KR830007955A - Manufacturing method of paper pulp - Google Patents

Manufacturing method of paper pulp Download PDF

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Publication number
KR830007955A
KR830007955A KR1019810004800A KR810004800A KR830007955A KR 830007955 A KR830007955 A KR 830007955A KR 1019810004800 A KR1019810004800 A KR 1019810004800A KR 810004800 A KR810004800 A KR 810004800A KR 830007955 A KR830007955 A KR 830007955A
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South Korea
Prior art keywords
wood chips
cooking process
cooking
stopped
processed
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KR1019810004800A
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Korean (ko)
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KR850001507B1 (en
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라슈날 도미니코
슈우뎅 크리스챵드
몽세 피에르
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쟝 후씽
피·씨·유·케이 프로뒤 쉬미퀴 유징 클망
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Priority to KR1019810004800A priority Critical patent/KR850001507B1/en
Publication of KR830007955A publication Critical patent/KR830007955A/en
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Publication of KR850001507B1 publication Critical patent/KR850001507B1/en

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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)

Abstract

내용 없음No content

Description

제지용 화학펄프의 제조방법Manufacturing method of paper pulp

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (8)

유황화합물 함유의 알칼리성 수용액 속에서 우드칩을 가열증해 처리하여 화학펄프의 제조방법을 수행함에 있어서,In the process of producing a chemical pulp by heating and steaming wood chips in an alkaline aqueous solution containing sulfur compounds, -중해 처리중인 우드칩의 잔류리그닌이 카파인덱스로 다음의 범위로 즉 : 침엽수 우드칩인 경우는 45로부터 100까지의 사이, 낙엽수의 우드칩인 경우는 30으로부터 50까지의 사이에 해당하게 되면 가열증해 처리를 정지하고서,(제1차증해 처리과정)Residual lignin of wood chips being processed in the seawater ranges from kappa index to the following ranges: 45 to 100 for coniferous wood chips and 30 to 50 for deciduous wood chips. The heating cooking process is stopped (first cooking process) -증해처리 정지의 우드칩을 기계적으로 마쇄하며,(제2과정)-Mechanically grinding the wood chips of the cooking process stop (second process) - 마쇄된 우드칩을 마쇄된 우드칩의 건조물 기준으로 계산하여 0.1 내지 1.5wt%에해당하는 불량의 과산화물을 함유시킨 알칼리성 용액속에서 가열하여, 제2차의 가열증해 처리를 완결하는 것(제2차 증해처리과정)으로 함을 특징으로 하는 제지용 화학펄프의 제조방법.-Completion of the second heat cooking process by heating the ground wood chips in an alkaline solution containing poor peroxide equivalent to 0.1 to 1.5 wt%, calculated on the basis of the dry wood chips. Second cooking process) Papermaking chemical pulp manufacturing method characterized in that the. 침엽수로 만든 우드칩으로부터 표백용 펄프를 제조함에 있어서는 전술의 제1차증해처리에서 처리중인 우드칩의 잔류리그닌이 카파인데스로 45 내지 60에 해당시에 그 가열증해처리를 중지함을 특징으로 하는 청구범위 제1항 기재의 방법.In the manufacture of bleaching pulp from wood chips made of conifers, the heat cooking process is stopped when the residual lignin of the wood chips being processed in the first cooking process described above corresponds to 45 to 60 by capades. The method of claim 1. 침엽수로 만든 우드칩으로부터 라이너펄프를 제조함에 있어서는 전술를 제1차 증해처리에서 처리중인 우드칩의 잔류리그닌이 카파인덱스로 80 내지 100에해당시에 그 가열증해처리를 중지함을 특징으로 하는 청구범위 제1항 기재의 방법.In the production of liner pulp from wood chips made of coniferous trees, the above-mentioned claims are characterized in that the residual lignin of the wood chips being processed in the first cooking process is stopped when the heat ligating process is 80 to 100 with kappa index. The method of claim 1. 낙엽수로 만든 우드칩의 제1차 증해처리에서는 처리중인 우드칩의 잔류리그닌이 카파인데스로 30 내지 40에 해당시에 그 증해처리를 정지함을 특징으로 하는 청구범위 제1항 기재의 방법.The method according to claim 1, wherein in the first cooking process of the wood chips made of deciduous trees, the cooking process is stopped when the residual lignin of the wood chips being processed corresponds to 30 to 40 by capades. 과산화물에 대한 안정제를 각기의 제2차 증해처리용 증해액에 유시킴을 특징으로 하는 청구범위 제1항 내지 제4항에 기재한 어느 하나의 방법.The method according to any one of claims 1 to 4, characterized in that a stabilizer for peroxide is inoculated in the respective cooking solutions for the second cooking process. 제1차 증해처리과정의 알칼리성인 증해처리용 액체에, 안트라퀴는, 수소첨가 또는 수소첨가하지 않은 안트라퀴논 유조체 또는 안트라센디올로부터 선택한 화합물을 0.05% 보다 초과함이 없는 분량범위(건조된 우드침에 대한 wt%)에서 첨가함을 특징으로 하는 청구범위 제1항 내지 제5항에 기재한 어느 하나의 방법.In alkaline cooking liquors of the first cooking process, the anthraquis do not exceed more than 0.05% of the compound selected from the anthraquinone oil or anthracenediol, either hydrogenated or non-hydrogenated (dry wood The process according to any one of claims 1 to 5, characterized in that it is added at wt% to saliva). 건조된 마쇄 완결의 우드칩에 대하여 계산되는 중량비로 1 내지 5%, 바람직하게는 2 내지 4%의 소오다를제2차 증해처리용 액체에함유시킴을 특징으로 한ㄴ 청구범위 제1항 내지 제6항에 기재한 어느 하나의 방법.Claims 1 to 3, characterized in that 1 to 5%, preferably 2 to 4%, of soda is contained in the second cooking liquor in a weight ratio calculated on the dry ground wood chips. Any one of the methods described in item 6. 가열의 온도범위를 20 재지 120℃의 범위, 바람직하게는 70 내지 100℃The temperature range of heating ranges from 20 to 120 ° C, preferably 70 to 100 ° C. 의 범위에서 처리시간을 30내지 180분간, 바람직하게는 약 120분간 제2차 증해처리 과정을 수행함을 특징으로 하는 청구범위 제1항 내지 제7항에 기재한 어느 하나의 방법.The method according to any one of claims 1 to 7, characterized in that the second cooking process is carried out in the range of 30 to 180 minutes, preferably about 120 minutes. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810004800A 1981-12-09 1981-12-09 Process for the production of chemical paper pulp and pulp this prepared KR850001507B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019810004800A KR850001507B1 (en) 1981-12-09 1981-12-09 Process for the production of chemical paper pulp and pulp this prepared

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019810004800A KR850001507B1 (en) 1981-12-09 1981-12-09 Process for the production of chemical paper pulp and pulp this prepared

Publications (2)

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KR830007955A true KR830007955A (en) 1983-11-09
KR850001507B1 KR850001507B1 (en) 1985-10-11

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KR1019810004800A KR850001507B1 (en) 1981-12-09 1981-12-09 Process for the production of chemical paper pulp and pulp this prepared

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