ES2119959T3 - Procedimiento e instalacion para la purificacion de una solucion acuosa de cloruro de metal alcalino. - Google Patents

Procedimiento e instalacion para la purificacion de una solucion acuosa de cloruro de metal alcalino.

Info

Publication number
ES2119959T3
ES2119959T3 ES94203514T ES94203514T ES2119959T3 ES 2119959 T3 ES2119959 T3 ES 2119959T3 ES 94203514 T ES94203514 T ES 94203514T ES 94203514 T ES94203514 T ES 94203514T ES 2119959 T3 ES2119959 T3 ES 2119959T3
Authority
ES
Spain
Prior art keywords
purification
installation
metal chloride
alkaline metal
procedure
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 - Lifetime
Application number
ES94203514T
Other languages
English (en)
Inventor
Alessandra Pastacaldi
Roberto Arrighi
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.)
Solvay SA
Original Assignee
Solvay SA
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 Solvay SA filed Critical Solvay SA
Application granted granted Critical
Publication of ES2119959T3 publication Critical patent/ES2119959T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/13—Iodine; Hydrogen iodide
    • C01B7/14—Iodine
    • 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
    • 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
    • C01D3/145—Purification by solid ion-exchangers or solid chelating agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

PROCESO E INSTALACION PARA LA PURIFICACION DE UNA SOLUCION ACUOSA DE CLORURO DE METAL ALCALINO QUE CONTIENEN IONES DE YODURO, SEGUN DICHO PROCESO SE OXIDAN LOS IONES DE YODURO EN YODO MEDIANTE CLORO ACTIVO GENERADO IN SITU POR ELECTROLISIS (4) DE LA SOLUCION Y SE ELIMINA EL YODO SOBRE UNA RESINA INTERCAMBIADORA DE ANIONES (5), BASICA, HALOGENADA.
ES94203514T 1993-12-17 1994-12-05 Procedimiento e instalacion para la purificacion de una solucion acuosa de cloruro de metal alcalino. Expired - Lifetime ES2119959T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI002655A IT1265291B1 (it) 1993-12-17 1993-12-17 Procedimento e impianto per la depurazione di una soluzione acquosa di un cloruro di un metallo alcalino

Publications (1)

Publication Number Publication Date
ES2119959T3 true ES2119959T3 (es) 1998-10-16

Family

ID=11367349

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94203514T Expired - Lifetime ES2119959T3 (es) 1993-12-17 1994-12-05 Procedimiento e instalacion para la purificacion de una solucion acuosa de cloruro de metal alcalino.

Country Status (10)

Country Link
EP (1) EP0659686B1 (es)
JP (1) JP3723592B2 (es)
AT (1) ATE167165T1 (es)
BR (1) BR9404975A (es)
CA (1) CA2137314A1 (es)
DE (1) DE69410965T2 (es)
DK (1) DK0659686T3 (es)
ES (1) ES2119959T3 (es)
IT (1) IT1265291B1 (es)
NO (1) NO309007B1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3390148B2 (ja) 1998-08-28 2003-03-24 クロリンエンジニアズ株式会社 電解用塩水の精製処理方法
EP0987221B1 (en) * 1998-08-28 2007-01-03 CHLORINE ENGINEERS CORP., Ltd. Method of purification of salt solutions for electrolysis by removing iodine- and/or silicate anions by anion exchange, using zirconium hydroxide as anion exchanger
FR2894247B1 (fr) * 2005-12-07 2008-02-15 Solvay Procede pour l'epuration d'une solution aqueuse chargee en iodure, calcium, magnesium
FR2930541B1 (fr) 2008-04-29 2010-05-21 Solvay Procede d'epuration de solutions aqueuses
WO2010056864A1 (en) * 2008-11-12 2010-05-20 Becker Thomas M Iodine recovery system
JP5359466B2 (ja) * 2009-03-31 2013-12-04 ダイキン工業株式会社 ヨウ素の酸化析出方法
WO2016144969A1 (en) 2015-03-11 2016-09-15 Chemetics Inc. Iodide removal from brine using ion retardation resins
US11040903B2 (en) 2015-10-05 2021-06-22 The Chemours Company Fc, Llc Purification of NaCl brine containing iodine
CN107445262A (zh) * 2017-08-29 2017-12-08 沪东中华造船(集团)有限公司 一种次氯酸收集处理系统及其处理过程

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328037B2 (es) * 1973-12-26 1978-08-11
JPS51116196A (en) * 1975-04-05 1976-10-13 Teikoku Sekiyu Kk Method for isolation of iodine from natural bline containing iodide io n
JPS6296685A (ja) * 1985-10-23 1987-05-06 Toyo Soda Mfg Co Ltd ハロゲンイオンを含む水溶液からハロゲンを回収する方法
IT1229724B (it) * 1989-05-15 1991-09-07 Solvay Procedimento di purificazione di una soluzione acquosa di cloruro di un metallo alcalino da composti ammoniacali e iodati.

Also Published As

Publication number Publication date
EP0659686B1 (fr) 1998-06-10
IT1265291B1 (it) 1996-10-31
JP3723592B2 (ja) 2005-12-07
JPH07237919A (ja) 1995-09-12
NO944889L (no) 1995-06-19
DK0659686T3 (da) 1999-03-22
ATE167165T1 (de) 1998-06-15
DE69410965D1 (de) 1998-07-16
CA2137314A1 (fr) 1995-06-18
ITMI932655A0 (it) 1993-12-17
DE69410965T2 (de) 1999-02-11
BR9404975A (pt) 1995-08-08
NO944889D0 (no) 1994-12-16
NO309007B1 (no) 2000-11-27
EP0659686A1 (fr) 1995-06-28
ITMI932655A1 (it) 1995-06-17

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