EP0211558A3 - Process for digesting lignocellulosic material - Google Patents

Process for digesting lignocellulosic material Download PDF

Info

Publication number
EP0211558A3
EP0211558A3 EP86305606A EP86305606A EP0211558A3 EP 0211558 A3 EP0211558 A3 EP 0211558A3 EP 86305606 A EP86305606 A EP 86305606A EP 86305606 A EP86305606 A EP 86305606A EP 0211558 A3 EP0211558 A3 EP 0211558A3
Authority
EP
European Patent Office
Prior art keywords
lignocellulosic material
lignin
ester
water
digesting
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.)
Withdrawn
Application number
EP86305606A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0211558A2 (en
Inventor
Kenneth W. Baierl, Sr.
Raymond A. Young
Timothy R. Young
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.)
Biodyne Chemicals Inc
Original Assignee
Biodyne Chemicals 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 Biodyne Chemicals Inc filed Critical Biodyne Chemicals Inc
Publication of EP0211558A2 publication Critical patent/EP0211558A2/en
Publication of EP0211558A3 publication Critical patent/EP0211558A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • D21C3/20Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
EP86305606A 1985-07-26 1986-07-22 Process for digesting lignocellulosic material Withdrawn EP0211558A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75959185A 1985-07-26 1985-07-26
US759591 1985-07-26

Publications (2)

Publication Number Publication Date
EP0211558A2 EP0211558A2 (en) 1987-02-25
EP0211558A3 true EP0211558A3 (en) 1987-05-27

Family

ID=25056238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86305606A Withdrawn EP0211558A3 (en) 1985-07-26 1986-07-22 Process for digesting lignocellulosic material

Country Status (8)

Country Link
EP (1) EP0211558A3 (da)
JP (1) JPS6269893A (da)
CN (1) CN86105219A (da)
AU (1) AU6049386A (da)
BR (1) BR8603731A (da)
DK (1) DK353886A (da)
FI (1) FI863069A7 (da)
NO (1) NO863018L (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8721528D0 (en) * 1987-09-14 1987-10-21 Shell Int Research Pulping lignocellulose-containing material
EP0325891A1 (de) * 1988-01-25 1989-08-02 Kunz Holding Gmbh & Co. Kg Verfahren zur Gewinnung von gebleichtem Zellstoff
EP0485150A1 (en) * 1990-11-06 1992-05-13 Biodyne Chemical Inc. Pulping processes, extraction of lignin and composition of matter for use in such processes
US5730837A (en) * 1994-12-02 1998-03-24 Midwest Research Institute Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars
AT404478B (de) * 1996-02-02 1998-11-25 Impco Voest Alpine Pulp Tech Celluloseherstellung
EP2489780B1 (en) * 2011-02-16 2016-07-13 Rheinisch-Westfälische Technische Hochschule Aachen Integrated process for the selective fractionation and separation of lignocellulose in its main components
BR112014027478B1 (pt) * 2012-05-03 2019-07-02 Virdia, Inc. Métodos de processamento de materiais lingnocelulósicos
CA2911484C (en) 2013-05-03 2021-05-25 Virdia, Inc. Methods for preparing thermally stable lignin fractions
PL3166954T3 (pl) 2014-07-09 2019-10-31 Virdia Inc Sposoby oddzielania i rafinacji ligniny z ługu czarnego i jej kompozycje
CN108473522A (zh) * 2015-11-16 2018-08-31 Ptt全球化学股份有限公司 木质纤维素生物质的分级方法
WO2022125709A1 (en) * 2020-12-09 2022-06-16 Virdia, Llc Methods for extracting lignin
WO2024017949A1 (en) * 2022-07-19 2024-01-25 Katholieke Universiteit Leuven Lignocellulosic biomass refinery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024689A (en) * 1934-02-16 1935-12-17 Celanese Corp Production of cellulose from ligno-cellulosic materials
US3553076A (en) * 1968-01-22 1971-01-05 Weyerhaeuser Co Non-catalytic process for the production of cellulose from lignocellulosic materials using acetic acid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044430B2 (ja) * 1978-09-22 1985-10-03 東洋紡績株式会社 合成高分子成形品の耐溶融加工方法
JPS5846176A (ja) * 1981-09-10 1983-03-17 帝人株式会社 ポリアミド合成繊維の撥水撥油加工方法
JPS59163474A (ja) * 1983-03-04 1984-09-14 旭化成株式会社 抗菌性を有するポリアミド系繊維製品の製造法
JPS61102492A (ja) * 1984-10-23 1986-05-21 ユニチカ株式会社 染色堅牢度向上方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024689A (en) * 1934-02-16 1935-12-17 Celanese Corp Production of cellulose from ligno-cellulosic materials
US3553076A (en) * 1968-01-22 1971-01-05 Weyerhaeuser Co Non-catalytic process for the production of cellulose from lignocellulosic materials using acetic acid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 55, no. 5, November 1984, page 575, abstract no. 5445; Appleton, Wisc., US; A. SAKAKIBARA et al.: "Solvolysis pulping with cresols-water system", & Holzforschung 38, no. 3, 159-165 (June 1984) *

Also Published As

Publication number Publication date
FI863069L (fi) 1987-01-27
DK353886D0 (da) 1986-07-25
AU6049386A (en) 1987-03-19
FI863069A0 (fi) 1986-07-25
BR8603731A (pt) 1987-03-10
JPS6269893A (ja) 1987-03-31
NO863018D0 (no) 1986-07-25
DK353886A (da) 1987-03-20
CN86105219A (zh) 1987-02-25
FI863069A7 (fi) 1987-01-27
NO863018L (no) 1987-01-27
EP0211558A2 (en) 1987-02-25

Similar Documents

Publication Publication Date Title
EP0211558A3 (en) Process for digesting lignocellulosic material
ES434529A1 (es) Un metodo de tratamiento de bagazo.
SE8804578L (sv) Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
Christensen A mathematical model of the kraft pulping process
CA2023429A1 (en) Process for bleaching and delignification of lignocellulosic materials
ZA784979B (en) Organosolv delignification and saccharification process for lignocellulosic plant materials
BR8403178A (pt) Processo e instalacao de digestao anaerobica
SE9001783L (sv) Hoegsulfiditetskokning av pappersmassa under anvaendning av svartlutsulfonering av baserad flis
AU3528699A (en) Method for producing paper pulp, lignins, sugars and acetic acid by fractionation of lignocellulosic vegetable material in formic/acetic acid medium
ES8706881A1 (es) Un metodo mejorado para producir pasta celulosica.
NZ188324A (en) Acidified aqueous organic solvent delignification and saccharification process for lignocellulosic plant materials
ES8704569A1 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
GB2000822B (en) Method of rendering lignin separable from cellulose and hemicellulose in lignocellulosic material and the product so produced
ZA829421B (en) Process for bleaching cellulosic fibre materials using oligomers of phosphonic acid esters as stabilisers in alkaline, peroxide-containing bleaching liquors
SE9201441L (sv) Foerfarande foer anvaendning av enzymer vid framstaellning och blekning av pappersmassa samt anordning foer anvaendning av densamma
DE2964181D1 (en) Process and apparatus for the continuous cooking of fibrous plant material
MY102502A (en) A process for the manufature of cellulose pulps
PT82669A (en) Process for the preparation of potassium salts from potassium-based liquors for pulping of lignocellulosic material
GB2017707A (en) Process for Treating Cellulosic Materials and Obtaining Glucose Therefrom
NO163747C (no) Fremgangsmaate for resirkulering av fenol i en kokeprosessfor lignocelluloseholdige materialer.
ZA956506B (en) Alkaline sulphite pulping
Dietrichs et al. Hydrolysis of Cellulosic Wastes.
CA2294186A1 (en) Method in connection with the pretreatment of comminuted fibrous material
ATE111986T1 (de) Verfahren zur herstellung von hemicellulosehydrolysat und einem speziellen zellstoff.
YU64978A (en) Process for the continuous processing of lignocellulose biomass into raw cellulose fibres such as fodder for ruminants and a fermentation substrate

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19871130

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BAIERL, KENNETH W., SR.

Inventor name: YOUNG, TIMOTHY R.

Inventor name: YOUNG, RAYMOND A.