BE769478A - WOOD PULP BLEACHING PROCESS - Google Patents

WOOD PULP BLEACHING PROCESS

Info

Publication number
BE769478A
BE769478A BE769478A BE769478A BE769478A BE 769478 A BE769478 A BE 769478A BE 769478 A BE769478 A BE 769478A BE 769478 A BE769478 A BE 769478A BE 769478 A BE769478 A BE 769478A
Authority
BE
Belgium
Prior art keywords
wood pulp
bleaching process
pulp bleaching
wood
pulp
Prior art date
Application number
BE769478A
Other languages
French (fr)
Inventor
R M Lincolnet J A Meyers Iii
R M Lincoln
J A Meyers Iii
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of BE769478A publication Critical patent/BE769478A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/02—Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
    • Y10T156/1085—One web only
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y10T428/24413—Metal or metal compound
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y10T428/24421—Silicon containing
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249933—Fiber embedded in or on the surface of a natural or synthetic rubber matrix
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/50—FELT FABRIC
    • Y10T442/59—At least three layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Paper (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
BE769478A 1970-07-24 1971-07-02 WOOD PULP BLEACHING PROCESS BE769478A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5819870A 1970-07-24 1970-07-24
US5879870A 1970-07-24 1970-07-24
US14130971A 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
BE769478A true BE769478A (en) 1972-01-03

Family

ID=27369412

Family Applications (1)

Application Number Title Priority Date Filing Date
BE769478A BE769478A (en) 1970-07-24 1971-07-02 WOOD PULP BLEACHING PROCESS

Country Status (7)

Country Link
US (2) US3707437A (en)
BE (1) BE769478A (en)
CA (2) CA949263A (en)
DE (2) DE2128723A1 (en)
FR (2) FR2100243A5 (en)
GB (1) GB1305496A (en)
NL (1) NL7109280A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789730A (en) * 1971-10-07 1973-04-05 Bitumarin Nv PROCESS FOR MANUFACTURING LARGE SHEETS OF COATED MATERIAL AND THEIR APPLICATION TO HYDRAULIC ENGINEERING
US4032491A (en) * 1973-10-19 1977-06-28 Butler-Schoenke Roofing Specialties, Inc. Roofing composition and resulting product
GB1577561A (en) * 1976-04-29 1980-10-29 Cons Fiberglass Prod Fibreglass mat
US4250221A (en) * 1976-04-29 1981-02-10 Consolidated Fiberglass Products Co. Fiberglass mat
US4559103A (en) * 1982-08-05 1985-12-17 Honshu Seishi Kabushiki Kaisha Packaging paper and packaging material for packaging metallic material and method of producing the same
FR2640288B1 (en) * 1988-12-13 1993-06-18 Rhone Poulenc Fibres NON-WOVEN TABLECLOTH SUPPORT IN CHEMICAL TEXTILE AND METHOD OF MANUFACTURING THE SAME
US5274139A (en) * 1993-02-26 1993-12-28 University Of Florida Method for effective reaction between oxygen and organic substance utilizing regenerable hydroperioxide oxidant
US9631367B2 (en) 2011-08-05 2017-04-25 Certainteed Corporation System, method and apparatus for increasing surface solar reflectance of roofing
CA2783921A1 (en) 2011-08-05 2013-02-05 Certainteed Corporation System, method and apparatus for increasing surface solar reflectance of roofing
US10858833B2 (en) 2016-04-01 2020-12-08 Certainteed Corporation Roofing shingle
USD855220S1 (en) * 2016-04-01 2019-07-30 Certainteed Corporation Shingle

Also Published As

Publication number Publication date
FR2100243A5 (en) 1972-03-17
NL7109280A (en) 1972-01-26
GB1305496A (en) 1973-01-31
US3707437A (en) 1972-12-26
DE2128723A1 (en) 1972-01-27
CA949263A (en) 1974-06-18
DE2222915C3 (en) 1975-05-07
CA977520A (en) 1975-11-11
US3707432A (en) 1972-12-26
DE2222915A1 (en) 1973-05-24
DE2222915B2 (en) 1974-09-19
FR2139310A5 (en) 1973-01-05

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