CA2291722C - Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product - Google Patents

Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product Download PDF

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Publication number
CA2291722C
CA2291722C CA002291722A CA2291722A CA2291722C CA 2291722 C CA2291722 C CA 2291722C CA 002291722 A CA002291722 A CA 002291722A CA 2291722 A CA2291722 A CA 2291722A CA 2291722 C CA2291722 C CA 2291722C
Authority
CA
Canada
Prior art keywords
liquor
spent
digestion liquor
process according
digestion
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 - Fee Related
Application number
CA002291722A
Other languages
English (en)
French (fr)
Other versions
CA2291722A1 (en
Inventor
Hassan El Shall
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.)
Bountiful Applied Research Corp
Original Assignee
Bountiful Applied Research Corp
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 Bountiful Applied Research Corp filed Critical Bountiful Applied Research Corp
Priority claimed from PCT/US1997/009418 external-priority patent/WO1998054400A1/en
Publication of CA2291722A1 publication Critical patent/CA2291722A1/en
Application granted granted Critical
Publication of CA2291722C publication Critical patent/CA2291722C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA002291722A 1997-05-29 1997-05-29 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product Expired - Fee Related CA2291722C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/009418 WO1998054400A1 (en) 1993-08-20 1997-05-29 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product

Publications (2)

Publication Number Publication Date
CA2291722A1 CA2291722A1 (en) 1998-12-03
CA2291722C true CA2291722C (en) 2006-06-13

Family

ID=22261000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002291722A Expired - Fee Related CA2291722C (en) 1997-05-29 1997-05-29 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product

Country Status (5)

Country Link
JP (1) JP2002500707A (de)
AT (1) ATE288967T1 (de)
AU (1) AU3224797A (de)
CA (1) CA2291722C (de)
DE (1) DE69732499D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4670011B2 (ja) * 2005-10-18 2011-04-13 独立行政法人産業技術総合研究所 リグニン含有樹脂、その製造方法、及びリグニン分離方法
WO2011162420A1 (ja) * 2010-06-25 2011-12-29 ロペスアンドエヌティ有限会社 パルプ蒸解廃液から中性領域でリグニンを回収する方法

Also Published As

Publication number Publication date
CA2291722A1 (en) 1998-12-03
DE69732499D1 (de) 2005-03-17
JP2002500707A (ja) 2002-01-08
AU3224797A (en) 1998-12-30
ATE288967T1 (de) 2005-02-15

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