IT8446876A1 - Apparecchiatura e procedimento per la produzione di paste legno chemimeccaniche greggie o bianchite con ciclo continuo di impregnazione. - Google Patents
Apparecchiatura e procedimento per la produzione di paste legno chemimeccaniche greggie o bianchite con ciclo continuo di impregnazione.Info
- Publication number
- IT8446876A1 IT8446876A1 IT1984A46876A IT4687684A IT8446876A1 IT 8446876 A1 IT8446876 A1 IT 8446876A1 IT 1984A46876 A IT1984A46876 A IT 1984A46876A IT 4687684 A IT4687684 A IT 4687684A IT 8446876 A1 IT8446876 A1 IT 8446876A1
- Authority
- IT
- Italy
- Prior art keywords
- tank
- crude
- procedure
- production
- equipment
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000005470 impregnation Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
- 239000002023 wood Substances 0.000 title 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT46876/84A IT1181139B (it) | 1984-11-09 | 1984-11-09 | Apparecchiatura e procedimento per la produzione di porte di legno semimeccaniche grezze o sbiancate con ciclo continuo di impregnazione |
| EP85201730A EP0181028B1 (en) | 1984-11-09 | 1985-10-23 | Apparatus and process for producing raw of bleached chemimechanical wood pulps by a continuous impregnation process |
| DE8585201730T DE3569133D1 (en) | 1984-11-09 | 1985-10-23 | Apparatus and process for producing raw of bleached chemimechanical wood pulps by a continuous impregnation process |
| AT85201730T ATE41793T1 (de) | 1984-11-09 | 1985-10-23 | Vorrichtung und verfahren zum herstellen von rohem oder gebleichtem chemimechanischem holzstoff durch ein kontinuierliches impraegnierungsverfahren. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT46876/84A IT1181139B (it) | 1984-11-09 | 1984-11-09 | Apparecchiatura e procedimento per la produzione di porte di legno semimeccaniche grezze o sbiancate con ciclo continuo di impregnazione |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT8446876A0 IT8446876A0 (it) | 1984-11-09 |
| IT8446876A1 true IT8446876A1 (it) | 1986-05-09 |
| IT1181139B IT1181139B (it) | 1987-09-23 |
Family
ID=11260077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT46876/84A IT1181139B (it) | 1984-11-09 | 1984-11-09 | Apparecchiatura e procedimento per la produzione di porte di legno semimeccaniche grezze o sbiancate con ciclo continuo di impregnazione |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0181028B1 (it) |
| AT (1) | ATE41793T1 (it) |
| DE (1) | DE3569133D1 (it) |
| IT (1) | IT1181139B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2785917B1 (fr) * | 1998-11-16 | 2001-01-12 | Wood & Pulp Ltd | Procede et installation de production de pates a papier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL43994C (it) * | 1934-07-27 | |||
| FR1393492A (fr) * | 1964-02-11 | 1965-03-26 | Du Pin Cellulose | Perfectionnement au blanchiment des pâtes à papier |
| FR1562448A (it) * | 1967-04-15 | 1969-04-04 |
-
1984
- 1984-11-09 IT IT46876/84A patent/IT1181139B/it active
-
1985
- 1985-10-23 AT AT85201730T patent/ATE41793T1/de not_active IP Right Cessation
- 1985-10-23 DE DE8585201730T patent/DE3569133D1/de not_active Expired
- 1985-10-23 EP EP85201730A patent/EP0181028B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1181139B (it) | 1987-09-23 |
| DE3569133D1 (en) | 1989-05-03 |
| IT8446876A0 (it) | 1984-11-09 |
| EP0181028A2 (en) | 1986-05-14 |
| ATE41793T1 (de) | 1989-04-15 |
| EP0181028A3 (en) | 1987-01-28 |
| EP0181028B1 (en) | 1989-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960927 |