193A FR 7826193 A FR7826193 A FR 7826193A FR 2402623 A1 FR2402623 A1 FR 2402623A1
- Authority
- FR
- France
- Prior art keywords
- chromate ions
- solutions
- aqueous solutions
- chlorates
- aqueous chlorate
- 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.)
- Granted
Links
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 title abstract 6
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000003957 anion exchange resin Substances 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/04—Mixed-bed processes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Non-Alcoholic Beverages (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Detergent Compositions (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83286677A | 1977-09-13 | 1977-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2402623A1 true FR2402623A1 (fr) | 1979-04-06 |
| FR2402623B1 FR2402623B1 (enrdf_load_stackoverflow) | 1983-03-25 |
Family
ID=25262810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7826193A Granted FR2402623A1 (fr) | 1977-09-13 | 1978-09-12 | Procede pour eliminer les ions chromate de solutions aqueuses de chlorates |
Country Status (20)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176056A (en) * | 1978-04-27 | 1979-11-27 | Pennwalt Corporation | Cyclic operation of a bed of mixed ion exchange resins |
| US4259297A (en) * | 1979-09-04 | 1981-03-31 | Olin Corporation | Chromate removal from concentrated chlorate solution by chemical precipitation |
| CA1247761A (en) * | 1983-12-13 | 1988-12-28 | Robert Kunin | Method for treating aqueous solutions with weakly acidic cation exchange resins |
| US4547291A (en) * | 1983-12-13 | 1985-10-15 | The Graver Company | Method for treating aqueous solutions with weakly acidic cation exchange resins |
| CN102641561B (zh) | 2004-02-20 | 2017-08-25 | 佛罗里达大学研究基金会公司 | 用于提供适形放射治疗同时对软组织进行成像的系统 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB760524A (en) * | 1954-05-21 | 1956-10-31 | Permutit Co Ltd | Improvements relating to the recovery of chromic or phosphoric acid |
| US3835001A (en) * | 1973-04-30 | 1974-09-10 | Penn Olin Chem Co | Ion exchange removal of dichromates from electrolytically produced alkali metal chlorate-chloride solutions |
| US3980751A (en) * | 1974-11-20 | 1976-09-14 | Huron Chemicals Limited | Ion exchange chromate removal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972810A (en) * | 1974-07-15 | 1976-08-03 | Chemical Separations Corporation | Removal of chromium, chromate, molybdate and zinc |
| JPS5148563A (en) * | 1974-10-24 | 1976-04-26 | Kurita Water Ind Ltd | Kuromuganjuhaisuino shoriho |
| JPS5290164A (en) * | 1976-01-23 | 1977-07-28 | Kurita Water Ind Ltd | Method for treating water containing 6 valment chromium |
-
1978
- 1978-08-11 CA CA309,206A patent/CA1112379A/en not_active Expired
- 1978-08-16 AU AU38976/78A patent/AU522562B2/en not_active Expired
- 1978-08-30 NL NLAANVRAGE7808907,A patent/NL187051C/xx not_active IP Right Cessation
- 1978-08-31 AR AR273514A patent/AR219127A1/es active
- 1978-09-05 BE BE190262A patent/BE870214A/xx not_active IP Right Cessation
- 1978-09-07 FI FI782748A patent/FI67494C/fi not_active IP Right Cessation
- 1978-09-08 MX MX174823A patent/MX150616A/es unknown
- 1978-09-11 DD DD78207744A patent/DD138303A5/xx not_active IP Right Cessation
- 1978-09-11 DK DK398878A patent/DK157360C/da not_active IP Right Cessation
- 1978-09-11 PL PL1978209536A patent/PL112445B1/pl unknown
- 1978-09-11 IT IT51044/78A patent/IT1107755B/it active
- 1978-09-11 SE SE7809547A patent/SE431440B/sv not_active IP Right Cessation
- 1978-09-12 JP JP11137278A patent/JPS5450488A/ja active Granted
- 1978-09-12 FR FR7826193A patent/FR2402623A1/fr active Granted
- 1978-09-12 GB GB7836518A patent/GB2004262B/en not_active Expired
- 1978-09-12 NO NO783088A patent/NO151999C/no unknown
- 1978-09-12 BR BR7805948A patent/BR7805948A/pt unknown
- 1978-09-13 HU HU78PE1051A patent/HU182557B/hu unknown
- 1978-09-13 DE DE19782839894 patent/DE2839894A1/de active Granted
- 1978-09-13 YU YU02165/78A patent/YU216578A/xx unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB760524A (en) * | 1954-05-21 | 1956-10-31 | Permutit Co Ltd | Improvements relating to the recovery of chromic or phosphoric acid |
| US3835001A (en) * | 1973-04-30 | 1974-09-10 | Penn Olin Chem Co | Ion exchange removal of dichromates from electrolytically produced alkali metal chlorate-chloride solutions |
| US3980751A (en) * | 1974-11-20 | 1976-09-14 | Huron Chemicals Limited | Ion exchange chromate removal |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/64 * |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2424335A1 (fr) | Procede pour l'elimination d'impuretes presentes a raison de quelques parties par milliard dans des saumures de chlorures de metaux alcalins | |
| FR2389684A1 (enrdf_load_stackoverflow) | ||
| SE8701269D0 (sv) | Production of sodium chlorate | |
| FR2449061A1 (fr) | Procede pour produire de l'oxyde d'aluminium pur a partir de solutions contenant des ions d'aluminium et de fer dissous | |
| FR2439825A1 (fr) | Procede de traitement continu de toles en acier, notamment pour le decapage chimique | |
| FR2402623A1 (fr) | Procede pour eliminer les ions chromate de solutions aqueuses de chlorates | |
| ES8102599A1 (es) | Procedimiento electroquimico de regenerar banos de acido cromico usados y perfeccionamientos en las celulas de elec- trodialisis | |
| FR2424050A1 (fr) | Procede cyclique pour eliminer des ions d'une solution aqueuse de charge | |
| ATE13318T1 (de) | Behandlung von natrium-wolframat-laugenloesungen, die geloeste kieselsaeure-, phosphor- und fluorverunreinigungen enthalten. | |
| FR2630726B1 (fr) | Procede de traitement des eaux usees par electrolyse a anode soluble | |
| CH540295A (fr) | Procédé de séparation de la bétaïne d'une solution aqueuse contenant des impuretés | |
| FR2544750B1 (fr) | Procede de traitement d'une solution de purge notamment destinee a un procede d'extraction de zinc par voie electrolytique | |
| SE8305252D0 (sv) | Procede de purification de solutions aqueuses uraniferes contenant du zirconium et/ou de hafnium entre autres impuretes | |
| FR2506752A1 (fr) | Composition de ciment hydraulique et de ciment portland, procede de broyage de ciment hydraulique, procede de production de sels d'amine et sels d'amine obtenus | |
| FR2436196A1 (fr) | Procede de production de magnesium a partir d'une solution de sel contenant du sulfate de magnesium | |
| FR2421952A1 (fr) | Procede de recuperation des acides et du zirconium contenus dans les solutions de decapage | |
| FR2382514A1 (fr) | Procede perfectionne pour preparer du chlore et un hydroxyde de metal alcalin par electrolyse d'un chlorure alcalin brut contenant du calcium et/ou des sulfates | |
| OA04982A (fr) | Procédé de récupération de métaux à partir de solutions de sels d'ammonium contenant des métallammines à l'aide de résines échangeuses d'ions. | |
| FR2083374A1 (fr) | Procede de recuperation de mercure des boues de filtration de la saumure provenant d'une electrolyse d'un chlorure alcalin fonctionnant selon le procede a l'amalgame | |
| PT77232B (fr) | Procede pour la dissolution selective du plomb | |
| FR2401100A1 (fr) | Procede de preparation d'eau completement demineralisee | |
| BE903838A (fr) | Procede de purification de solutions aqueuses d'acide chlorhydrique a teneur en chlorure ferreux. | |
| FR2398034A1 (enrdf_load_stackoverflow) | ||
| FR2309470A1 (fr) | Procede de purification de l'hydroxyde de sodium | |
| FR2372119A1 (fr) | Procede de traitement de saumures contenant du chlorure de magnesium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |