BR7904220A - Processo de polpacao alcalino tipo soda para deslignificacao de um material lignocelulosico - Google Patents

Processo de polpacao alcalino tipo soda para deslignificacao de um material lignocelulosico

Info

Publication number
BR7904220A
BR7904220A BR7904220A BR7904220A BR7904220A BR 7904220 A BR7904220 A BR 7904220A BR 7904220 A BR7904220 A BR 7904220A BR 7904220 A BR7904220 A BR 7904220A BR 7904220 A BR7904220 A BR 7904220A
Authority
BR
Brazil
Prior art keywords
pollation
designification
soda
alkaline
lignocellulosic material
Prior art date
Application number
BR7904220A
Other languages
English (en)
Inventor
J Macleod
G Kubes
B Fleming
H Bolker
Original Assignee
Pulp Paper Res Inst
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 Pulp Paper Res Inst filed Critical Pulp Paper Res Inst
Publication of BR7904220A publication Critical patent/BR7904220A/pt

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
BR7904220A 1978-07-05 1979-07-04 Processo de polpacao alcalino tipo soda para deslignificacao de um material lignocelulosico BR7904220A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/922,020 US4248663A (en) 1978-07-05 1978-07-05 Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound

Publications (1)

Publication Number Publication Date
BR7904220A true BR7904220A (pt) 1980-03-18

Family

ID=25446358

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7904220A BR7904220A (pt) 1978-07-05 1979-07-04 Processo de polpacao alcalino tipo soda para deslignificacao de um material lignocelulosico

Country Status (7)

Country Link
US (1) US4248663A (pt)
JP (1) JPS5512900A (pt)
BR (1) BR7904220A (pt)
CA (1) CA1110412A (pt)
ES (1) ES482190A1 (pt)
FI (1) FI782840A (pt)
SE (1) SE7905859L (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI62114C (fi) * 1979-11-05 1982-11-10 Flowcon Oy Ligninprodukt foer att goera cement och andra finfoerdelade mieralmaterial laettflytande
SE434284B (sv) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores
EP0049221B1 (de) * 1980-09-25 1983-12-21 Ciba-Geigy Ag Verfahren zum Delignifizieren von Lignocellulosematerial
DE3478701D1 (en) * 1983-03-02 1989-07-20 Tag Pulp Ind Sa Method for treating lignocellulose materials to obtain cellulose
US4597930A (en) * 1983-07-11 1986-07-01 Szal John R Method of manufacture of a felted fibrous product from a nonaqueous medium
JPS61244303A (ja) * 1985-04-19 1986-10-30 モリト株式会社 ゴルフ靴用スパイク
US4740212A (en) * 1985-11-25 1988-04-26 Quantum Technologies, Inc. Process and composition for bleaching cellulosic material with hypochlorous acid
WO1995018260A1 (en) * 1993-12-28 1995-07-06 Mauvin Material And Chemical Processing Limited Process for delignifying virgin and post-consumer used ligno-cellulosic plant meterials for the purpose of preparing cellulosic fiber, free sugars and lignin by-products
SE506228C2 (sv) * 1996-01-18 1997-11-24 John Saxeby Ab Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner
EP0881326B1 (de) * 1997-05-30 2001-10-17 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Verfahren zur Herstellung von gebleichten Spezialzellstoffen
US6325892B1 (en) 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride
US20130189747A1 (en) 2010-08-12 2013-07-25 Novozymes, Inc. Compositions Comprising A Polypeptide Having Cellulolytic Enhancing Activity And A Sulfur-Containing Compound And Uses Thereof
US9458483B2 (en) 2010-08-12 2016-10-04 Novozymes, Inc. Compositions comprising a polypeptide having cellulolytic enhancing activity and a bicyclic compound and uses thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143403A (en) * 1974-10-09 1976-04-14 Honshu Paper Co Ltd Arukariparupuno seizohoho
CA1097463A (en) * 1976-12-13 1981-03-17 Naphtali N. Vanderhoek Pulping processes

Also Published As

Publication number Publication date
SE7905859L (sv) 1980-01-06
ES482190A1 (es) 1980-08-01
JPS5512900A (en) 1980-01-29
CA1110412A (en) 1981-10-13
US4248663A (en) 1981-02-03
FI782840A (fi) 1980-01-06

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