AU2001279022A1 - Process for digesting woodchips and digester additives - Google Patents

Process for digesting woodchips and digester additives

Info

Publication number
AU2001279022A1
AU2001279022A1 AU2001279022A AU7902201A AU2001279022A1 AU 2001279022 A1 AU2001279022 A1 AU 2001279022A1 AU 2001279022 A AU2001279022 A AU 2001279022A AU 7902201 A AU7902201 A AU 7902201A AU 2001279022 A1 AU2001279022 A1 AU 2001279022A1
Authority
AU
Australia
Prior art keywords
woodchips
digesting
digester additives
digester
additives
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.)
Abandoned
Application number
AU2001279022A
Inventor
Abdul Q. Khan
George K. Wai
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.)
Ashland Inc
Original Assignee
Ashland 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 Ashland Inc filed Critical Ashland Inc
Publication of AU2001279022A1 publication Critical patent/AU2001279022A1/en
Abandoned 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
AU2001279022A 2000-07-27 2001-07-26 Process for digesting woodchips and digester additives Abandoned AU2001279022A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22166300P 2000-07-27 2000-07-27
US60221663 2000-07-27
PCT/US2001/023499 WO2002010506A1 (en) 2000-07-27 2001-07-26 Process for digesting woodchips and digester additives

Publications (1)

Publication Number Publication Date
AU2001279022A1 true AU2001279022A1 (en) 2002-02-13

Family

ID=22828775

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001279022A Abandoned AU2001279022A1 (en) 2000-07-27 2001-07-26 Process for digesting woodchips and digester additives

Country Status (4)

Country Link
US (1) US6740199B2 (en)
AU (1) AU2001279022A1 (en)
CA (1) CA2417791C (en)
WO (1) WO2002010506A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122815B (en) * 2005-04-18 2012-07-13 Cerefi Oy Method for fractionating lignocellulosic materials and parts obtained from them
US7807021B2 (en) * 2006-06-21 2010-10-05 Blackstone Michael M Compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process
US20080105392A1 (en) * 2006-11-03 2008-05-08 Duggirala Prasad Y Method and composition for improving fiber quality and process efficiency in mechanical pulping

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8407438D0 (en) * 1984-03-22 1984-05-02 Fishlock Lomax E G Pulping process
US4913841A (en) * 1985-05-09 1990-04-03 Sherex Chemical Company, Inc. Alkaline tolerant sulfobetaine amphoteric surfactants
US4891159A (en) * 1986-08-27 1990-01-02 Miranol Inc. Low-foam alkali-stable amphoteric surface active agents
US4906331A (en) 1987-06-26 1990-03-06 Betz Paperchem, Inc. Method of enhancing the cooking of wood chips for pulp production
US5250152A (en) 1991-02-20 1993-10-05 Betz Paperchem, Inc. Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulping additives for reject reduction and yield increase
US5501769A (en) 1992-06-09 1996-03-26 Chemstone, Inc. Pulping wood using fatty acid esters of polyoxyalkalene glycols to enhance pulping uniformity and pulp yield
US5298120A (en) 1992-06-09 1994-03-29 Michael Blackstone Composition for enhancing the pulping of wood chips
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane
US5871614A (en) * 1997-03-11 1999-02-16 Westvaco Corporation Process for reducing anthraquinone requirements in pulping of lignocellulosic material
US6123810A (en) * 1998-02-10 2000-09-26 Henkel Corporation Pulping composition containing aminoalkoxylsilanes and a pulping process using the composition

Also Published As

Publication number Publication date
US20020112828A1 (en) 2002-08-22
US6740199B2 (en) 2004-05-25
CA2417791A1 (en) 2002-02-07
CA2417791C (en) 2008-01-08
WO2002010506A1 (en) 2002-02-07

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