GB2348893B - Method for separating wax from waste paper - Google Patents
Method for separating wax from waste paperInfo
- Publication number
- GB2348893B GB2348893B GB0019433A GB0019433A GB2348893B GB 2348893 B GB2348893 B GB 2348893B GB 0019433 A GB0019433 A GB 0019433A GB 0019433 A GB0019433 A GB 0019433A GB 2348893 B GB2348893 B GB 2348893B
- Authority
- GB
- United Kingdom
- Prior art keywords
- waste paper
- separating wax
- wax
- separating
- waste
- 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 - Lifetime
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
- 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
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/006,688 US5891303A (en) | 1998-01-13 | 1998-01-13 | Method for separating wax from waste paper |
IN209MA1998 | 1998-02-03 | ||
PCT/US1998/026597 WO1999036199A1 (en) | 1998-01-13 | 1998-12-15 | Method for separating wax from waste paper |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0019433D0 GB0019433D0 (en) | 2000-09-27 |
GB2348893A GB2348893A (en) | 2000-10-18 |
GB2348893B true GB2348893B (en) | 2002-02-20 |
Family
ID=26324760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0019433A Expired - Lifetime GB2348893B (en) | 1998-01-13 | 1998-12-15 | Method for separating wax from waste paper |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU737020B2 (en) |
BR (1) | BR9815666A (en) |
CA (1) | CA2316362C (en) |
GB (1) | GB2348893B (en) |
HK (1) | HK1032987A1 (en) |
WO (1) | WO1999036199A1 (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2183259A (en) * | 1937-03-03 | 1939-12-12 | Nat Oil Prod Co | Process for recovering and reusing constituents of waxed paper |
US2614922A (en) * | 1947-11-13 | 1952-10-21 | R H Comey Company Inc | Methods of dewaxing paper |
US2703754A (en) * | 1949-07-27 | 1955-03-08 | Myers Robert Evershed | Process of treating waxed paper |
US2742398A (en) * | 1951-06-09 | 1956-04-17 | Texaco Development Corp | Method of removing deposits of wax and like materials |
US2746862A (en) * | 1952-09-05 | 1956-05-22 | Mcdonald Dan | Dewaxing methods and apparatus |
US2776209A (en) * | 1954-04-21 | 1957-01-01 | Du Pont | Paper deinking and dewaxing process |
US3055791A (en) * | 1959-10-27 | 1962-09-25 | Minerals & Chem Philipp Corp | Process for dewaxing paper and reclaiming cellulosic fiber |
US3595741A (en) * | 1970-03-09 | 1971-07-27 | Riverside Paper Corp | Method of reclaiming stock from waste material |
US3822178A (en) * | 1971-08-11 | 1974-07-02 | Wright Chem Corp | Process for repulping waxed paper using a water soluble nonionic emulsifier |
US5209785A (en) * | 1991-10-30 | 1993-05-11 | United Technologies Corporation | Non-chlorinated solvent dewax process |
-
1998
- 1998-12-15 AU AU18270/99A patent/AU737020B2/en not_active Expired
- 1998-12-15 WO PCT/US1998/026597 patent/WO1999036199A1/en active IP Right Grant
- 1998-12-15 CA CA 2316362 patent/CA2316362C/en not_active Expired - Lifetime
- 1998-12-15 GB GB0019433A patent/GB2348893B/en not_active Expired - Lifetime
- 1998-12-15 BR BR9815666A patent/BR9815666A/en not_active IP Right Cessation
-
2001
- 2001-04-17 HK HK01102701A patent/HK1032987A1/en not_active IP Right Cessation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2183259A (en) * | 1937-03-03 | 1939-12-12 | Nat Oil Prod Co | Process for recovering and reusing constituents of waxed paper |
US2614922A (en) * | 1947-11-13 | 1952-10-21 | R H Comey Company Inc | Methods of dewaxing paper |
US2703754A (en) * | 1949-07-27 | 1955-03-08 | Myers Robert Evershed | Process of treating waxed paper |
US2742398A (en) * | 1951-06-09 | 1956-04-17 | Texaco Development Corp | Method of removing deposits of wax and like materials |
US2746862A (en) * | 1952-09-05 | 1956-05-22 | Mcdonald Dan | Dewaxing methods and apparatus |
US2776209A (en) * | 1954-04-21 | 1957-01-01 | Du Pont | Paper deinking and dewaxing process |
US3055791A (en) * | 1959-10-27 | 1962-09-25 | Minerals & Chem Philipp Corp | Process for dewaxing paper and reclaiming cellulosic fiber |
US3595741A (en) * | 1970-03-09 | 1971-07-27 | Riverside Paper Corp | Method of reclaiming stock from waste material |
US3822178A (en) * | 1971-08-11 | 1974-07-02 | Wright Chem Corp | Process for repulping waxed paper using a water soluble nonionic emulsifier |
US5209785A (en) * | 1991-10-30 | 1993-05-11 | United Technologies Corporation | Non-chlorinated solvent dewax process |
Also Published As
Publication number | Publication date |
---|---|
AU1827099A (en) | 1999-08-02 |
BR9815666A (en) | 2000-11-14 |
CA2316362A1 (en) | 1999-07-22 |
HK1032987A1 (en) | 2001-08-10 |
WO1999036199A1 (en) | 1999-07-22 |
GB2348893A (en) | 2000-10-18 |
GB0019433D0 (en) | 2000-09-27 |
CA2316362C (en) | 2007-11-13 |
AU737020B2 (en) | 2001-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20181214 |