KR930010534B1 - 펄프의 잉크 제거 및 표백 방법 - Google Patents

펄프의 잉크 제거 및 표백 방법 Download PDF

Info

Publication number
KR930010534B1
KR930010534B1 KR1019900015001A KR900015001A KR930010534B1 KR 930010534 B1 KR930010534 B1 KR 930010534B1 KR 1019900015001 A KR1019900015001 A KR 1019900015001A KR 900015001 A KR900015001 A KR 900015001A KR 930010534 B1 KR930010534 B1 KR 930010534B1
Authority
KR
South Korea
Prior art keywords
pulp
surfactant
oxygen
bleaching
reaction
Prior art date
Application number
KR1019900015001A
Other languages
English (en)
Korean (ko)
Other versions
KR910008224A (ko
Inventor
챨스 나데오 로날드
이바노에 달톤 오거스틴
Original Assignee
에어 프로덕츠 앤드 케미칼스, 인코오포레이티드
윌리암 에프. 마쉬
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 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드, 윌리암 에프. 마쉬 filed Critical 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드
Publication of KR910008224A publication Critical patent/KR910008224A/ko
Application granted granted Critical
Publication of KR930010534B1 publication Critical patent/KR930010534B1/ko

Links

Images

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)
KR1019900015001A 1989-10-18 1990-09-18 펄프의 잉크 제거 및 표백 방법 KR930010534B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42329889A 1989-10-18 1989-10-18
US423,298 1989-10-18

Publications (2)

Publication Number Publication Date
KR910008224A KR910008224A (ko) 1991-05-30
KR930010534B1 true KR930010534B1 (ko) 1993-10-25

Family

ID=23678370

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900015001A KR930010534B1 (ko) 1989-10-18 1990-09-18 펄프의 잉크 제거 및 표백 방법

Country Status (8)

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

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 (zh) * 2020-06-17 2022-07-26 宁波宝新不锈钢有限公司 一种有利于平整延伸率轧出的不锈钢垫纸的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225796A (ja) * 1985-07-26 1987-02-03 松下電器産業株式会社 音声認識装置

Also Published As

Publication number Publication date
MY107045A (en) 1995-09-30
ZA907009B (en) 1992-05-27
CN1051062A (zh) 1991-05-01
JPH03137285A (ja) 1991-06-11
BR9004623A (pt) 1991-09-10
CA2023904A1 (en) 1991-04-19
CA2023904C (en) 1995-11-28
MX174304B (es) 1994-05-04
KR910008224A (ko) 1991-05-30

Similar Documents

Publication Publication Date Title
RU2102547C1 (ru) Способ получения отбеленной целлюлозной массы и способ делигнификации и отбелки лигноцеллюлозного материала (варианты)
US5503709A (en) Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
EP0480469A2 (en) Chlorine-free wood pulps and process of making
CA1319472C (en) Lignin removal method
NO159541B (no) Fremgangsmaate til aa utfoere alkaliestraksjon av cellulosemasse.
EP0542147B1 (en) Cleaning and bleaching of secondary fiber
US5958179A (en) Process for increasing pulp whiteness by bleaching printed wastepaper under intense dispersing mechanical treatment
EP0716182A2 (en) Chlorine-free organosolv pulps
SE514789C2 (sv) Delignifiering och blekning av cellulosamassor med perättiksyra, ozon och syre
JPH04300380A (ja) 人造繊維セルロースの無塩素漂白方法
US5529660A (en) Method of reducing fluorescence in deinked pulp by treating pulp with ozone and a bleaching agent
KR930010534B1 (ko) 펄프의 잉크 제거 및 표백 방법
EP0464110A1 (en) BLEACHING METHOD FOR PRODUCING HIGH-WHITE CELLULA.
EP0782642B1 (en) Method and apparatus for the continuous production of cellulosic pulp
CA1275759C (en) Method and apparatus for alkaline delignification of lignocellulosic fibrous material
US5783037A (en) System and method for operating a pulp mill
RU2027812C1 (ru) Способ получения беленой целлюлозы
CA2062475A1 (en) Process for the delignification of cellulose containing raw materials
JPH0835188A (ja) 古紙の脱墨漂白方法
WO1991000386A1 (en) A method for bleaching kraft pulp with a mixture of oxygen and peroxide
EP1101859A1 (fr) Procédé de désencrage, de décoloration, de désinfection et de blanchiment de papiers de récupération
Springer et al. New Technology in Pulping
JP2002266272A (ja) セルロース質繊維材料パルプの漂白方法
JP2000154487A (ja) 針葉樹漂白パルプの製造方法
JPH06294087A (ja) 漂白クラフトパルプ

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19971001

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee