SE9102169L - Foerfarande foer avskiljning av sulfat - Google Patents
Foerfarande foer avskiljning av sulfatInfo
- Publication number
- SE9102169L SE9102169L SE9102169A SE9102169A SE9102169L SE 9102169 L SE9102169 L SE 9102169L SE 9102169 A SE9102169 A SE 9102169A SE 9102169 A SE9102169 A SE 9102169A SE 9102169 L SE9102169 L SE 9102169L
- Authority
- SE
- Sweden
- Prior art keywords
- sulphate
- separation
- procedure
- compound
- chromium component
- Prior art date
Links
- 229910021653 sulphate ion Inorganic materials 0.000 title abstract 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 4
- 238000000926 separation method Methods 0.000 title abstract 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 2
- 229910052804 chromium Inorganic materials 0.000 abstract 2
- 239000011651 chromium Substances 0.000 abstract 2
- -1 sulphate compound Chemical class 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
- C01D3/16—Purification by precipitation or adsorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/552,620 US5093089A (en) | 1990-07-16 | 1990-07-16 | Process for the separation of sulphate |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9102169D0 SE9102169D0 (sv) | 1991-07-12 |
| SE9102169L true SE9102169L (sv) | 1992-01-17 |
| SE506783C2 SE506783C2 (sv) | 1998-02-09 |
Family
ID=24206091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9102169A SE506783C2 (sv) | 1990-07-16 | 1991-07-12 | Förfarande för att avskilja ett alkalimetallsulfat från en vattenhaltig vätska innehållande en kromkomponent |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5093089A (sv) |
| JP (1) | JPH0624739A (sv) |
| CN (1) | CN1050866C (sv) |
| AU (1) | AU630031B2 (sv) |
| CA (1) | CA2041914C (sv) |
| ES (1) | ES2033580B1 (sv) |
| FI (1) | FI101530B (sv) |
| NZ (1) | NZ238887A (sv) |
| PT (1) | PT98318B (sv) |
| SE (1) | SE506783C2 (sv) |
| ZA (1) | ZA915393B (sv) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2100948C (en) * | 1992-04-22 | 1995-01-24 | John Robert Jackson | Process for chromium removal using an inorganic sulfur compound |
| SE500107C2 (sv) * | 1991-06-26 | 1994-04-18 | Eka Nobel Ab | Förfarande för framställning av klordioxid |
| US5520902A (en) * | 1994-11-25 | 1996-05-28 | Occidental Chemical Corporation | Process for making chromium-free orthorhombic sodium sulfate |
| JP4012058B2 (ja) | 2001-12-21 | 2007-11-21 | キヤノン株式会社 | リサイクル性重合体、その製造方法、ならびにリサイクル処理方法 |
| EP1759749A1 (en) * | 2005-08-30 | 2007-03-07 | F.Hoffmann-La Roche Ag | Method for crystallization of a weakly acidic and/or weakly basic compound |
| CA2880358A1 (en) | 2012-08-22 | 2014-02-27 | Chemetics Inc. | Side stream removal of impurities in electrolysis systems |
| CN103539164B (zh) * | 2013-11-01 | 2016-05-25 | 四川省银河化学股份有限公司 | 一种由含铬芒硝精制元明粉的方法 |
| CN105907991B (zh) * | 2016-06-30 | 2018-01-05 | 华南理工大学 | 一种含六价铬废渣提取回收铬的脱毒处理方法 |
| CN106048239B (zh) * | 2016-06-30 | 2018-07-20 | 华南理工大学 | 一种含六价铬废渣的资源循环再利用的处理方法 |
| CN111448164A (zh) * | 2017-06-26 | 2020-07-24 | 丹尼尔·恩内斯托·加利 | 从天然盐滩和盐沼中的盐水获得最低杂质含量的浓缩盐水的方法，所述方法具有最小环境影响和最大锂回收 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2450259B2 (de) * | 1974-10-23 | 1979-03-29 | Bayer Ag, 5090 Leverkusen | Verfahren zur Reinigung von Elektrolysesole |
| DE2709728C2 (de) * | 1977-03-05 | 1981-10-29 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Chlor und Alkalihydroxid durch Elektrolyse unter Einsatz von calcium- und/oder sulfathaltigem Rohsalz |
| US4268486A (en) * | 1979-07-02 | 1981-05-19 | Olin Corporation | Selective chromate removal from a chlorate solution |
| US4259297A (en) * | 1979-09-04 | 1981-03-31 | Olin Corporation | Chromate removal from concentrated chlorate solution by chemical precipitation |
| CA1183489A (en) * | 1980-09-02 | 1985-03-05 | Hideo Yamamoto | Process for recovering cr(vi) ions from a chlorate cell liquor |
| US4636376A (en) * | 1985-09-30 | 1987-01-13 | Ppg Industries, Inc. | Sulfate removal from alkali metal chlorate solutions |
| US4702805A (en) * | 1986-03-27 | 1987-10-27 | C-I-L Inc. | Production of sodium chlorate |
| SE455706B (sv) * | 1986-12-04 | 1988-08-01 | Eka Nobel Ab | Sett vid framstellning av alkaliemetallklorat |
| CA1314688C (en) * | 1987-09-14 | 1993-03-23 | Ian Harry Warren | Stripping and recovery of dichromate in electrolytic chlorate systems |
-
1990
- 1990-07-16 US US07/552,620 patent/US5093089A/en not_active Expired - Lifetime
-
1991
- 1991-04-29 AU AU76126/91A patent/AU630031B2/en not_active Ceased
- 1991-05-07 CA CA002041914A patent/CA2041914C/en not_active Expired - Lifetime
- 1991-07-03 FI FI913234A patent/FI101530B/sv not_active IP Right Cessation
- 1991-07-09 NZ NZ238887A patent/NZ238887A/en unknown
- 1991-07-11 ZA ZA915393A patent/ZA915393B/xx unknown
- 1991-07-12 SE SE9102169A patent/SE506783C2/sv not_active IP Right Cessation
- 1991-07-15 JP JP3198315A patent/JPH0624739A/ja active Pending
- 1991-07-15 PT PT98318A patent/PT98318B/pt not_active IP Right Cessation
- 1991-07-16 CN CN91104682A patent/CN1050866C/zh not_active Expired - Fee Related
- 1991-07-16 ES ES09101663A patent/ES2033580B1/es not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SE9102169D0 (sv) | 1991-07-12 |
| CA2041914A1 (en) | 1992-01-17 |
| AU630031B2 (en) | 1992-10-15 |
| FI101530B1 (sv) | 1998-07-15 |
| FI101530B (sv) | 1998-07-15 |
| JPH0624739A (ja) | 1994-02-01 |
| FI913234A (fi) | 1992-01-17 |
| CA2041914C (en) | 1997-12-30 |
| PT98318B (pt) | 1999-01-29 |
| ES2033580A1 (es) | 1993-03-16 |
| ES2033580B1 (es) | 1997-07-16 |
| AU7612691A (en) | 1992-01-16 |
| CN1058240A (zh) | 1992-01-29 |
| PT98318A (pt) | 1992-05-29 |
| CN1050866C (zh) | 2000-03-29 |
| US5093089A (en) | 1992-03-03 |
| SE506783C2 (sv) | 1998-02-09 |
| ZA915393B (en) | 1992-06-24 |
| NZ238887A (en) | 1992-08-26 |
| FI913234A0 (fi) | 1991-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE9102169D0 (sv) | Foerfarande foer avskiljning av sulfat | |
| FI930736A0 (fi) | Foerfarande foer framstaellning av ramnos fraon ramnolipider | |
| DK0581216T3 (da) | Fremgangsmåde til fremstilling af titanoxidcoatingsfilm | |
| BR9607438A (pt) | Processo de recuperação de um composto orgânico de soluções | |
| DK0534865T3 (sv) | ||
| AU5513499A (en) | Method for producing sodium chloride crystals | |
| SE8900332D0 (sv) | Stripping and recovery of dichromate in electrolytic chlorate systems | |
| FR2446258A1 (fr) | Nouveau procede de fabrication de composes oxhydryles de nickel | |
| SE9100657D0 (sv) | Avlaegsnande av sulfat fraan alkalimetallkloratloesningar och framstaellning av alkaliklorat inklusive naemnda avlaegsnande | |
| CA2343952A1 (en) | Process for producing potassium sulfate from potash and sodium sulfate | |
| AU8488491A (en) | Process for treating dinitroanilines with sulfite to reduce impurities and to reduce the ability to produce nitrosamines | |
| ATE13318T1 (de) | Behandlung von natrium-wolframat-laugenloesungen, die geloeste kieselsaeure-, phosphor- und fluorverunreinigungen enthalten. | |
| DE69018037D1 (de) | Gleichzeitige Herstellung von Zitronensäure und Alkalizitraten. | |
| IL72104A (en) | Process for forming small particles of organic compounds | |
| ES2123599T3 (es) | Procedimiento para la produccion de 2-halogeno-4,6-dialcoxipirimidinas. | |
| SE9300779L (sv) | Metod för avskiljning av föroreningar från en vattenhaltig alkalimetallkloratelektrolyt | |
| SE9300780D0 (sv) | A method for removing impurities from an alkali metal chlorate process | |
| ATE50234T1 (de) | Verfahren zur herstellung von kristallinem ammoniummetawolframat. | |
| IT1242038B (it) | Procedimento per produrre solfato di rame da un liquido di scarto contenente rame. | |
| TH7531A (th) | กรรมวิธีสำหรับการเตรียมโพแทสเซียม เพอร์ซัลเฟทที่มีความบริสุทธิ์สูง | |
| SE9001927L (sv) | Saett vid kloratframstaellning | |
| DE69118595D1 (de) | Verfahren zur Reinigung von 2-Chloropropionsäure | |
| GB982241A (en) | A process for the purification of interferon | |
| ATE52259T1 (de) | Verfahren zur ringoeffnung von gem-dicyanoepoxyden und verbindungen, die durch dieses verfahren erhalten werden. | |
| GB986736A (en) | Process for producing glutamic acid from fermentation broth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |