KR890005346A - Manufacturing method of paper pulp - Google Patents

Manufacturing method of paper pulp Download PDF

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Publication number
KR890005346A
KR890005346A KR1019880011536A KR880011536A KR890005346A KR 890005346 A KR890005346 A KR 890005346A KR 1019880011536 A KR1019880011536 A KR 1019880011536A KR 880011536 A KR880011536 A KR 880011536A KR 890005346 A KR890005346 A KR 890005346A
Authority
KR
South Korea
Prior art keywords
pulp
bleached
carbon dioxide
paper pulp
paper
Prior art date
Application number
KR1019880011536A
Other languages
Korean (ko)
Inventor
라카펠레 레이몬드
Original Assignee
원본미기재
캐나디언 리퀴드 에어 리미티드-에어 리뀌드 캐나다 엘티이이
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 원본미기재, 캐나디언 리퀴드 에어 리미티드-에어 리뀌드 캐나다 엘티이이 filed Critical 원본미기재
Publication of KR890005346A publication Critical patent/KR890005346A/en

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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

Abstract

Process for producing a paper pulp comprising a stage of H or P treatment just before the purification of the pulp or its transfer to the papermaking machine, where the neutralisation of the bleached pulp is performed with the aid of carbonic acid instead of sulphur dioxide.

Description

제지용 펄프의 제조방법Manufacturing method of paper pulp

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (4)

표백한 펄프를 거르개 및/또는 제지기내에 통과시키기 직전에 H 또는 P상으로 표백처리하는 유형의 제지용 펄프를 제조하는데 있어서, 표백처리후 곧바로 표백된 펄프를 필수적으로 이산화탄소로 처리함을 특징으로 하는 방법.In the manufacture of paper pulp of the type of bleaching in the H or P phase just before passing the bleached pulp into the filter and / or paper machine, the bleached pulp is treated with carbon dioxide immediately after the bleaching treatment. How to. 제1항에 있어서, 이산화탄소를 기체 및/또는 액체 CO2상태로 세정액내에 도입함을 특징으로 하는 방법.The method of claim 1 wherein the carbon dioxide is introduced into the cleaning liquid in a gas and / or liquid CO 2 state. 제1항에 있어서, 이산화탄소를 기체 및/또는 액체 CO2상태로 표백한 현탁액내에 도입함을 특징으로 하는 방법.The method of claim 1 wherein the carbon dioxide is introduced into a suspension bleached in a gas and / or liquid CO 2 state. 제1항 내지 제3항중 어느 한 항에 있어서, 표백된 펄프가 기계, 열기계, 화학-열기계 또는 화합 펄프이거나, 또는 탈-잉크지를 재생처리하여 얻은 것임을 특징으로 하는 방법.The method according to claim 1, wherein the bleached pulp is mechanical, thermomechanical, chemical-thermochemical or compound pulp, or is obtained by reprocessing de-ink paper. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880011536A 1987-09-08 1988-09-07 Manufacturing method of paper pulp KR890005346A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712451A FR2620144B1 (en) 1987-09-08 1987-09-08 PROCESS FOR THE MANUFACTURE OF BLEACHED PAPER PULP INCLUDING TREATMENT WITH CARBONIC ACID AFTER BLEACHING
FR8712451 1987-09-08

Publications (1)

Publication Number Publication Date
KR890005346A true KR890005346A (en) 1989-05-13

Family

ID=9354710

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011536A KR890005346A (en) 1987-09-08 1988-09-07 Manufacturing method of paper pulp

Country Status (18)

Country Link
EP (1) EP0307295B1 (en)
JP (1) JPH01207492A (en)
KR (1) KR890005346A (en)
CN (1) CN1013131B (en)
AT (1) ATE62287T1 (en)
AU (1) AU608054B2 (en)
BR (1) BR8804619A (en)
DE (1) DE3862265D1 (en)
ES (1) ES2021857B3 (en)
FI (1) FI884123A (en)
FR (1) FR2620144B1 (en)
GR (1) GR3001730T3 (en)
MA (1) MA21393A1 (en)
NO (1) NO883968L (en)
NZ (1) NZ226060A (en)
OA (1) OA08949A (en)
PT (1) PT88435B (en)
ZA (1) ZA886622B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9206415D0 (en) * 1992-03-24 1992-05-06 Albright & Wilson Stabilisation of bleach liquors
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
FI110533B (en) * 2000-05-04 2003-02-14 Aga Ab Method for controlling microbial growth
WO2011113119A1 (en) * 2010-03-19 2011-09-22 Fibria Celulose S/A Process for the treatment of cellulose pulps, cellulose pulp thus obtained and use of biopolymer for treating cellulose pulps
CN104032611B (en) * 2014-06-23 2016-04-20 广西大学 A kind of dioxde pulp bleaching process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1993265A (en) * 1933-02-28 1935-03-05 Merrimac Chemical Co Inc Manufacture of paper embodying alkaline earth metal carbonate fillers
FI52876C (en) * 1974-09-03 1978-10-17 Ahlstroem Oy OVERFLOWER FOR CELLULOSE FRAON ALKALIKOK

Also Published As

Publication number Publication date
AU608054B2 (en) 1991-03-21
EP0307295B1 (en) 1991-04-03
PT88435A (en) 1989-07-31
JPH0217678B2 (en) 1990-04-23
NO883968L (en) 1989-03-09
AU2196088A (en) 1989-03-09
BR8804619A (en) 1989-04-18
NO883968D0 (en) 1988-09-07
FI884123A0 (en) 1988-09-07
OA08949A (en) 1990-11-30
DE3862265D1 (en) 1991-05-08
ATE62287T1 (en) 1991-04-15
CN1013131B (en) 1991-07-10
FR2620144B1 (en) 1989-12-08
CN1033664A (en) 1989-07-05
ZA886622B (en) 1991-05-29
JPH01207492A (en) 1989-08-21
GR3001730T3 (en) 1992-11-23
ES2021857B3 (en) 1991-11-16
FI884123A (en) 1989-03-09
EP0307295A1 (en) 1989-03-15
MA21393A1 (en) 1989-07-01
NZ226060A (en) 1991-02-26
PT88435B (en) 1992-10-30
FR2620144A1 (en) 1989-03-10

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