ES2033580B1 - Procedimiento para la separacion de sulfatos. - Google Patents

Procedimiento para la separacion de sulfatos.

Info

Publication number
ES2033580B1
ES2033580B1 ES09101663A ES9101663A ES2033580B1 ES 2033580 B1 ES2033580 B1 ES 2033580B1 ES 09101663 A ES09101663 A ES 09101663A ES 9101663 A ES9101663 A ES 9101663A ES 2033580 B1 ES2033580 B1 ES 2033580B1
Authority
ES
Spain
Prior art keywords
sulphates
separation
procedure
sulfate
chrome
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.)
Expired - Fee Related
Application number
ES09101663A
Other languages
English (en)
Other versions
ES2033580A1 (es
Inventor
Raymond E Alfrod
Felix M Mok
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemetics International Co Inc
Aker Solutions Canada Inc
Original Assignee
Chemetics International Co Ltd
Chemetics International Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chemetics International Co Ltd, Chemetics International Co Inc filed Critical Chemetics International Co Ltd
Publication of ES2033580A1 publication Critical patent/ES2033580A1/es
Application granted granted Critical
Publication of ES2033580B1 publication Critical patent/ES2033580B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA SEPARACION DE SULFATOS. PROCEDIMIENTO PARA LA SEPARACION DE SULFATOS CON RESPECTO A UN COMPONENTE CONTAMINANTE DE CROMO CONTENIDO EN UN LICOR ACUOSO POR CRISTALIZACION DE UN COMPUESTO DE SULFATO. EL SULFATO PUEDE SER SEPARADO SUSTANCIALMENTE LIBRE DEL COMPONENTE DE CROMO POR AJUSTE DEL PH EN UNA GAMA COMPRENDIDA ENTRE APROXIMADAMENTE 2,0 Y 6,5, SEGUIDO DE ENFRIAMIENTO DEL LICOR PARA PRECIPITAR EL COMPUESTO DE SULFATO DE LA SOLUCION, CUYO SULFATO ES SUBSIGUIENTEMENTE ELIMINADO. EL PROCEDIMIENTO PROPORCIONA UN METODO EFICAZ PARA LA SEPARACION DE SULFATOS DE DICROMATO Y ES PARTICULARMENTE UTIL EN LA FABRICACION DE CLORATO.
ES09101663A 1990-07-16 1991-07-16 Procedimiento para la separacion de sulfatos. Expired - Fee Related ES2033580B1 (es)

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 (2)

Publication Number Publication Date
ES2033580A1 ES2033580A1 (es) 1993-03-16
ES2033580B1 true ES2033580B1 (es) 1997-07-16

Family

ID=24206091

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09101663A Expired - Fee Related ES2033580B1 (es) 1990-07-16 1991-07-16 Procedimiento para la separacion de sulfatos.

Country Status (11)

Country Link
US (1) US5093089A (es)
JP (1) JPH0624739A (es)
CN (1) CN1050866C (es)
AU (1) AU630031B2 (es)
CA (1) CA2041914C (es)
ES (1) ES2033580B1 (es)
FI (1) FI101530B (es)
NZ (1) NZ238887A (es)
PT (1) PT98318B (es)
SE (1) SE506783C2 (es)
ZA (1) ZA915393B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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
EP2888388B1 (en) 2012-08-22 2018-10-10 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
EP3647267A4 (en) * 2017-06-26 2021-03-24 Daniel Ernesto Galli PROCESS WITH MINIMUM ENVIRONMENTAL IMPACT AND MAXIMUM LITHIUM RECOVERY TO OBTAIN CONCENTRATED BRINE WITH A MINIMUM IMPURITY CONTENT FROM BRINE THAT IMPREGNATES SALINES AND NATURAL SALT MINES

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN1050866C (zh) 2000-03-29
AU7612691A (en) 1992-01-16
PT98318B (pt) 1999-01-29
CA2041914C (en) 1997-12-30
FI101530B1 (fi) 1998-07-15
SE506783C2 (sv) 1998-02-09
AU630031B2 (en) 1992-10-15
US5093089A (en) 1992-03-03
ZA915393B (en) 1992-06-24
SE9102169D0 (sv) 1991-07-12
FI101530B (fi) 1998-07-15
JPH0624739A (ja) 1994-02-01
ES2033580A1 (es) 1993-03-16
FI913234A (fi) 1992-01-17
PT98318A (pt) 1992-05-29
SE9102169L (sv) 1992-01-17
FI913234A0 (fi) 1991-07-03
CN1058240A (zh) 1992-01-29
NZ238887A (en) 1992-08-26
CA2041914A1 (en) 1992-01-17

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