FR699075A - Method and apparatus for the treatment of materials - Google Patents

Method and apparatus for the treatment of materials

Info

Publication number
FR699075A
FR699075A FR699075DA FR699075A FR 699075 A FR699075 A FR 699075A FR 699075D A FR699075D A FR 699075DA FR 699075 A FR699075 A FR 699075A
Authority
FR
France
Prior art keywords
treatment
materials
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)
Inventor
Carl Busch Thorne
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 filed Critical
Application granted granted Critical
Publication of FR699075A publication Critical patent/FR699075A/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
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR699075D 1924-12-06 1925-12-02 Method and apparatus for the treatment of materials Expired FR699075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US754387A US1642978A (en) 1924-12-06 1924-12-06 Process for bleaching and like purposes

Publications (1)

Publication Number Publication Date
FR699075A true FR699075A (en) 1931-02-10

Family

ID=10242570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR699075D Expired FR699075A (en) 1924-12-06 1925-12-02 Method and apparatus for the treatment of materials

Country Status (4)

Country Link
US (1) US1642978A (en)
DE (1) DE488773C (en)
FR (1) FR699075A (en)
GB (1) GB264596A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL93061C (en) * 1950-05-11
FR1132120A (en) * 1954-10-04 1957-03-05 Mo Och Domsjoe Ab Improvements in the bleaching of fibrous materials containing cellulose
US3052592A (en) * 1958-10-15 1962-09-04 Bauer Bros Co Pulp bleaching
SE415581B (en) * 1977-04-18 1980-10-13 Mo Och Domsjoe Ab PROCEDURE FOR PEROCID WHITING OF HOG REPLACEMENT MASS
US4259150A (en) * 1978-12-18 1981-03-31 Kamyr Inc. Plural stage mixing and thickening oxygen bleaching process
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
CA2068981C (en) * 1991-05-24 1996-08-27 Michael A. Pikulin Two stage pulp bleaching reactor
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration

Also Published As

Publication number Publication date
US1642978A (en) 1927-09-20
GB264596A (en) 1927-01-21
DE488773C (en) 1930-01-13

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