JPS57121692A - Reduction of resin content in producing cellulose pulp from lignocellulose material - Google Patents
Reduction of resin content in producing cellulose pulp from lignocellulose materialInfo
- Publication number
- JPS57121692A JPS57121692A JP56196181A JP19618181A JPS57121692A JP S57121692 A JPS57121692 A JP S57121692A JP 56196181 A JP56196181 A JP 56196181A JP 19618181 A JP19618181 A JP 19618181A JP S57121692 A JPS57121692 A JP S57121692A
- Authority
- JP
- Japan
- Prior art keywords
- reduction
- resin content
- cellulose pulp
- producing cellulose
- lignocellulose material
- 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.)
- Granted
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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8008574A SE424884B (sv) | 1980-12-05 | 1980-12-05 | Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57121692A true JPS57121692A (en) | 1982-07-29 |
JPH0114358B2 JPH0114358B2 (fi) | 1989-03-10 |
Family
ID=20342404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56196181A Granted JPS57121692A (en) | 1980-12-05 | 1981-12-04 | Reduction of resin content in producing cellulose pulp from lignocellulose material |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS57121692A (fi) |
AU (1) | AU529326B2 (fi) |
CA (1) | CA1162358A (fi) |
CH (1) | CH655965A5 (fi) |
DE (1) | DE3148101C2 (fi) |
FI (1) | FI69657C (fi) |
NO (1) | NO156905C (fi) |
SE (1) | SE424884B (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930980A (ja) * | 1982-08-12 | 1984-02-18 | 王子製紙株式会社 | リグノセルロ−ス物質の漂白方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE502321C2 (sv) * | 1994-03-04 | 1995-10-02 | Kvaerner Pulping Tech | Förfarande vid ozonblekning av sulfitmassa |
FI20070126A0 (fi) | 2006-09-08 | 2007-02-13 | Linde Ag | Menetelmä hartsin poistamiseksi massasta ja hiilidioksidin tai (bi)karbonaatin käyttö tähän tarkoitukseen |
-
1980
- 1980-12-05 SE SE8008574A patent/SE424884B/sv not_active IP Right Cessation
-
1981
- 1981-11-25 AU AU77888/81A patent/AU529326B2/en not_active Ceased
- 1981-12-04 CH CH7774/81A patent/CH655965A5/de not_active IP Right Cessation
- 1981-12-04 FI FI813896A patent/FI69657C/fi not_active IP Right Cessation
- 1981-12-04 NO NO814163A patent/NO156905C/no not_active IP Right Cessation
- 1981-12-04 DE DE3148101A patent/DE3148101C2/de not_active Expired
- 1981-12-04 JP JP56196181A patent/JPS57121692A/ja active Granted
- 1981-12-07 CA CA000391674A patent/CA1162358A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930980A (ja) * | 1982-08-12 | 1984-02-18 | 王子製紙株式会社 | リグノセルロ−ス物質の漂白方法 |
Also Published As
Publication number | Publication date |
---|---|
FI813896L (fi) | 1982-06-06 |
NO156905B (no) | 1987-09-07 |
SE424884B (sv) | 1982-08-16 |
CA1162358A (en) | 1984-02-21 |
CH655965A5 (de) | 1986-05-30 |
AU529326B2 (en) | 1983-06-02 |
NO156905C (no) | 1987-12-16 |
FI69657B (fi) | 1985-11-29 |
NO814163L (no) | 1982-06-07 |
DE3148101C2 (de) | 1985-11-07 |
JPH0114358B2 (fi) | 1989-03-10 |
DE3148101A1 (de) | 1982-08-12 |
FI69657C (fi) | 1990-10-31 |
AU7788881A (en) | 1982-06-17 |
SE8008574L (sv) | 1982-06-06 |
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