FR1420123A - Continuous aqueous pre-hydrolysis of wood chips - Google Patents

Continuous aqueous pre-hydrolysis of wood chips

Info

Publication number
FR1420123A
FR1420123A FR1183A FR1183A FR1420123A FR 1420123 A FR1420123 A FR 1420123A FR 1183 A FR1183 A FR 1183A FR 1183 A FR1183 A FR 1183A FR 1420123 A FR1420123 A FR 1420123A
Authority
FR
France
Prior art keywords
hydrolysis
wood chips
continuous aqueous
aqueous pre
continuous
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR1183A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rayonier Inc
Original Assignee
Rayonier Inc
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 Rayonier Inc filed Critical Rayonier Inc
Application granted granted Critical
Publication of FR1420123A publication Critical patent/FR1420123A/en
Expired legal-status Critical Current

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
FR1183A 1964-08-07 1965-01-07 Continuous aqueous pre-hydrolysis of wood chips Expired FR1420123A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38833164A 1964-08-07 1964-08-07

Publications (1)

Publication Number Publication Date
FR1420123A true FR1420123A (en) 1965-12-03

Family

ID=23533684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1183A Expired FR1420123A (en) 1964-08-07 1965-01-07 Continuous aqueous pre-hydrolysis of wood chips

Country Status (6)

Country Link
DE (1) DE1285285B (en)
ES (1) ES308163A1 (en)
FI (1) FI44188B (en)
FR (1) FR1420123A (en)
GB (1) GB1043460A (en)
NO (1) NO119058B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397486A1 (en) * 1977-07-11 1979-02-09 Canadian Patents Dev Rendering lignin separable from cellulose and hemicellulose - by plasticising lignocellulosic material and extruding from pressure vessel
FR2433611A1 (en) * 1978-07-27 1980-03-14 Obbola Linerboard Ab CELLULOSIC MATERIAL COOKING PROCESS
EP0608949A1 (en) * 1993-01-25 1994-08-03 Shell Internationale Researchmaatschappij B.V. Process for the preparation of moisture resistant vegetable fibres

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2650913C (en) 2009-01-23 2013-10-15 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2650919C (en) 2009-01-23 2014-04-22 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
US9127325B2 (en) 2008-07-24 2015-09-08 Abengoa Bioenergy New Technologies, Llc. Method and apparatus for treating a cellulosic feedstock
CA2638150C (en) 2008-07-24 2012-03-27 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638157C (en) 2008-07-24 2013-05-28 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638159C (en) 2008-07-24 2012-09-11 Sunopta Bioprocess Inc. Method and apparatus for treating a cellulosic feedstock
CA2638160C (en) 2008-07-24 2015-02-17 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638152C (en) 2008-07-24 2013-07-16 Sunopta Bioprocess Inc. Method and apparatus for treating a cellulosic feedstock
US8915644B2 (en) 2008-07-24 2014-12-23 Abengoa Bioenergy New Technologies, Llc. Method and apparatus for conveying a cellulosic feedstock
CA2673134A1 (en) * 2009-07-17 2011-01-17 Murray J. Burke Method and apparatus for the heat treatment of a cellulosic feedstock upstream of hydrolysis
CN103451987B (en) * 2013-08-23 2015-10-28 湖南骏泰浆纸有限责任公司 A kind of dissolving pulp pre-hydrolyzed solution extracting method and device
SE542834C2 (en) * 2019-01-22 2020-07-14 Valmet Oy Process and system for treating vapours released from lignocellulose biomass during acid treatment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583994A (en) * 1946-06-21 1952-01-29 Rayonier Inc Wood pulp digestion
GB945957A (en) * 1960-02-08 1964-01-08 Ass Pulp & Paper Mills Continuous pulping process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397486A1 (en) * 1977-07-11 1979-02-09 Canadian Patents Dev Rendering lignin separable from cellulose and hemicellulose - by plasticising lignocellulosic material and extruding from pressure vessel
FR2433611A1 (en) * 1978-07-27 1980-03-14 Obbola Linerboard Ab CELLULOSIC MATERIAL COOKING PROCESS
EP0608949A1 (en) * 1993-01-25 1994-08-03 Shell Internationale Researchmaatschappij B.V. Process for the preparation of moisture resistant vegetable fibres

Also Published As

Publication number Publication date
GB1043460A (en) 1966-09-21
ES308163A1 (en) 1965-05-01
NO119058B (en) 1970-03-16
DE1285285B (en) 1968-12-12
FI44188B (en) 1971-06-01

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