FR2227217B1 - - Google Patents

Info

Publication number
FR2227217B1
FR2227217B1 FR7414907A FR7414907A FR2227217B1 FR 2227217 B1 FR2227217 B1 FR 2227217B1 FR 7414907 A FR7414907 A FR 7414907A FR 7414907 A FR7414907 A FR 7414907A FR 2227217 B1 FR2227217 B1 FR 2227217B1
Authority
FR
France
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
Application number
FR7414907A
Other versions
FR2227217A1 (fr
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.)
Pennwalt Corp
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of FR2227217A1 publication Critical patent/FR2227217A1/fr
Application granted granted Critical
Publication of FR2227217B1 publication Critical patent/FR2227217B1/fr
Expired 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
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • 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
    • B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/04—Processes using organic exchangers
    • B01J41/05—Processes using organic exchangers in the strongly basic form
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR7414907A 1973-04-30 1974-04-29 Expired FR2227217B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00355370A US3835001A (en) 1973-04-30 1973-04-30 Ion exchange removal of dichromates from electrolytically produced alkali metal chlorate-chloride solutions

Publications (2)

Publication Number Publication Date
FR2227217A1 FR2227217A1 (fr) 1974-11-22
FR2227217B1 true FR2227217B1 (fr) 1978-02-03

Family

ID=23397203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414907A Expired FR2227217B1 (fr) 1973-04-30 1974-04-29

Country Status (6)

Country Link
US (1) US3835001A (fr)
JP (1) JPS589043B2 (fr)
CA (1) CA1040582A (fr)
DE (1) DE2419690C3 (fr)
FR (1) FR2227217B1 (fr)
SE (1) SE441741B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049772A (en) * 1974-11-18 1977-09-20 Tokico, Ltd. Process for the recovery of chromic acid solution from waste water containing chromate ions
CA1035874A (fr) * 1974-11-20 1978-08-01 Huron Chemicals Limited Extraction du chromate par echange d'ions
USRE30081E (en) * 1974-11-20 1979-08-21 Huron Chemicals, Limited Ion exchange chromate removal
US4144145A (en) * 1976-04-15 1979-03-13 Solex Research Corporation Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities
JPS52143240A (en) * 1976-05-21 1977-11-29 Kiyouka Yuugen Production of noodle containing petal of safflower
US4086150A (en) * 1977-06-27 1978-04-25 Huron Chemicals Limited Chromate removal by precipitation
US4335000A (en) * 1977-09-13 1982-06-15 Pennwalt Corporation Chromate ion removal from aqueous solutions
CA1112379A (fr) * 1977-09-13 1981-11-10 Jesse G. Grier Extraction des ions chromates en solution aqueuse de chromates
US4176056A (en) * 1978-04-27 1979-11-27 Pennwalt Corporation Cyclic operation of a bed of mixed ion exchange resins
US4525483A (en) * 1980-02-04 1985-06-25 Grier Jesse G Chromate ion removal from aqueous solutions
CA1183489A (fr) * 1980-09-02 1985-03-05 Hideo Yamamoto Procede de recuperation des ions cr(vi) contenus dans le liqueur d'une cellule au chlorate
US4470890A (en) * 1981-12-21 1984-09-11 Occidental Chemical Corporation Method for preventing cathode corrosion
US4481087A (en) * 1981-12-23 1984-11-06 Occidental Chemical Corporation Process for removing chromate from solution
SE451854B (sv) * 1986-02-10 1987-11-02 Kema Nord Blekkemi Ab Sett vid framstellning av alkalimetallklorat
US4702805A (en) * 1986-03-27 1987-10-27 C-I-L Inc. Production of sodium chlorate
ES2032484T3 (es) * 1987-04-02 1993-02-16 Siemens Aktiengesellschaft Procedimiento para la modificacion de la capacidad de un intercambiador de iones para un elemento quimico determinado.
JP2516503B2 (ja) * 1991-08-20 1996-07-24 グリコ栄養食品株式会社 紅花色素製剤及びそれにより着色した食品
WO2005023529A2 (fr) 2003-09-09 2005-03-17 Vision-Ease Lens, Inc. Stratifie de polyurethanne photochromique
US7250144B2 (en) * 2005-05-11 2007-07-31 Tronox Llc Perchlorate removal from sodium chlorate process
CL2009000939A1 (es) 2008-04-30 2010-10-01 Evonik Degussa Gmbh Proceso para recuperar molibdato o tungstato desde una solucion acuosa que comprende a) contactar la solucion con un material portador inorganico cationizado e insoluble en agua, b) separar el material portador de molibdato o tungstato, c) contactarlo con una solucion acuosa con un ph entre 6 a 14 y d) separar el material saturado.
DE102010001001A1 (de) * 2010-01-19 2011-07-21 Evonik Degussa GmbH, 45128 Verfahren zur Delignifizierung und Bleiche von Zellstoff
CN102976409B (zh) * 2012-12-04 2015-05-13 北京化工大学 氯酸盐生产中重铬酸钠的回收利用的工艺
PT3066257T (pt) 2013-11-06 2019-06-04 Evonik Degussa Gmbh Método para a deslignificação e branqueamento de pasta de papel
GB2558552A (en) * 2017-01-03 2018-07-18 Ionex Sg Ltd Method for regenerating ion exchange material

Also Published As

Publication number Publication date
FR2227217A1 (fr) 1974-11-22
SE441741B (sv) 1985-11-04
JPS5013299A (fr) 1975-02-12
JPS589043B2 (ja) 1983-02-18
DE2419690C3 (de) 1985-01-24
CA1040582A (fr) 1978-10-17
DE2419690B2 (de) 1979-06-21
DE2419690A1 (de) 1974-11-14
US3835001A (en) 1974-09-10

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
ST Notification of lapse