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KR850001340A - Process for producing chemical pulp with urea and alkaline cooking liquor - Google Patents

Process for producing chemical pulp with urea and alkaline cooking liquor Download PDF

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Publication number
KR850001340A
KR850001340A KR1019830003201A KR830003201A KR850001340A KR 850001340 A KR850001340 A KR 850001340A KR 1019830003201 A KR1019830003201 A KR 1019830003201A KR 830003201 A KR830003201 A KR 830003201A KR 850001340 A KR850001340 A KR 850001340A
Authority
KR
South Korea
Prior art keywords
urea
chemical pulp
cooking liquor
producing chemical
alkaline cooking
Prior art date
Application number
KR1019830003201A
Other languages
Korean (ko)
Other versions
KR850001409B1 (en
Inventor
구자운
1) 구자운(외
전풍진
Original Assignee
구자운
1) 구자운(외
전풍진
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 구자운, 1) 구자운(외, 전풍진 filed Critical 구자운
Priority to KR1019830003201A priority Critical patent/KR850001409B1/en
Publication of KR850001340A publication Critical patent/KR850001340A/en
Application granted granted Critical
Publication of KR850001409B1 publication Critical patent/KR850001409B1/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)

Abstract

내용 없음No content

Description

요소(urea)ㆍ알칼리 증해액에 의한 화학펄스제조법Chemical pulse production method using urea and alkaline cooking solution

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

Claims (1)

목재를 원료로하여 화학펄프를 제조함에 있어 증해액을 가성소다와 황화소다를 사용하는 크라프트펄프 제조법의 황화소다 대신 요소 또는 바이우렡(biuret)을 사용하는 무공해 펄프제조법으로서의 요소ㆍ알칼리 펄프제조법.Urea-alkali pulp manufacturing method as a pollution-free pulp manufacturing method using urea or biuret instead of sodium sulphide in kraft pulp manufacturing method using caustic soda and sodium sulfide in the production of chemical pulp using wood as a raw material. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830003201A 1983-07-14 1983-07-14 Method for preparing chemical pulp by urea alkaline cooking solution KR850001409B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019830003201A KR850001409B1 (en) 1983-07-14 1983-07-14 Method for preparing chemical pulp by urea alkaline cooking solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019830003201A KR850001409B1 (en) 1983-07-14 1983-07-14 Method for preparing chemical pulp by urea alkaline cooking solution

Publications (2)

Publication Number Publication Date
KR850001340A true KR850001340A (en) 1985-03-16
KR850001409B1 KR850001409B1 (en) 1985-09-30

Family

ID=19229420

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830003201A KR850001409B1 (en) 1983-07-14 1983-07-14 Method for preparing chemical pulp by urea alkaline cooking solution

Country Status (1)

Country Link
KR (1) KR850001409B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100260833B1 (en) * 1997-12-27 2000-07-01 차동천 Method of manufacturing high yield mechanical pulp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003053995A2 (en) * 2001-12-12 2003-07-03 Korea University Foundation Soybean phosphopeptide calcium and method for producing thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100260833B1 (en) * 1997-12-27 2000-07-01 차동천 Method of manufacturing high yield mechanical pulp

Also Published As

Publication number Publication date
KR850001409B1 (en) 1985-09-30

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