DK0823949T3 - Fremgangsmåde og sammensætning til affarvning af papiraffald - Google Patents

Fremgangsmåde og sammensætning til affarvning af papiraffald

Info

Publication number: DK0823949T3
Authority: DK; Denmark
Prior art keywords: composition; surfactant; paper waste; waste paper; decolorizing
Prior art date: 1995-05-02

Application number

DK96913817T

Other languages

English (en)

Inventor

Frank J Sutman

Original Assignee

Betzdearborn 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.)

1995-05-02

Filing date

1996-04-19

Publication date

2001-01-02

1996-04-19 Application filed by Betzdearborn Inc filed Critical Betzdearborn Inc

2001-01-02 Application granted granted Critical

2001-01-02 Publication of DK0823949T3 publication Critical patent/DK0823949T3/da

Links

239000000203 mixture Substances 0.000 title abstract 4
238000000034 method Methods 0.000 title abstract 3
239000010893 paper waste Substances 0.000 title abstract 3
239000004094 surface-active agent Substances 0.000 abstract 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
230000002776 aggregation Effects 0.000 abstract 1
238000004220 aggregation Methods 0.000 abstract 1
125000002947 alkylene group Chemical group 0.000 abstract 1
239000002761 deinking Substances 0.000 abstract 1
238000000280 densification Methods 0.000 abstract 1
238000005187 foaming Methods 0.000 abstract 1
239000002245 particle Substances 0.000 abstract 1
230000001737 promoting effect Effects 0.000 abstract 1
150000003333 secondary alcohols Chemical class 0.000 abstract 1
239000002002 slurry Substances 0.000 abstract 1
125000003396 thiol group Chemical class [H]S* 0.000 abstract 1

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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Toxicology (AREA)
Paper (AREA)
Storage Of Web-Like Or Filamentary Materials (AREA)

DK96913817T 1995-05-02 1996-04-19 Fremgangsmåde og sammensætning til affarvning af papiraffald DK0823949T3 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/432,738 US5660683A (en)	1995-05-02	1995-05-02	Process for deinking waste paper using a mixture of thiol ethoxylate and alcohol alkoxylates
PCT/US1996/005576 WO1996035014A1 (en)	1995-05-02	1996-04-19	Process and composition for deinking waste paper

Publications (1)

Publication Number	Publication Date
DK0823949T3 true DK0823949T3 (da)	2001-01-02

Family

ID=23717407

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK96913817T DK0823949T3 (da)	1995-05-02	1996-04-19	Fremgangsmåde og sammensætning til affarvning af papiraffald

Country Status (13)

Country	Link
US (1)	US5660683A (da)
EP (1)	EP0823949B1 (da)
JP (1)	JPH11504992A (da)
KR (1)	KR19980701977A (da)
AT (1)	ATE198084T1 (da)
AU (1)	AU700347B2 (da)
CA (1)	CA2208782A1 (da)
DE (1)	DE69611236T2 (da)
DK (1)	DK0823949T3 (da)
ES (1)	ES2152525T3 (da)
NO (1)	NO974980L (da)
TW (1)	TW334486B (da)
WO (1)	WO1996035014A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6562194B1 (en) *	2000-03-30	2003-05-13	Calgon Corporation	Method of creping paper webs
EP1309754A2 (en) *	2000-08-07	2003-05-14	Kao Specialties Americas	Flotation deinking process
JP2002069876A (ja) *	2000-08-22	2002-03-08	Nippon Paper Industries Co Ltd	古紙の脱墨方法
JP4604962B2 (ja) *	2005-10-28	2011-01-05	王子製紙株式会社	高白色度脱墨パルプの製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4618400A (en) *	1984-12-28	1986-10-21	Shell Oil Company	Wastepaper deinking process
JPS61186592A (ja) *	1985-02-13	1986-08-20	栗田工業株式会社	脱墨剤
US5024821A (en) *	1990-02-28	1991-06-18	Ici Americas Inc.	Solvent extraction process
FI913447A7 (fi) *	1990-12-28	1992-06-29	Kao Corp	Deinkingsfoerfarande och deinkingssammansaettning.
US5248388A (en) *	1991-04-25	1993-09-28	Betz Paperchem, Inc.	Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper
US5200034A (en) *	1991-04-25	1993-04-06	Betz Paperchem, Inc.	Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper
US5417808A (en) *	1991-08-30	1995-05-23	Lion Corporation	Deinking composition for flotation and deinking method
US5417807A (en) *	1993-05-27	1995-05-23	Kao Corporation	Deinking formulation for flexographic inks

1995
- 1995-05-02 US US08/432,738 patent/US5660683A/en not_active Expired - Fee Related
1996
- 1996-02-29 TW TW085102400A patent/TW334486B/zh active
- 1996-04-19 JP JP53334296A patent/JPH11504992A/ja active Pending
- 1996-04-19 EP EP19960913817 patent/EP0823949B1/en not_active Expired - Lifetime
- 1996-04-19 AT AT96913817T patent/ATE198084T1/de active
- 1996-04-19 DK DK96913817T patent/DK0823949T3/da active
- 1996-04-19 AU AU56661/96A patent/AU700347B2/en not_active Ceased
- 1996-04-19 ES ES96913817T patent/ES2152525T3/es not_active Expired - Lifetime
- 1996-04-19 DE DE69611236T patent/DE69611236T2/de not_active Expired - Fee Related
- 1996-04-19 KR KR1019970705374A patent/KR19980701977A/ko not_active Withdrawn
- 1996-04-19 CA CA 2208782 patent/CA2208782A1/en not_active Abandoned
- 1996-04-19 WO PCT/US1996/005576 patent/WO1996035014A1/en not_active Ceased
1997
- 1997-10-29 NO NO974980A patent/NO974980L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
NO974980D0 (no)	1997-10-29
DE69611236D1 (de)	2001-01-18
KR19980701977A (ko)	1998-06-25
AU5666196A (en)	1996-11-21
JPH11504992A (ja)	1999-05-11
ATE198084T1 (de)	2000-12-15
DE69611236T2 (de)	2001-05-23
WO1996035014A1 (en)	1996-11-07
US5660683A (en)	1997-08-26
TW334486B (en)	1998-06-21
CA2208782A1 (en)	1996-11-07
EP0823949A1 (en)	1998-02-18
AU700347B2 (en)	1999-01-07
EP0823949B1 (en)	2000-12-13
NO974980L (no)	1997-10-29
ES2152525T3 (es)	2001-02-01

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