CA1049711A - Production de dioxyde de chlore - Google Patents

Production de dioxyde de chlore

Info

Publication number
CA1049711A
CA1049711A CA208,075A CA208075A CA1049711A CA 1049711 A CA1049711 A CA 1049711A CA 208075 A CA208075 A CA 208075A CA 1049711 A CA1049711 A CA 1049711A
Authority
CA
Canada
Prior art keywords
chlorine
chlorine dioxide
sodium
continuously
equation
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
Application number
CA208,075A
Other languages
English (en)
Other versions
CA208075S (en
Inventor
W. Howard Rapson
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.)
Erco Industries Ltd
Original Assignee
Erco Industries Ltd
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 Erco Industries Ltd filed Critical Erco Industries Ltd
Priority to CA305,442A priority Critical patent/CA1053860A/fr
Application granted granted Critical
Publication of CA1049711A publication Critical patent/CA1049711A/fr
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/12Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/06Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/063Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066Separation of solid compounds from these gases; further treatment of recovered products
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/40Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA208,075A 1973-08-30 1974-08-29 Production de dioxyde de chlore Expired CA1049711A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA305,442A CA1053860A (fr) 1973-08-30 1978-06-14 Production de dioxyde de chlore et blanchiment de la pate a papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4086373 1973-08-30

Publications (1)

Publication Number Publication Date
CA1049711A true CA1049711A (fr) 1979-03-06

Family

ID=10416999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,075A Expired CA1049711A (fr) 1973-08-30 1974-08-29 Production de dioxyde de chlore

Country Status (3)

Country Link
JP (1) JPS5072893A (fr)
CA (1) CA1049711A (fr)
FR (1) FR2242514A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61289193A (ja) * 1985-06-14 1986-12-19 神崎製紙株式会社 パルプの漂白方法

Also Published As

Publication number Publication date
JPS5072893A (fr) 1975-06-16
FR2242514A1 (en) 1975-03-28
FR2242514B1 (fr) 1982-02-19

Similar Documents

Publication Publication Date Title
US3864456A (en) Manufacture of chlorine dioxide, chlorine and anhydrous sodium sulphate
US5091166A (en) Process for the production of chlorine dioxide
CA2028550C (fr) Methode de production de dioxyde de chlore
US4473540A (en) High efficiency chlorine dioxide process
US4465658A (en) Chlorine dioxide process
US3789108A (en) Production of chlorine dioxide
NZ242432A (en) Process for the conversion of sodium sesquisulphate to neutral anhydrous sodium sulphate; process and apparatus for generation of chlorine dioxide
US3760065A (en) Production of chlorine dioxide
US3793439A (en) Production of chlorine dioxide
US3755068A (en) Regeneration of chlorine dioxide for pulp treatment
US3929974A (en) Production of chlorine dioxide
US3829557A (en) Production of chlorine dioxide
CA1118580A (fr) Obtention de dioxyde de chlore a faible residu de chlore
EP0667835B1 (fr) Methathese d'un sous-produit acide obtenu au cours d'un procede de generation de dioxyde de chlore
CA1105877A (fr) Procede d'obtention de dioxyde de chlore
CA1049711A (fr) Production de dioxyde de chlore
US5474654A (en) Process for gas phase delignifying wood pulp using chlorine dioxide at subatmospheric pressure
CA2084183C (fr) Traitement electrochimique de solutions aqueuses
US3925540A (en) Production of chlorine dioxide
EP0131378B1 (fr) Procédé de production de dioxyde de chlore
CA1049950A (fr) Synthese integree de dioxyde de chlore
US3594580A (en) Chlorine dioxide process ii
US6251357B1 (en) High purity alkali metal chlorite and method of manufacture
CA1053860A (fr) Production de dioxyde de chlore et blanchiment de la pate a papier
CA1053604A (fr) Production de dioxyde de chlore integree a l'operation sans effluent d'une usine de pate et papier