FR982163A - Improvements to bleaching processes - Google Patents

Improvements to bleaching processes

Info

Publication number
FR982163A
FR982163A FR982163DA FR982163A FR 982163 A FR982163 A FR 982163A FR 982163D A FR982163D A FR 982163DA FR 982163 A FR982163 A FR 982163A
Authority
FR
France
Prior art keywords
bleaching processes
bleaching
processes
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
Other languages
French (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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Application granted granted Critical
Publication of FR982163A publication Critical patent/FR982163A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
    • D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
    • D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
    • D06L4/26—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide combined with specific additives

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Paper (AREA)
FR982163D 1949-01-14 1949-01-14 Improvements to bleaching processes Expired FR982163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982163T 1949-01-14

Publications (1)

Publication Number Publication Date
FR982163A true FR982163A (en) 1951-06-07

Family

ID=8834844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982163D Expired FR982163A (en) 1949-01-14 1949-01-14 Improvements to bleaching processes

Country Status (6)

Country Link
BE (1) BE493124A (en)
CH (1) CH289967A (en)
DE (1) DE821483C (en)
FR (1) FR982163A (en)
GB (1) GB682694A (en)
NL (1) NL77714C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932550A (en) * 1953-10-14 1960-04-12 Chemstrand Corp Acid pretreatment of polyacrylonitrile-type fibers and the treated fibers
US2952505A (en) * 1953-10-14 1960-09-13 Chemstrand Corp Process for dyeing shaped articles
DE1087561B (en) * 1953-12-15 1960-08-25 Hoechst Ag Process to reduce the escape of chlorine dioxide from acidic chlorite baths or chlorine dioxide solutions
DE1089722B (en) * 1956-10-19 1960-09-29 Degussa Method of bleaching
IT627371A (en) * 1959-03-26

Also Published As

Publication number Publication date
GB682694A (en) 1952-11-12
NL77714C (en) 1955-04-15
DE821483C (en) 1951-11-19
CH289967A (en) 1953-04-15
BE493124A (en) 1950-07-05

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