AU2540184A - Continuous thermomechanical digestion and bleaching of pulp - Google Patents

Continuous thermomechanical digestion and bleaching of pulp

Info

Publication number
AU2540184A
AU2540184A AU25401/84A AU2540184A AU2540184A AU 2540184 A AU2540184 A AU 2540184A AU 25401/84 A AU25401/84 A AU 25401/84A AU 2540184 A AU2540184 A AU 2540184A AU 2540184 A AU2540184 A AU 2540184A
Authority
AU
Australia
Prior art keywords
bleaching
pulp
thermomechanical digestion
continuous
continuous thermomechanical
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
Application number
AU25401/84A
Other versions
AU570673B2 (en
Inventor
Eduardo Joel Villavicencio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Process Evaluation and Development Corp
Original Assignee
Process Evaluation and Development Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Process Evaluation and Development Corp filed Critical Process Evaluation and Development Corp
Publication of AU2540184A publication Critical patent/AU2540184A/en
Application granted granted Critical
Publication of AU570673B2 publication Critical patent/AU570673B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • D21B1/04—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
    • D21B1/30—Defibrating by other means
    • D21B1/36—Explosive disintegration by sudden pressure reduction
    • 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
    • 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
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
AU25401/84A 1983-05-23 1984-03-08 Continuous thermomechanical digestion and bleaching of pulp Ceased AU570673B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49689283A 1983-05-23 1983-05-23
US496892 1983-05-23

Publications (2)

Publication Number Publication Date
AU2540184A true AU2540184A (en) 1984-11-29
AU570673B2 AU570673B2 (en) 1988-03-24

Family

ID=23974632

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25401/84A Ceased AU570673B2 (en) 1983-05-23 1984-03-08 Continuous thermomechanical digestion and bleaching of pulp

Country Status (9)

Country Link
JP (1) JPS59216994A (en)
AU (1) AU570673B2 (en)
BR (1) BR8305924A (en)
EG (1) EG16660A (en)
ES (1) ES531729A0 (en)
FR (1) FR2546545B1 (en)
IN (1) IN160270B (en)
PH (1) PH22203A (en)
ZA (1) ZA837927B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3610940A1 (en) * 1986-03-04 1987-09-10 Escher Wyss Gmbh HIGH TEMPERATURE HIGH CONSISTENCY FAST WHITE
FR2701274B1 (en) * 1993-02-09 1995-03-31 Air Liquide Process for the manufacture of bleached chemical thermal mechanical pulp (CTMP).
JP2005290331A (en) 2004-04-06 2005-10-20 Shinto Fine Co Ltd Antiallergenic composition and method for deactivating allergen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB818828A (en) * 1956-07-10 1959-08-26 Scott Paper Co Process for bleaching cellulosic pulp
DE1253031B (en) * 1963-04-03 1967-10-26 Defibrator Ab Process for the production of mechanical and / or chemomechanical pulp from lignocellulose-containing material
FR1401560A (en) * 1964-05-29 1965-06-04 Defibrator Ab Process for manufacturing cellulose pulp from chips in a shredder device
US3467574A (en) * 1966-06-14 1969-09-16 Crown Zellerbach Corp Refiner bleaching of high yield pulps
FI61215B (en) * 1976-11-23 1982-02-26 Defibrator Ab SAFETY RANGE OF CONTAINER FRAMSTAELLA LIGNOCELLULOSAHALTIGA FIBERMATERIAL
SE420329C (en) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
SE422818B (en) * 1978-03-31 1982-03-29 Modo Chemetrics Ab PROCEDURE FOR PROCESSING ALLULOSAMASSA BY BLACKING OR EXTRACTING
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4347101A (en) * 1980-11-24 1982-08-31 W. R. Grace & Co. Process for producing newsprint
US4431480A (en) * 1981-10-27 1984-02-14 The Black Clawson Company Method and apparatus for controlled addition of alkaline chemicals to an oxygen delignification reaction

Also Published As

Publication number Publication date
FR2546545B1 (en) 1986-10-24
PH22203A (en) 1988-06-28
FR2546545A1 (en) 1984-11-30
BR8305924A (en) 1985-02-20
ES8503757A1 (en) 1985-03-01
ES531729A0 (en) 1985-03-01
AU570673B2 (en) 1988-03-24
EG16660A (en) 1991-12-30
ZA837927B (en) 1985-01-30
IN160270B (en) 1987-07-04
JPS59216994A (en) 1984-12-07

Similar Documents

Publication Publication Date Title
GB2171122B (en) Deacidification of cellulosic materials
AU509369B2 (en) Bleaching and extraction of cellulosic pulps
AU6467186A (en) Pulp bleaching
AU586298B2 (en) Method in the bleaching of cellulose pulp
GB2287258B (en) Processing of cellulosic pulp
AU542141B2 (en) Continuous pulp digestion
NZ211684A (en) Manufacture of cellulose pulp: second digestion step follows initial digestion and refining steps
AU570673B2 (en) Continuous thermomechanical digestion and bleaching of pulp
JPS57121691A (en) Delignifying and/or bleaching of cellulose pulp
AU568112B2 (en) Bleaching and washing of mechanical cellulose pulp
ZA955827B (en) Bleaching of high consistency lignocellulosic pulp
ZA911062B (en) Bleaching of paper pulp
AU570034B2 (en) Continuous pulp digester
ZA877379B (en) Manufacture of pulp
AU1877592A (en) Bleaching and delignification of pulp
PT83406A (en) High yield pulping and bleaching process
PT80866B (en) Improved delignification of pulp
PL246712A1 (en) Method of dewatering of pulp and apparatus therefor
ZA955971B (en) Method of bleaching pulp
JPS57167475A (en) Production of bleached pulp from unbleached used paper
JPS57121690A (en) Delignifying and/or bleaching of cellulose pulp
ZA868664B (en) Pulp bleaching
GB2176812B (en) Bleaching of cellulosic materials
AU4002385A (en) Process and apparatus for bleaching of pulp
GB8523174D0 (en) Bleaching of cellulose pulp