FR2352746B2 - - Google Patents

Info

Publication number
FR2352746B2
FR2352746B2 FR7715528A FR7715528A FR2352746B2 FR 2352746 B2 FR2352746 B2 FR 2352746B2 FR 7715528 A FR7715528 A FR 7715528A FR 7715528 A FR7715528 A FR 7715528A FR 2352746 B2 FR2352746 B2 FR 2352746B2
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
FR7715528A
Other languages
French (fr)
Other versions
FR2352746A2 (en
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.)
Occidental Chemical Corp
Original Assignee
Hooker Chemicals and Plastics 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
Priority claimed from US05/556,379 external-priority patent/US3976758A/en
Priority claimed from US05/689,406 external-priority patent/US4049785A/en
Priority claimed from US05/689,405 external-priority patent/US4049784A/en
Priority claimed from US05/712,283 external-priority patent/US4045542A/en
Application filed by Hooker Chemicals and Plastics Corp filed Critical Hooker Chemicals and Plastics Corp
Publication of FR2352746A2 publication Critical patent/FR2352746A2/en
Application granted granted Critical
Publication of FR2352746B2 publication Critical patent/FR2352746B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • 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
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or 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
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • C01B11/025—Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00164—Controlling or regulating processes controlling the flow
FR7715528A 1975-03-07 1977-05-20 Chlorine dioxide prodn. using hydrochloric acid - with useful values recovered from salt byprod. by countercurrent washing Granted FR2352746A2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US05/556,379 US3976758A (en) 1975-03-07 1975-03-07 Production of chlorine dioxide
US68940776A 1976-05-24 1976-05-24
US05/689,406 US4049785A (en) 1975-03-07 1976-05-24 Production of chlorine dioxide with product slurry metathesis
US05/689,405 US4049784A (en) 1975-03-07 1976-05-24 Production of chlorine dioxide with product slurry metathesis
US05/712,283 US4045542A (en) 1974-12-13 1976-08-06 Production of chlorine dioxide

Publications (2)

Publication Number Publication Date
FR2352746A2 FR2352746A2 (en) 1977-12-23
FR2352746B2 true FR2352746B2 (en) 1983-07-22

Family

ID=27541902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7715528A Granted FR2352746A2 (en) 1975-03-07 1977-05-20 Chlorine dioxide prodn. using hydrochloric acid - with useful values recovered from salt byprod. by countercurrent washing

Country Status (1)

Country Link
FR (1) FR2352746A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ190344A (en) * 1978-05-18 1981-02-11 Hooker Chemicals Plastics Corp Continuous production of a mixture of chlorine dioxide, chlorine and a neutral alkali metal salt
US4206193A (en) * 1978-12-18 1980-06-03 Hooker Chemicals & Plastics Corp. Versatile process for generating chlorine dioxide

Also Published As

Publication number Publication date
FR2352746A2 (en) 1977-12-23

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Legal Events

Date Code Title Description
TP Transmission of property