SE8007949L - Metoder for avsvertning av sekundera fibrer - Google Patents
Metoder for avsvertning av sekundera fibrerInfo
- Publication number
- SE8007949L SE8007949L SE8007949A SE8007949A SE8007949L SE 8007949 L SE8007949 L SE 8007949L SE 8007949 A SE8007949 A SE 8007949A SE 8007949 A SE8007949 A SE 8007949A SE 8007949 L SE8007949 L SE 8007949L
- Authority
- SE
- Sweden
- Prior art keywords
- ether group
- deinking
- chain
- fiber
- replaced
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 125000001033 ether group Chemical group 0.000 abstract 4
- 239000002761 deinking Substances 0.000 abstract 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 229920003043 Cellulose fiber Polymers 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical group C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 abstract 1
- VIBDJEWPNNCFQO-UHFFFAOYSA-N ethane-1,1,2-triol Chemical group OCC(O)O VIBDJEWPNNCFQO-UHFFFAOYSA-N 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- -1 polyoxypropylene group Polymers 0.000 abstract 1
- 239000004094 surface-active agent Substances 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)
- Detergent Compositions (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9374479A | 1979-11-13 | 1979-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8007949L true SE8007949L (sv) | 1981-05-14 |
| SE456250B SE456250B (sv) | 1988-09-19 |
Family
ID=22240461
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8007949A SE456250B (sv) | 1979-11-13 | 1980-11-12 | Tvettningsmetod for framstellning av fran fororeningar befriad, sekunder fibrer med utgangspunkt fran fororenad sekunder fibrer |
| SE8601383A SE456251B (sv) | 1979-11-13 | 1986-03-25 | Tvettningsmetod for framstellning av avsvertad, sekunder fiber via en mellanliggande suspension av sekunder fiber, i vilken partiklar av trycksverta er fordelade |
| SE8601384A SE456252B (sv) | 1979-11-13 | 1986-03-25 | Metod att minska mengden skum som bildas i en process av tvettningstyp for avsvertning av sekunder fiber |
| SE8601385A SE456253B (sv) | 1979-11-13 | 1986-03-25 | Tvettningsmetod for framstellning av avsvertad sekunder fiber med utgangspunkt fran sekunder fiber som innehaller trycksverta |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8601383A SE456251B (sv) | 1979-11-13 | 1986-03-25 | Tvettningsmetod for framstellning av avsvertad, sekunder fiber via en mellanliggande suspension av sekunder fiber, i vilken partiklar av trycksverta er fordelade |
| SE8601384A SE456252B (sv) | 1979-11-13 | 1986-03-25 | Metod att minska mengden skum som bildas i en process av tvettningstyp for avsvertning av sekunder fiber |
| SE8601385A SE456253B (sv) | 1979-11-13 | 1986-03-25 | Tvettningsmetod for framstellning av avsvertad sekunder fiber med utgangspunkt fran sekunder fiber som innehaller trycksverta |
Country Status (7)
| Country | Link |
|---|---|
| BR (1) | BR8007390A (sv) |
| CA (1) | CA1151812A (sv) |
| FI (1) | FI73015C (sv) |
| GB (1) | GB2063326B (sv) |
| IT (1) | IT1134201B (sv) |
| NO (1) | NO160385C (sv) |
| SE (4) | SE456250B (sv) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820379A (en) * | 1986-10-16 | 1989-04-11 | Ppg Industries, Inc. | Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material |
| ATE118839T1 (de) * | 1989-03-15 | 1995-03-15 | Woodfree Ltd | Verfahren zum de-inken von altpapieren. |
| US5417808A (en) * | 1991-08-30 | 1995-05-23 | Lion Corporation | Deinking composition for flotation and deinking method |
| DE69303264T2 (de) * | 1993-02-10 | 1996-10-31 | Lion Corp | Entfärbungszusammensetzung zur Flotation und Entfärbungsverfahren |
| SK113096A3 (en) * | 1994-03-08 | 1997-02-05 | Buckman Labor Inc | Agent for deinking printing ink and a method of deinking |
| US6544383B2 (en) * | 2000-08-07 | 2003-04-08 | Kao Specialties Americas | Flotation deinking process |
| WO2015006362A1 (en) * | 2013-07-11 | 2015-01-15 | Invista Technologies S.A.R.L. | Processes for removal of contaminants from cellulosic material |
-
1980
- 1980-11-07 IT IT2584580A patent/IT1134201B/it active
- 1980-11-12 CA CA000364507A patent/CA1151812A/en not_active Expired
- 1980-11-12 BR BR8007390A patent/BR8007390A/pt unknown
- 1980-11-12 SE SE8007949A patent/SE456250B/sv not_active IP Right Cessation
- 1980-11-12 NO NO803412A patent/NO160385C/no unknown
- 1980-11-12 GB GB8036279A patent/GB2063326B/en not_active Expired
- 1980-11-13 FI FI803553A patent/FI73015C/sv not_active IP Right Cessation
-
1986
- 1986-03-25 SE SE8601383A patent/SE456251B/sv not_active IP Right Cessation
- 1986-03-25 SE SE8601384A patent/SE456252B/sv not_active IP Right Cessation
- 1986-03-25 SE SE8601385A patent/SE456253B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE456253B (sv) | 1988-09-19 |
| GB2063326B (en) | 1984-10-03 |
| CA1151812A (en) | 1983-08-16 |
| SE8601383D0 (sv) | 1986-03-25 |
| FI73015C (sv) | 1987-08-10 |
| SE8601384L (sv) | 1986-03-25 |
| NO803412L (no) | 1981-05-14 |
| IT1134201B (it) | 1986-08-13 |
| SE456250B (sv) | 1988-09-19 |
| NO160385B (no) | 1989-01-02 |
| SE456251B (sv) | 1988-09-19 |
| SE8601383L (sv) | 1986-03-25 |
| FI803553L (fi) | 1981-05-14 |
| SE456252B (sv) | 1988-09-19 |
| NO160385C (no) | 1989-04-12 |
| SE8601384D0 (sv) | 1986-03-25 |
| GB2063326A (en) | 1981-06-03 |
| IT8025845A0 (it) | 1980-11-07 |
| FI73015B (fi) | 1987-04-30 |
| SE8601385L (sv) | 1986-03-25 |
| BR8007390A (pt) | 1981-05-26 |
| SE8601385D0 (sv) | 1986-03-25 |
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|---|---|---|---|
| NAL | Patent in force |
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