BR8405320A - Processo para a producao de polpa mecanica e polpa mecanica branqueada possuindo alvura acentuada - Google Patents
Processo para a producao de polpa mecanica e polpa mecanica branqueada possuindo alvura acentuadaInfo
- Publication number
- BR8405320A BR8405320A BR8405320A BR8405320A BR8405320A BR 8405320 A BR8405320 A BR 8405320A BR 8405320 A BR8405320 A BR 8405320A BR 8405320 A BR8405320 A BR 8405320A BR 8405320 A BR8405320 A BR 8405320A
- Authority
- BR
- Brazil
- Prior art keywords
- mechanical pulp
- production
- milled
- enhanced white
- enhanced
- Prior art date
Links
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
-
- 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
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54384783A | 1983-10-20 | 1983-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8405320A true BR8405320A (pt) | 1985-09-03 |
Family
ID=24169776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8405320A BR8405320A (pt) | 1983-10-20 | 1984-10-19 | Processo para a producao de polpa mecanica e polpa mecanica branqueada possuindo alvura acentuada |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0138484A3 (pt) |
JP (1) | JPS60146090A (pt) |
BR (1) | BR8405320A (pt) |
CA (1) | CA1240456A (pt) |
FI (1) | FI844071L (pt) |
NO (1) | NO844062L (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE454186C (sv) * | 1985-03-13 | 1989-09-25 | Eka Nobel Ab | Saett foer framstaellning av kemimekanisk massa |
SE8501246L (sv) * | 1985-03-13 | 1986-09-14 | Eka Ab | Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering |
SE458690B (sv) * | 1986-11-06 | 1989-04-24 | Sunds Defibrator | Saett att framstaella mekanisk massa fraan lignocellulosahaltigt material i styckeform med en laengd i fiberriktningen av minst 200 mm |
US5853534A (en) * | 1992-12-30 | 1998-12-29 | Sunds Defibrator Industries Ab | Method of producing pulp with high yield using a two-stage refining system operating at different temperatures |
FI113670B (fi) * | 1999-12-09 | 2004-05-31 | Upm Kymmene Corp | Menetelmä painopaperin valmistamiseksi |
FI113552B (fi) | 1999-12-09 | 2004-05-14 | Upm Kymmene Corp | Menetelmä painopaperin valmistamiseksi |
FI126694B (fi) * | 2005-12-02 | 2017-04-13 | Metsä Board Oyj | Kemimekaaninen massa ja menetelmä sen valmistamiseksi |
US8262851B2 (en) | 2006-08-10 | 2012-09-11 | Andritz Inc. | Processes and systems for the pulping of lignocellulosic materials |
WO2008076055A1 (en) * | 2006-12-19 | 2008-06-26 | Akzo Nobel N.V. | Process of pulping |
WO2008153565A1 (en) * | 2007-06-12 | 2008-12-18 | Meadwestvaco Corporation | A fiber blend having high yield and enhanced pulp performance and method for making same |
US20080308239A1 (en) | 2007-06-12 | 2008-12-18 | Hart Peter W | Fiber blend having high yield and enhanced pulp performance and method for making same |
SE537483C2 (sv) * | 2012-03-23 | 2015-05-19 | Valmet Oy | Förfarande och anordning för rengöring av lignocellulosamaterial under impregnering |
CN107503214A (zh) * | 2017-10-11 | 2017-12-22 | 山东恒安纸业有限公司 | 一种新型生活用纸备浆装置及工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE536814A (pt) * | 1954-04-08 | |||
US4116758A (en) * | 1976-05-14 | 1978-09-26 | Canadian International Paper Co. | Method of producing high yield chemimechanical pulps |
US4145246A (en) * | 1976-07-19 | 1979-03-20 | Crown Zellerbach Corporation | Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom |
US4229250A (en) * | 1979-02-28 | 1980-10-21 | Valmet Oy | Method of improving properties of mechanical paper pulp without chemical reaction therewith |
FI810330L (fi) * | 1980-02-14 | 1981-08-15 | Beloit Corp | Termomekaniskt defibreringsfoerfarande |
-
1984
- 1984-09-11 CA CA000462872A patent/CA1240456A/en not_active Expired
- 1984-09-28 EP EP84306656A patent/EP0138484A3/en not_active Withdrawn
- 1984-10-10 NO NO844062A patent/NO844062L/no unknown
- 1984-10-16 FI FI844071A patent/FI844071L/fi not_active Application Discontinuation
- 1984-10-19 BR BR8405320A patent/BR8405320A/pt unknown
- 1984-10-19 JP JP59220299A patent/JPS60146090A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0138484A2 (en) | 1985-04-24 |
EP0138484A3 (en) | 1986-07-02 |
FI844071A0 (fi) | 1984-10-16 |
JPS60146090A (ja) | 1985-08-01 |
FI844071L (fi) | 1985-04-21 |
CA1240456A (en) | 1988-08-16 |
NO844062L (no) | 1985-04-22 |
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