FI53141B - - Google Patents
Info
- Publication number
- FI53141B FI53141B FI752463A FI752463A FI53141B FI 53141 B FI53141 B FI 53141B FI 752463 A FI752463 A FI 752463A FI 752463 A FI752463 A FI 752463A FI 53141 B FI53141 B FI 53141B
- Authority
- FI
- Finland
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
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1068—Bleaching ; Apparatus therefor with O2
-
- 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI752463A FI53141C (US06277897-20010821-C00009.png) | 1975-09-02 | 1975-09-02 | |
| NZ181792A NZ181792A (en) | 1975-09-02 | 1976-08-17 | Regeneration by autocaustisation of liquor for delignification or alkali treatment of pulp |
| BR7605508A BR7605508A (pt) | 1975-09-02 | 1976-08-23 | Preparacao de solucao para delignificacao ou tratamento de alcali por autocaustificacao,e preparacao de polpa com dita solucao |
| AU17122/76A AU499100B2 (en) | 1975-09-02 | 1976-08-25 | Regeneration of spent delignification liquor |
| NO762969A NO150807C (no) | 1975-09-02 | 1976-08-30 | Fremgangsmaate til regenerering ved forbrenning av alkalisk avlut fra delignifisering av trevirke eller masse |
| US05/719,139 US4116759A (en) | 1975-09-02 | 1976-08-31 | Preparation of liquor for delignification or alkali treatment by autocaustization, and the preparation of pulp with this liquor |
| JP10375076A JPS6029796B2 (ja) | 1975-09-02 | 1976-09-01 | アルカリパルプ化又はアルカリ標白方法。 |
| SE7609675A SE7609675L (sv) | 1975-09-02 | 1976-09-01 | Framstellning av lut for delignifiering eller alkalibehandling genom autokausticering samt framstellning av massa med sadan lut |
| CA260,318A CA1087355A (en) | 1975-09-02 | 1976-09-01 | Preparation of liquor for delignification or alkali treatment by autocaustisation and the preparation of pulp with this liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI752463A FI53141C (US06277897-20010821-C00009.png) | 1975-09-02 | 1975-09-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI752463A FI752463A (US06277897-20010821-C00009.png) | 1977-03-03 |
| FI53141B true FI53141B (US06277897-20010821-C00009.png) | 1977-10-31 |
| FI53141C FI53141C (US06277897-20010821-C00009.png) | 1978-02-10 |
Family
ID=8509408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI752463A FI53141C (US06277897-20010821-C00009.png) | 1975-09-02 | 1975-09-02 |
Country Status (8)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248662A (en) * | 1979-01-22 | 1981-02-03 | The Black Clawson Company | Oxygen pulping with recycled liquor |
| US6348128B1 (en) | 1998-06-01 | 2002-02-19 | U.S. Borax Inc. | Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition |
| US6294048B1 (en) | 1998-06-01 | 2001-09-25 | U.S. Borax Inc. | Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate |
| US6635147B1 (en) * | 2000-05-14 | 2003-10-21 | U.S. Borax Inc. | Method for analyzing boron-containing alkaline pulping liquors |
| EP1290272A1 (en) | 2000-05-16 | 2003-03-12 | Massachusetts Institute of Technology | Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals |
| FI115227B (fi) * | 2002-01-23 | 2005-03-31 | Rinheat Oy | Menetelmä mekaanisesti kuidutetun massan valkaisemiseksi |
| SE0202711D0 (sv) * | 2002-09-12 | 2002-09-12 | Kiram Ab | Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali |
| US20050076568A1 (en) * | 2003-10-09 | 2005-04-14 | Stigsson Lars Lennart | Partial oxidation of cellulose spent pulping liquor |
| CN101066516B (zh) * | 2007-06-06 | 2011-04-20 | 华东理工大学 | 一种由硼酸盐组成的脱碳溶液 |
| FI124685B (fi) * | 2009-08-18 | 2014-12-15 | Metsä Board Oyj | Menetelmä natriumhydroksidin tuottamiseksi kuitumassan valmistuksen jätevirrasta |
| CN114763680B (zh) * | 2021-01-15 | 2024-01-30 | 中国石油天然气股份有限公司 | 从木质纤维素原料中去除木质素的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1730383A (en) * | 1929-10-08 | of berlin | ||
| US1643826A (en) * | 1923-12-22 | 1927-09-27 | Bertrand S Summers | Process for making paper pulp |
| BE379996A (US06277897-20010821-C00009.png) * | 1930-07-24 | |||
| US1935580A (en) * | 1930-09-06 | 1933-11-14 | Brown Co | Processing of cellulose fiber |
| US2601110A (en) * | 1945-06-14 | 1952-06-17 | Ontario Paper Co Ltd | Pulping lignocellulose with sodium aluminate |
| CA553349A (en) * | 1950-10-04 | 1958-02-18 | C. Harris George | Pulping process |
| CA632280A (en) * | 1958-07-02 | 1961-12-05 | Kimberly-Clark Corporation | Manufacture of bleached cellulosic products resistant to brightness reversion |
| GB1229269A (US06277897-20010821-C00009.png) * | 1968-02-02 | 1971-04-21 | ||
| US3661699A (en) * | 1970-12-21 | 1972-05-09 | American Cyanamid Co | Bleaching of lignin-containing cellulose materials such as pulp |
-
1975
- 1975-09-02 FI FI752463A patent/FI53141C/fi not_active IP Right Cessation
-
1976
- 1976-08-17 NZ NZ181792A patent/NZ181792A/xx unknown
- 1976-08-23 BR BR7605508A patent/BR7605508A/pt unknown
- 1976-08-25 AU AU17122/76A patent/AU499100B2/en not_active Expired
- 1976-08-30 NO NO762969A patent/NO150807C/no unknown
- 1976-08-31 US US05/719,139 patent/US4116759A/en not_active Expired - Lifetime
- 1976-09-01 SE SE7609675A patent/SE7609675L/ unknown
- 1976-09-01 CA CA260,318A patent/CA1087355A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI752463A (US06277897-20010821-C00009.png) | 1977-03-03 |
| NO762969L (US06277897-20010821-C00009.png) | 1977-03-03 |
| NO150807B (no) | 1984-09-10 |
| NZ181792A (en) | 1979-01-11 |
| BR7605508A (pt) | 1977-08-16 |
| SE7609675L (sv) | 1977-03-03 |
| AU499100B2 (en) | 1979-04-05 |
| US4116759A (en) | 1978-09-26 |
| CA1087355A (en) | 1980-10-14 |
| FI53141C (US06277897-20010821-C00009.png) | 1978-02-10 |
| NO150807C (no) | 1985-01-02 |
| AU1712276A (en) | 1978-03-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: A. AHLSTROEM OSAKEYHTIOE |