PT85862A - Manufacture of pulp - Google Patents

Manufacture of pulp

Info

Publication number
PT85862A
PT85862A PT85862A PT8586287A PT85862A PT 85862 A PT85862 A PT 85862A PT 85862 A PT85862 A PT 85862A PT 8586287 A PT8586287 A PT 8586287A PT 85862 A PT85862 A PT 85862A
Authority
PT
Portugal
Prior art keywords
pulp
manufacture
Prior art date
Application number
PT85862A
Other languages
Portuguese (pt)
Other versions
PT85862B (en
Original Assignee
Fullerton Terry James
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 Fullerton Terry James filed Critical Fullerton Terry James
Publication of PT85862A publication Critical patent/PT85862A/en
Publication of PT85862B publication Critical patent/PT85862B/en

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
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
PT85862A 1986-10-02 1987-10-02 Manufacture of pulp PT85862B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ21778686 1986-10-02

Publications (2)

Publication Number Publication Date
PT85862A true PT85862A (en) 1987-11-01
PT85862B PT85862B (en) 1990-01-12

Family

ID=19921815

Family Applications (1)

Application Number Title Priority Date Filing Date
PT85862A PT85862B (en) 1986-10-02 1987-10-02 Manufacture of pulp

Country Status (5)

Country Link
EP (1) EP0262988A3 (en)
BR (1) BR8705254A (en)
FI (1) FI874289A (en)
PT (1) PT85862B (en)
ZA (1) ZA877379B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325892B1 (en) 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride
US6464827B1 (en) * 2000-11-28 2002-10-15 Praxair Technology, Inc. Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin
FI122838B (en) 2005-03-31 2012-07-31 Metso Paper Inc A process for making pulp from lignocellulosic material
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
AR091998A1 (en) * 2012-05-03 2015-03-18 Annikki Gmbh CELLULOSE PREPARATION PROCEDURE WITH LIGNIN LOW CONCENTRATION
CN115976865A (en) * 2021-10-14 2023-04-18 中国科学院大连化学物理研究所 Method for preparing lignocellulose unbleached pulp and co-producing lignosulfonate by chemical method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1651665A (en) * 1927-12-06 And edward p
US2528351A (en) * 1950-08-17 1950-10-31 Hardwood By Products Inc Alkaline sulfite digestion of hardwood
FR2357490A1 (en) * 1976-07-06 1978-02-03 Eparco Sa BIOLOGICAL ACTIVATOR FOR SEPTIC TANKS
CA1110413A (en) * 1977-12-14 1981-10-13 Oji Paper Co., Ltd. Process for pulping lignocellulosic material
JPS55163291A (en) * 1979-05-31 1980-12-19 Oji Paper Co Alkaline sulfite pulping method
JPS56118988A (en) * 1980-02-18 1981-09-18 Oji Paper Co Alkali sulfite pulping method

Also Published As

Publication number Publication date
FI874289A0 (en) 1987-09-30
FI874289A (en) 1988-04-03
PT85862B (en) 1990-01-12
EP0262988A3 (en) 1988-06-29
BR8705254A (en) 1988-05-24
EP0262988A2 (en) 1988-04-06
ZA877379B (en) 1989-04-26

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