ATE979T1 - METHOD OF PULPING USING AN AGENT CONTAINING ORGANIC, CYCLIC, KETO AND/OR HYDROXY GROUP-CONTAINING COMPOUNDS. - Google Patents
METHOD OF PULPING USING AN AGENT CONTAINING ORGANIC, CYCLIC, KETO AND/OR HYDROXY GROUP-CONTAINING COMPOUNDS.Info
- Publication number
- ATE979T1 ATE979T1 AT80103277T AT80103277T ATE979T1 AT E979 T1 ATE979 T1 AT E979T1 AT 80103277 T AT80103277 T AT 80103277T AT 80103277 T AT80103277 T AT 80103277T AT E979 T1 ATE979 T1 AT E979T1
- Authority
- AT
- Austria
- Prior art keywords
- keto
- cyclic
- organic
- pulping
- hydroxy group
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 title 1
- 238000004537 pulping Methods 0.000 title 1
- 229930194542 Keto Natural products 0.000 abstract 3
- 150000001923 cyclic compounds Chemical class 0.000 abstract 3
- 239000008187 granular material Substances 0.000 abstract 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 3
- 125000000468 ketone group Chemical group 0.000 abstract 3
- 239000000470 constituent Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/28—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using special binding agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Process for the production of pulp from lignocellulose materials in the presence of organic, cyclic compounds containing keto and/or hydroxyl groups, characterized in that the organic, cyclic compounds containing keto and/or hydroxyl groups are employed in the form of granules, which are obtained by granulating the organic, cyclic compounds containing keto and/or hydroxyl groups and optionally other constituents of the granules in finely divided form by spraying with water or an aqueous liquid in an amount of 5 to 30 % by weight (relative to the finely divided constituents of the agent), and the granules thus obtained are dried.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792925545 DE2925545A1 (en) | 1979-06-25 | 1979-06-25 | METHOD FOR PRODUCING A MEDIUM CONTAINING ORGANIC, CYCLIC, KETO- AND / OR HYDROGROUPES AND COMPOSITIONS AND SURFACES, AND METHOD FOR PRODUCING CELLS BY USING THIS MEDIUM |
| EP80103277A EP0021263B1 (en) | 1979-06-25 | 1980-06-12 | Process for producing cellulose by use of an agent comprising organic, cyclic compounds having keto and/or hydroxy groups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE979T1 true ATE979T1 (en) | 1982-05-15 |
Family
ID=6074074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT80103277T ATE979T1 (en) | 1979-06-25 | 1980-06-12 | METHOD OF PULPING USING AN AGENT CONTAINING ORGANIC, CYCLIC, KETO AND/OR HYDROXY GROUP-CONTAINING COMPOUNDS. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0021263B1 (en) |
| JP (1) | JPS564792A (en) |
| AT (1) | ATE979T1 (en) |
| AU (1) | AU5921380A (en) |
| BR (1) | BR8003940A (en) |
| CA (1) | CA1142714A (en) |
| DE (2) | DE2925545A1 (en) |
| FI (1) | FI802000A7 (en) |
| NO (1) | NO801730L (en) |
| NZ (1) | NZ194112A (en) |
| ZA (1) | ZA803765B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0074730B1 (en) * | 1981-09-08 | 1985-09-25 | Interox Chemicals Limited | Granulation |
| CA1272339A (en) * | 1984-06-25 | 1990-07-31 | Paul James Mollinger | Process for pelletization of powder materials and products therefrom |
| JPS6197492A (en) * | 1984-10-18 | 1986-05-15 | 川崎化成工業株式会社 | High concentration pulp cooking aid aqueous solution |
| WO1995029288A1 (en) * | 1994-04-26 | 1995-11-02 | Harima Chemicals, Inc. | Pulp digestion aid |
| JP3989153B2 (en) * | 1999-06-25 | 2007-10-10 | 王子製紙株式会社 | Lignocellulosic cooking aid and pulp production method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE967976C (en) * | 1953-04-21 | 1958-01-02 | Kali Forschungsanstalt G M B H | Process for granulating fertilizers |
| CH635862A5 (en) * | 1977-10-15 | 1983-04-29 | Ciba Geigy Ag | Process for granulation of pigments. |
| DE2827111A1 (en) * | 1978-06-21 | 1980-01-10 | Bayer Ag | AGENTS FOR USE IN CELL PROCESSING |
-
1979
- 1979-06-25 DE DE19792925545 patent/DE2925545A1/en not_active Withdrawn
-
1980
- 1980-06-10 NO NO801730A patent/NO801730L/en unknown
- 1980-06-11 AU AU59213/80A patent/AU5921380A/en not_active Abandoned
- 1980-06-12 DE DE8080103277T patent/DE3060363D1/en not_active Expired
- 1980-06-12 AT AT80103277T patent/ATE979T1/en active
- 1980-06-12 EP EP80103277A patent/EP0021263B1/en not_active Expired
- 1980-06-23 CA CA000354578A patent/CA1142714A/en not_active Expired
- 1980-06-23 NZ NZ194112A patent/NZ194112A/en unknown
- 1980-06-23 FI FI802000A patent/FI802000A7/en not_active Application Discontinuation
- 1980-06-23 JP JP8413080A patent/JPS564792A/en active Pending
- 1980-06-24 BR BR8003940A patent/BR8003940A/en unknown
- 1980-06-24 ZA ZA00803765A patent/ZA803765B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA803765B (en) | 1981-07-29 |
| AU5921380A (en) | 1981-01-08 |
| NZ194112A (en) | 1983-03-15 |
| NO801730L (en) | 1980-12-29 |
| EP0021263B1 (en) | 1982-05-05 |
| FI802000A7 (en) | 1981-01-01 |
| JPS564792A (en) | 1981-01-19 |
| DE2925545A1 (en) | 1981-01-29 |
| EP0021263A3 (en) | 1981-01-21 |
| CA1142714A (en) | 1983-03-15 |
| DE3060363D1 (en) | 1982-06-24 |
| BR8003940A (en) | 1981-01-13 |
| EP0021263A2 (en) | 1981-01-07 |
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