AU609481B2 - Process for the preparation of chemico-thermomechanical pulps - Google Patents
Process for the preparation of chemico-thermomechanical pulpsInfo
- Publication number
- AU609481B2 AU609481B2 AU16614/88A AU1661488A AU609481B2 AU 609481 B2 AU609481 B2 AU 609481B2 AU 16614/88 A AU16614/88 A AU 16614/88A AU 1661488 A AU1661488 A AU 1661488A AU 609481 B2 AU609481 B2 AU 609481B2
- Authority
- AU
- Australia
- Prior art keywords
- chemico
- preparation
- aid
- thermomechanical pulps
- medium
- 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.)
- Ceased
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Steroid Compounds (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Catalysts (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8707552A FR2615874B1 (fr) | 1987-05-25 | 1987-05-25 | Procede de preparation de pates chimicothermomecaniques |
FR8707552 | 1987-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1661488A AU1661488A (en) | 1988-12-01 |
AU609481B2 true AU609481B2 (en) | 1991-05-02 |
Family
ID=9351559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU16614/88A Ceased AU609481B2 (en) | 1987-05-25 | 1988-05-25 | Process for the preparation of chemico-thermomechanical pulps |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0293309B1 (xx) |
JP (1) | JPS63303189A (xx) |
AT (1) | ATE61639T1 (xx) |
AU (1) | AU609481B2 (xx) |
CA (1) | CA1310452C (xx) |
DE (2) | DE293309T1 (xx) |
ES (1) | ES2004855B3 (xx) |
FI (1) | FI93746C (xx) |
FR (1) | FR2615874B1 (xx) |
NO (1) | NO171801C (xx) |
NZ (1) | NZ224749A (xx) |
PT (1) | PT87569B (xx) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU616541B2 (en) * | 1988-07-12 | 1991-10-31 | Atochem | Process for the manufacture of bleached chemithermomechanical pulps |
AU641478B2 (en) * | 1990-03-07 | 1993-09-23 | Atochem | Process for the preparation of bleached high-yield pulps |
US11725338B2 (en) | 2014-03-25 | 2023-08-15 | Basf Se | Method for producing bleached wood fibre material |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE468644B (sv) * | 1991-05-24 | 1993-02-22 | Sunds Defibrator Ind Ab | Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit |
DE10109502A1 (de) | 2001-02-28 | 2002-09-12 | Rhodia Acetow Gmbh | Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse sowie die mit dem Verfahren erhältliche Biomasse und Hemicellulose |
ES2708216T3 (es) * | 2012-12-12 | 2019-04-09 | Basf Se | Uso de ditionito de sodio en el proceso de despulpado de celulosa |
CN111549552B (zh) * | 2020-05-25 | 2022-06-14 | 广西大学 | 一种废水碱回收循环利用的高得率化学机械浆制浆方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3799989A (en) * | 1988-07-12 | 1990-01-18 | Atochem | Process for the manufacture of bleached chemithermomechanical pulps |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1150451A (fr) * | 1956-05-04 | 1958-01-14 | Saint Gobain | Perfectionnement aux procédés de fabrication des pâtes cellulosiques mi-chimiques |
US3284283A (en) * | 1964-02-17 | 1966-11-08 | Fmc Corp | Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride |
CH510168A (it) * | 1969-07-30 | 1971-07-15 | Vita Mayer & C Gia | Processo per la produzione di paste ad alta resa ed alto grado di bianco per uso cartario |
JPS5210300B2 (xx) * | 1973-06-19 | 1977-03-23 | ||
SE416481B (sv) * | 1977-05-02 | 1981-01-05 | Mo Och Domsjoe Ab | Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts |
CA1212505A (en) * | 1984-07-17 | 1986-10-14 | Rudy Vit | Method, process and apparatus for converting wood, wood residue and or biomass into pulp |
-
1987
- 1987-05-25 FR FR8707552A patent/FR2615874B1/fr not_active Expired - Lifetime
-
1988
- 1988-05-17 EP EP88420160A patent/EP0293309B1/fr not_active Expired - Lifetime
- 1988-05-17 ES ES88420160T patent/ES2004855B3/es not_active Expired - Lifetime
- 1988-05-17 DE DE198888420160T patent/DE293309T1/de active Pending
- 1988-05-17 DE DE8888420160T patent/DE3861982D1/de not_active Expired - Fee Related
- 1988-05-17 AT AT88420160T patent/ATE61639T1/de not_active IP Right Cessation
- 1988-05-23 NZ NZ224749A patent/NZ224749A/xx unknown
- 1988-05-24 CA CA000567547A patent/CA1310452C/fr not_active Expired - Lifetime
- 1988-05-24 NO NO882263A patent/NO171801C/no not_active IP Right Cessation
- 1988-05-24 FI FI882448A patent/FI93746C/fi not_active IP Right Cessation
- 1988-05-24 PT PT87569A patent/PT87569B/pt not_active IP Right Cessation
- 1988-05-25 AU AU16614/88A patent/AU609481B2/en not_active Ceased
- 1988-05-25 JP JP63128124A patent/JPS63303189A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3799989A (en) * | 1988-07-12 | 1990-01-18 | Atochem | Process for the manufacture of bleached chemithermomechanical pulps |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU616541B2 (en) * | 1988-07-12 | 1991-10-31 | Atochem | Process for the manufacture of bleached chemithermomechanical pulps |
AU641478B2 (en) * | 1990-03-07 | 1993-09-23 | Atochem | Process for the preparation of bleached high-yield pulps |
US11725338B2 (en) | 2014-03-25 | 2023-08-15 | Basf Se | Method for producing bleached wood fibre material |
Also Published As
Publication number | Publication date |
---|---|
NO882263L (no) | 1988-11-28 |
EP0293309A1 (fr) | 1988-11-30 |
ES2004855A4 (es) | 1989-02-16 |
PT87569A (pt) | 1989-05-31 |
FR2615874A1 (fr) | 1988-12-02 |
NZ224749A (en) | 1989-08-29 |
ES2004855B3 (es) | 1991-08-16 |
FR2615874B1 (fr) | 1992-02-21 |
EP0293309B1 (fr) | 1991-03-13 |
ATE61639T1 (de) | 1991-03-15 |
JPS63303189A (ja) | 1988-12-09 |
FI882448A (fi) | 1988-11-26 |
FI93746C (fi) | 1995-05-26 |
FI882448A0 (fi) | 1988-05-24 |
PT87569B (pt) | 1992-09-30 |
DE3861982D1 (de) | 1991-04-18 |
AU1661488A (en) | 1988-12-01 |
FI93746B (fi) | 1995-02-15 |
DE293309T1 (de) | 1989-05-11 |
CA1310452C (fr) | 1992-11-24 |
NO171801B (no) | 1993-01-25 |
NO171801C (no) | 1993-05-05 |
NO882263D0 (no) | 1988-05-24 |
JPH0217675B2 (xx) | 1990-04-23 |
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AU609481B2 (en) | Process for the preparation of chemico-thermomechanical pulps | |
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SE8102597L (sv) | Forfarande for framstellning av alkalisk sulfitmassa | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |