CA2026585A1 - Methode permettant de separer la lignine des liqueurs de cuisson, au solvant - Google Patents

Methode permettant de separer la lignine des liqueurs de cuisson, au solvant

Info

Publication number: CA2026585A1
Authority: CA; Canada
Prior art keywords: lignin; alcohol; pulping liquor; solvent; solvent pulping
Prior art date: 1989-10-10
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

CA 2026585

Other languages

English (en)

Inventor

Chester W. Sink

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.)

Eastman Kodak Co

Original Assignee

Eastman Kodak Co

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.)

1989-10-10

Filing date

1990-10-01

Publication date

1991-04-11

1990-10-01 Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co

1991-04-11 Publication of CA2026585A1 publication Critical patent/CA2026585A1/fr

Status Abandoned legal-status Critical Current

Links

239000003265 pulping liquor Substances 0.000 title claims abstract 8
239000002904 solvent Substances 0.000 title claims abstract 8
229920005610 lignin Polymers 0.000 title claims abstract 7
238000002955 isolation Methods 0.000 title abstract 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract 12
238000000034 method Methods 0.000 claims 18
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 6
239000002585 base Substances 0.000 claims 4
238000001704 evaporation Methods 0.000 claims 4
-1 alkaline earth metal carbonates Chemical class 0.000 claims 3
BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 claims 3
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims 2
229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
239000000203 mixture Substances 0.000 claims 2
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 1
229910052783 alkali metal Inorganic materials 0.000 claims 1
229910000288 alkali metal carbonate Inorganic materials 0.000 claims 1
150000008041 alkali metal carbonates Chemical class 0.000 claims 1
150000008044 alkali metal hydroxides Chemical group 0.000 claims 1
229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims 1
239000000908 ammonium hydroxide Substances 0.000 claims 1
238000005119 centrifugation Methods 0.000 claims 1
238000010908 decantation Methods 0.000 claims 1
238000001914 filtration Methods 0.000 claims 1
239000007788 liquid Substances 0.000 claims 1
239000002002 slurry Substances 0.000 claims 1
230000003068 static effect Effects 0.000 claims 1
230000015572 biosynthetic process Effects 0.000 abstract 2
239000002244 precipitate Substances 0.000 abstract 2
238000010438 heat treatment Methods 0.000 abstract 1

Landscapes

Paper (AREA)
Compounds Of Unknown Constitution (AREA)

CA 2026585 1989-10-10 1990-10-01 Methode permettant de separer la lignine des liqueurs de cuisson, au solvant Abandoned CA2026585A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US41917589A	1989-10-10	1989-10-10
US419,175		1989-10-10

Publications (1)

Publication Number	Publication Date
CA2026585A1 true CA2026585A1 (fr)	1991-04-11

Family

ID=23661114

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2026585 Abandoned CA2026585A1 (fr)	1989-10-10	1990-10-01	Methode permettant de separer la lignine des liqueurs de cuisson, au solvant

Country Status (1)

Country	Link
CA (1)	CA2026585A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2015086772A1 (fr) *	2013-12-12	2015-06-18	Annikki Gmbh	Procédé de purification et d'isolement de lignine

1990
- 1990-10-01 CA CA 2026585 patent/CA2026585A1/fr not_active Abandoned

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2015086772A1 (fr) *	2013-12-12	2015-06-18	Annikki Gmbh	Procédé de purification et d'isolement de lignine

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Legal Events

Date	Code	Title	Description
1990-10-01	EEER	Examination request
1994-04-03	FZDE	Dead