ES2095181A1 - Un metodo para eliminar impurezas de un proceso de clorato de metal alcalino. - Google Patents

Un metodo para eliminar impurezas de un proceso de clorato de metal alcalino.

Info

Publication number
ES2095181A1
ES2095181A1 ES09400473A ES9400473A ES2095181A1 ES 2095181 A1 ES2095181 A1 ES 2095181A1 ES 09400473 A ES09400473 A ES 09400473A ES 9400473 A ES9400473 A ES 9400473A ES 2095181 A1 ES2095181 A1 ES 2095181A1
Authority
ES
Spain
Prior art keywords
ions
calcium
alkali metal
metal chlorate
carbonate
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
Application number
ES09400473A
Other languages
English (en)
Other versions
ES2095181B1 (es
Inventor
Stina Ariksson
Ulla-Kari Holmstrom
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.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka Nobel AB
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 Eka Nobel AB filed Critical Eka Nobel AB
Publication of ES2095181A1 publication Critical patent/ES2095181A1/es
Application granted granted Critical
Publication of ES2095181B1 publication Critical patent/ES2095181B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/12—Chloric acid
    • C01B11/14—Chlorates
    • C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Silicon Compounds (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

UN METODO PARA ELIMINAR IMPUREZAS DE UN PROCESO DE CLORATO DE METAL ALCALINO, QUE COMPRENDE LAS SIGUIENTES ETAPAS EN EL ORDEN INDICADO: (A) AÑADIR IONES DE CARBONATO PARA PRECIPITAR CARBONATO CALCICO; (B) AÑADIR UN COMPUESTO QUE CONTIENE HIERRO AL LIQUIDO PROCEDENTE DE LA ETAPA (A) PARA FORMAR Y PRECIPITAR UN COMPLEJO DE IONES DE HIERRO Y UN COMPUESTO DE SILICIO; Y (C) CO-SEPARAR LOS PRECIPITADOS PARA OBTENER UN LIQUIDO PURIFICADO.
ES09400473A 1993-03-09 1994-03-08 Un metodo para eliminar impurezas de un proceso de clorato de metal alcalino. Expired - Fee Related ES2095181B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9300780A SE512074C2 (sv) 1993-03-09 1993-03-09 Metod att avlägsna kalciumjoner och kiselföreningar från vätska i en alkalimetallkloratprocess

Publications (2)

Publication Number Publication Date
ES2095181A1 true ES2095181A1 (es) 1997-02-01
ES2095181B1 ES2095181B1 (es) 1997-09-01

Family

ID=20389164

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09400473A Expired - Fee Related ES2095181B1 (es) 1993-03-09 1994-03-08 Un metodo para eliminar impurezas de un proceso de clorato de metal alcalino.

Country Status (8)

Country Link
US (1) US5356610A (es)
BR (1) BR9400842A (es)
CA (1) CA2095062C (es)
ES (1) ES2095181B1 (es)
FI (1) FI114645B (es)
FR (1) FR2702466B1 (es)
NO (1) NO311251B1 (es)
SE (1) SE512074C2 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2714486A1 (en) * 2008-02-11 2009-08-20 Auxsol, Inc. Methods for removing dissolved metallic ions from aqueous solutions
CN103608289A (zh) * 2011-04-20 2014-02-26 索尔维公司 使用钙离子净化残留物的方法
CN109972163B (zh) * 2019-01-17 2021-02-12 广东鑫国泰科技有限公司 一种氯酸钠的制备方法
CN113800540B (zh) * 2021-09-30 2023-06-02 浙江镇洋发展股份有限公司 一种离子膜烧碱盐水一次精制除去硅铝的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387910A1 (fr) * 1977-04-20 1978-11-17 Asahi Chemical Ind Purification d'une solution aqueuse de chlorure de sodium
FR2622212A1 (fr) * 1987-10-21 1989-04-28 Eka Nobel Ab Procede de production d'un chlorate de metal alcalin
EP0492727A1 (en) * 1990-12-28 1992-07-01 Akzo Nobel N.V. Process for the preparation of sodium chloride

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA947010A (en) * 1971-02-23 1974-05-14 Erco Envirotech Ltd. Chlorination of alkali metal carbonates recovered from the production of pulp
FR2673423B1 (fr) * 1991-03-01 1994-04-15 Krebs Cie Procede d'elimination de sulfates contenus dans des solutions de chlorates alcalins et production desdits chlorates alcalins.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387910A1 (fr) * 1977-04-20 1978-11-17 Asahi Chemical Ind Purification d'une solution aqueuse de chlorure de sodium
FR2622212A1 (fr) * 1987-10-21 1989-04-28 Eka Nobel Ab Procede de production d'un chlorate de metal alcalin
EP0492727A1 (en) * 1990-12-28 1992-07-01 Akzo Nobel N.V. Process for the preparation of sodium chloride

Also Published As

Publication number Publication date
SE9300780D0 (sv) 1993-03-09
SE9300780L (sv) 1994-09-10
NO940762D0 (no) 1994-03-04
NO940762L (no) 1994-09-12
ES2095181B1 (es) 1997-09-01
FR2702466B1 (fr) 1997-01-03
NO311251B1 (no) 2001-11-05
US5356610A (en) 1994-10-18
FI941045A (fi) 1994-09-10
SE512074C2 (sv) 2000-01-24
CA2095062A1 (en) 1994-09-10
FI941045A0 (fi) 1994-03-04
FI114645B (fi) 2004-11-30
FR2702466A1 (fr) 1994-09-16
BR9400842A (pt) 1994-10-18
CA2095062C (en) 1999-12-21

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