GB321826A - Improvements in and relating to the de-inking of newsprint and other paper stock - Google Patents
Improvements in and relating to the de-inking of newsprint and other paper stockInfo
- Publication number
- GB321826A GB321826A GB3314728A GB3314728A GB321826A GB 321826 A GB321826 A GB 321826A GB 3314728 A GB3314728 A GB 3314728A GB 3314728 A GB3314728 A GB 3314728A GB 321826 A GB321826 A GB 321826A
- Authority
- GB
- United Kingdom
- Prior art keywords
- newsprint
- inking
- relating
- paper stock
- pulp
- 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
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 230000002879 macerating effect Effects 0.000 abstract 1
- 235000019353 potassium silicate Nutrition 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 238000005406 washing Methods 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA1727722X | 1927-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB321826A true GB321826A (en) | 1929-11-21 |
Family
ID=4174067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3314728A Expired GB321826A (en) | 1927-12-12 | 1928-11-13 | Improvements in and relating to the de-inking of newsprint and other paper stock |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1727722A (enrdf_load_stackoverflow) |
| BE (1) | BE355870A (enrdf_load_stackoverflow) |
| FR (1) | FR664059A (enrdf_load_stackoverflow) |
| GB (1) | GB321826A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749289C (de) * | 1938-08-13 | 1944-11-21 | Josef Breitkopf Dipl Ing | Verfahren zum Aufarbeiten von bedrucktem oder beschriebenem Altpapier |
| FR962255A (enrdf_load_stackoverflow) * | 1947-03-06 | 1950-06-07 | ||
| US2580161A (en) * | 1947-03-13 | 1951-12-25 | Driessen Cornelius Clarence | Process of deinking printed waste paper |
| US2582496A (en) * | 1947-10-09 | 1952-01-15 | St Regis Paper Co | Deinking and bleaching of paper |
| NL84209C (enrdf_load_stackoverflow) * | 1952-02-09 | 1900-01-01 | ||
| CA2082557C (en) * | 1992-02-24 | 1997-03-11 | Charles W. Hankins | Integrated pulping process of waste paper yielding tissue-grade paper fibers |
-
0
- BE BE355870D patent/BE355870A/xx unknown
-
1928
- 1928-02-27 US US25754128 patent/US1727722A/en not_active Expired - Lifetime
- 1928-11-13 GB GB3314728A patent/GB321826A/en not_active Expired
- 1928-11-16 FR FR664059D patent/FR664059A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR664059A (fr) | 1929-08-29 |
| BE355870A (enrdf_load_stackoverflow) | 1900-01-01 |
| US1727722A (en) | 1929-09-10 |
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