GB1391111A - De-inking of printed wastepaper - Google Patents
De-inking of printed wastepaperInfo
- Publication number
- GB1391111A GB1391111A GB1123472A GB1123472A GB1391111A GB 1391111 A GB1391111 A GB 1391111A GB 1123472 A GB1123472 A GB 1123472A GB 1123472 A GB1123472 A GB 1123472A GB 1391111 A GB1391111 A GB 1391111A
- Authority
- GB
- United Kingdom
- Prior art keywords
- paper
- tank
- separator
- carrier
- pumped
- 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
- 239000010893 paper waste Substances 0.000 title abstract 4
- 239000002245 particle Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 abstract 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 2
- 239000000356 contaminant Substances 0.000 abstract 2
- 239000002761 deinking Substances 0.000 abstract 2
- 230000002209 hydrophobic effect Effects 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 230000000274 adsorptive effect Effects 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 238000005470 impregnation Methods 0.000 abstract 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000001095 magnesium carbonate Substances 0.000 abstract 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract 1
- 235000014380 magnesium carbonate Nutrition 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003209 petroleum derivative Substances 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000000344 soap Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- 150000003505 terpenes Chemical class 0.000 abstract 1
- 235000007586 terpenes Nutrition 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
1391111 Deinking printed waste paper VYSKUMNY USTAV PAPIERU A CELULOZY 10 March 1972 [11 March 1971] 11234/72 Heading D2W A method of deinking printed waste paper comprises impregnating the paper with an aqueous solution containing from 0.2-2.0% by wt of a surfactant and 0.5-4.0% by wt of an alkaline substance, pulping the impregnated paper in the presence of 0.5-4.0% by wt of a hydrophobic aromatic or aliphatic hydrocarbon, or a hydroxy derivative thereof, and particles of an adsorptive carrier for ink released by the paper, and thereafter separating the carrier particles carrying ink released by the paper. The hydrophobic aromatic or aliphatic hydrocarbon may be a petroleum product or terpene. The carrier may be a metal soap of a fatty or bituminous acid. The carrier may include a loading material e.g. bentonite, china clay, barytes, gypsum, silica or magnesite. As shown, waste paper may be charged into a pulper 1 by conveyor 18 and the impregnating solution may be added from tank 2. After allowing for impregnation by the solution, the impregnated paper is pulped and the pulp discharged into tank 3. The pulp is then pumped through a separator 5 for removal of heavy contaminants, and a strainer 6 for removal of further residue, before discharge into tank 8 in which it is diluted to an appropriate consistency. The diluted pulp is then pumped through conical vortex separators 10, 13 to remove carrier particles carrying ink, the eluates from the separators being discharged to tank 14 and pumped therefrom to a further conical separator 16. Purified stock from the latter separator is recycled to tank 8. Stock from separator 13 is passed to a separator 21 designed to separate out finer contaminants.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS180471A CS173696B1 (en) | 1971-03-11 | 1971-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1391111A true GB1391111A (en) | 1975-04-16 |
Family
ID=5353340
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3671174A Expired GB1391112A (en) | 1971-03-11 | 1972-03-10 | De-inking of printed wastepaper |
| GB1123472A Expired GB1391111A (en) | 1971-03-11 | 1972-03-10 | De-inking of printed wastepaper |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3671174A Expired GB1391112A (en) | 1971-03-11 | 1972-03-10 | De-inking of printed wastepaper |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5650037B1 (en) |
| AT (1) | AT320428B (en) |
| CS (1) | CS173696B1 (en) |
| DD (1) | DD96281A1 (en) |
| FI (1) | FI53725C (en) |
| FR (1) | FR2129617A5 (en) |
| GB (2) | GB1391112A (en) |
| IT (1) | IT952957B (en) |
| NL (1) | NL169910C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005017257A1 (en) * | 2003-08-04 | 2005-02-24 | Talleres Galarza, S.L. | System, machine, installation and elements for the production of cellulose cases |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2756711C2 (en) * | 1977-12-20 | 1979-02-15 | J.M. Voith Gmbh, 7920 Heidenheim | Process for deinking printed waste paper |
-
1971
- 1971-03-11 CS CS180471A patent/CS173696B1/cs unknown
-
1972
- 1972-03-09 FI FI63472A patent/FI53725C/en active
- 1972-03-10 DD DD16146772A patent/DD96281A1/xx unknown
- 1972-03-10 AT AT203972A patent/AT320428B/en not_active IP Right Cessation
- 1972-03-10 NL NL7203171A patent/NL169910C/en not_active IP Right Cessation
- 1972-03-10 GB GB3671174A patent/GB1391112A/en not_active Expired
- 1972-03-10 FR FR7208525A patent/FR2129617A5/fr not_active Expired
- 1972-03-10 GB GB1123472A patent/GB1391111A/en not_active Expired
- 1972-03-11 IT IT6777372A patent/IT952957B/en active
- 1972-03-11 JP JP2515072A patent/JPS5650037B1/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005017257A1 (en) * | 2003-08-04 | 2005-02-24 | Talleres Galarza, S.L. | System, machine, installation and elements for the production of cellulose cases |
Also Published As
| Publication number | Publication date |
|---|---|
| FI53725C (en) | 1978-07-10 |
| DE2211079B2 (en) | 1977-01-27 |
| NL169910C (en) | 1982-09-01 |
| NL169910B (en) | 1982-04-01 |
| IT952957B (en) | 1973-07-30 |
| DD96281A1 (en) | 1973-03-12 |
| FR2129617A5 (en) | 1972-10-27 |
| GB1391112A (en) | 1975-04-16 |
| JPS5650037B1 (en) | 1981-11-26 |
| CS173696B1 (en) | 1977-03-31 |
| AT320428B (en) | 1975-02-10 |
| NL7203171A (en) | 1972-09-13 |
| FI53725B (en) | 1978-03-31 |
| DE2211079A1 (en) | 1972-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |