MY107045A - Deinking and bleaching secondary fiber. - Google Patents

Deinking and bleaching secondary fiber.

Info

Publication number
MY107045A
MY107045A MYPI90001463A MYPI19901463A MY107045A MY 107045 A MY107045 A MY 107045A MY PI90001463 A MYPI90001463 A MY PI90001463A MY PI19901463 A MYPI19901463 A MY PI19901463A MY 107045 A MY107045 A MY 107045A
Authority
MY
Malaysia
Prior art keywords
deinking
secondary fiber
fiber
bleaching secondary
bleaching
Prior art date
Application number
MYPI90001463A
Inventor
Charles Naddeo Ronald
Ivanhoe Dalton Augustine
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of MY107045A publication Critical patent/MY107045A/en

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/08—Pretreatment of the finely-divided materials before digesting with oxygen-generating compounds
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Paper (AREA)

Abstract

THE BRIGHTNESS AND BLEACHABILITY OF RECYCLED SECONDARY FIBER IS ENHANCED BY SUBJECTING THE PULPED FIBER TO WASHING IN AQUEOUS SURFACTANT BEFORE AND/OR AFTER TREATMENT WITH OXYGEN-CONTAINING GAS DISPERSED IN AN AQUEOUS ALKALINE MEDIUM.(FIG 1)
MYPI90001463A 1989-10-18 1990-08-28 Deinking and bleaching secondary fiber. MY107045A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42329889A 1989-10-18 1989-10-18

Publications (1)

Publication Number Publication Date
MY107045A true MY107045A (en) 1995-09-30

Family

ID=23678370

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI90001463A MY107045A (en) 1989-10-18 1990-08-28 Deinking and bleaching secondary fiber.

Country Status (8)

Country Link
JP (1) JPH03137285A (en)
KR (1) KR930010534B1 (en)
CN (1) CN1051062A (en)
BR (1) BR9004623A (en)
CA (1) CA2023904C (en)
MX (1) MX174304B (en)
MY (1) MY107045A (en)
ZA (1) ZA907009B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2082557C (en) 1992-02-24 1997-03-11 Charles W. Hankins Integrated pulping process of waste paper yielding tissue-grade paper fibers
CN111893800B (en) * 2020-06-17 2022-07-26 宁波宝新不锈钢有限公司 Preparation method of stainless steel packing paper beneficial to flattening elongation percentage rolling

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225796A (en) * 1985-07-26 1987-02-03 松下電器産業株式会社 Voice recognition equipment

Also Published As

Publication number Publication date
ZA907009B (en) 1992-05-27
CA2023904C (en) 1995-11-28
CN1051062A (en) 1991-05-01
MX174304B (en) 1994-05-04
CA2023904A1 (en) 1991-04-19
JPH03137285A (en) 1991-06-11
BR9004623A (en) 1991-09-10
KR930010534B1 (en) 1993-10-25
KR910008224A (en) 1991-05-30

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