BR7703560A - Processo para cozimento alcalino e deslignificacao de material celulosico - Google Patents

Processo para cozimento alcalino e deslignificacao de material celulosico

Info

Publication number
BR7703560A
BR7703560A BR7703560A BR7703560A BR7703560A BR 7703560 A BR7703560 A BR 7703560A BR 7703560 A BR7703560 A BR 7703560A BR 7703560 A BR7703560 A BR 7703560A BR 7703560 A BR7703560 A BR 7703560A
Authority
BR
Brazil
Prior art keywords
designification
cellulosic material
alkaline cooking
cooking
alkaline
Prior art date
Application number
BR7703560A
Other languages
English (en)
Portuguese (pt)
Inventor
S Miyao
K Takeda
T Nagano
Original Assignee
Toyo Pulp Co Ltd
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 Toyo Pulp Co Ltd filed Critical Toyo Pulp Co Ltd
Publication of BR7703560A publication Critical patent/BR7703560A/pt

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
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
BR7703560A 1976-06-01 1977-06-01 Processo para cozimento alcalino e deslignificacao de material celulosico BR7703560A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6399776A JPS52148201A (en) 1976-06-01 1976-06-01 Process for making alkali pulp and lignin separation

Publications (1)

Publication Number Publication Date
BR7703560A true BR7703560A (pt) 1978-12-19

Family

ID=13245403

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7703560A BR7703560A (pt) 1976-06-01 1977-06-01 Processo para cozimento alcalino e deslignificacao de material celulosico

Country Status (6)

Country Link
JP (1) JPS52148201A (OSRAM)
BR (1) BR7703560A (OSRAM)
CA (1) CA1087354A (OSRAM)
FI (1) FI771724A7 (OSRAM)
FR (1) FR2353673A1 (OSRAM)
SE (1) SE7706370L (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156801A (en) * 1978-05-23 1979-12-11 Toyo Pulp Co Ltd Method and apparatus for producing alkali pulp
JPS57130737U (OSRAM) * 1981-02-09 1982-08-14
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane
EP3464713B1 (en) * 2016-05-27 2023-09-27 Fibratech Pte. Ltd A method and a system for production of high molecular weight lignin
RU2669622C1 (ru) * 2018-01-31 2018-10-12 Генкин Михаил Владимирович Способ и реактор для извлечения хлорида натрия и хлорида калия из полиминеральных источников

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1367435A (fr) * 1961-12-23 1964-07-24 Kamyr Ab Procédé de digestion continue, à deux phases, de la cellulose et appareil de digestion pour la mise en oeuvre de ce procédé
GB1449828A (en) * 1973-04-26 1976-09-15 Canadian Ind Oxygen pulping process
AT334195B (de) * 1973-12-31 1976-01-10 Canadian Ind Verfahren zum entfernen von lignin aus lignocellulosematerial
JPS5241361B2 (OSRAM) * 1974-02-18 1977-10-18
FR2276420A1 (fr) * 1974-06-24 1976-01-23 Centre Tech Ind Papier Procede pour la fabrication de pates chimiques, par delignification de copeaux de matieres ligno-cellulosiques par l'oxygene en milieu alcalin

Also Published As

Publication number Publication date
SE7706370L (sv) 1977-12-02
FR2353673A1 (fr) 1977-12-30
CA1087354A (en) 1980-10-14
JPS5325045B2 (OSRAM) 1978-07-25
FI771724A7 (OSRAM) 1977-12-02
JPS52148201A (en) 1977-12-09

Similar Documents

Publication Publication Date Title
BR7700211A (pt) Processo e aparelho para corte transversal de material alongado
BR7804049A (pt) Composicao de poliester reticulavel tixotropica,e processo para sua preparacao
BR7806832A (pt) Processo para tratamento de polpa mecanica refinada e polpa termomecanica
BR7701695A (pt) Processo e aparelho para producao de polpa
BR7704071A (pt) Aparelho e processo para aplicacao por pulverizacao
BR7903508A (pt) Fralda,e processo para faze-la
BR8106311A (pt) Processo de gaseificacao continua de material celulosico e aparelho para sua realizacao
BR7603270A (pt) Processo e aparelho para perfilagem de pocos
BR7901214A (pt) Processo para preparacao de cicloalcanois e cicloalcanonas
BR7803107A (pt) Processo e aparelho para previsao de estrutura metalografica
BR7708329A (pt) Processo e aparelho para enrolar insercoes
BR7802110A (pt) Perborato de sodio superoxidado e processo para o seu fabrico
BR7804267A (pt) Aparelho e processo para maceracao e classificacao de material
BR8005964A (pt) Estrutura absorvente e processo para sua preparacao
BR7807574A (pt) Aparelhagem e processo para cortar material para a confeccao de pneumaticos
BR7702713A (pt) Processo para deslignificacao de material lignocelulosico
BR7803644A (pt) Processo e dispositivo para formacao termo-mecanica de polpa de pedacos de madeira
BR7703560A (pt) Processo para cozimento alcalino e deslignificacao de material celulosico
BR7603523A (pt) Processo para tingimento e estampagem de materiais fibrosos sinteticos
BR7703256A (pt) Processo para deslignificacao e alvejamento de polpas lignocelulosicas
BR7805297A (pt) Material de friccao e processo para fabrica-lo
BR7802461A (pt) Aglutinante para fabricacao demateriais nao tecidos e processo para fabricacao do referido aglutinante
BR7800618A (pt) Teclas para teclados e seu processo de fabricacao
BR7800185A (pt) Processo para producao de tiazolino-2-tionas e tiazolino-2-tionas
BR7708250A (pt) Processo para deslignificacao de material lignocelulosico