PT87569A - Procede de preparation de pates chimicothermomecaniques - Google Patents

Procede de preparation de pates chimicothermomecaniques

Info

Publication number: PT87569A
Authority: PT; Portugal
Prior art keywords: chimicothermomecaniques; procede; pates; preparation; aid
Prior art date: 1987-05-25

Application number

PT87569A

Other languages

English (en)

Other versions

PT87569B (pt

Inventor

Michel Devic

Robert Angelier

Original Assignee

Atochem

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.)

1987-05-25

Filing date

1988-05-24

Publication date

1989-05-31

1988-05-24 Application filed by Atochem filed Critical Atochem

1989-05-31 Publication of PT87569A publication Critical patent/PT87569A/pt

1992-09-30 Publication of PT87569B publication Critical patent/PT87569B/pt

Links

102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 abstract 1
101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 abstract 1
DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract 1
239000012736 aqueous medium Substances 0.000 abstract 1
238000004061 bleaching Methods 0.000 abstract 1
239000003638 chemical reducing agent Substances 0.000 abstract 1
238000010411 cooking Methods 0.000 abstract 1
150000002500 ions Chemical class 0.000 abstract 1
239000012978 lignocellulosic material Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
239000002609 medium Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
229920006395 saturated elastomer Polymers 0.000 abstract 1
235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 1
235000010265 sodium sulphite Nutrition 0.000 abstract 1

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)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Catalysts (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Steroid Compounds (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Thermotherapy And Cooling Therapy Devices (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)

PT87569A 1987-05-25 1988-05-24 Processo para a preparacao de pastas quimicotermomecanicas PT87569B (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8707552A FR2615874B1 (fr)	1987-05-25	1987-05-25	Procede de preparation de pates chimicothermomecaniques

Publications (2)

Publication Number	Publication Date
PT87569A true PT87569A (pt)	1989-05-31
PT87569B PT87569B (pt)	1992-09-30

Family

ID=9351559

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT87569A PT87569B (pt)	1987-05-25	1988-05-24	Processo para a preparacao de pastas quimicotermomecanicas

Country Status (12)

Country	Link
EP (1)	EP0293309B1 (pt)
JP (1)	JPS63303189A (pt)
AT (1)	ATE61639T1 (pt)
AU (1)	AU609481B2 (pt)
CA (1)	CA1310452C (pt)
DE (2)	DE3861982D1 (pt)
ES (1)	ES2004855B3 (pt)
FI (1)	FI93746C (pt)
FR (1)	FR2615874B1 (pt)
NO (1)	NO171801C (pt)
NZ (1)	NZ224749A (pt)
PT (1)	PT87569B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2634233B1 (fr) *	1988-07-12	1995-04-14	Atochem	Procede de fabrication de pates chimicothermomecaniques blanchies
FR2659363B1 (fr) *	1990-03-07	1996-04-19	Atochem	Procede de preparation de pates a haut rendement blanchies.
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
BR112015013578B1 (pt) *	2012-12-12	2021-07-06	Basf Se	método para produção de celulose a partir de material contendo lignocelulose
EP2924166A1 (de)	2014-03-25	2015-09-30	Basf Se	Verfahren zur Herstellung von gebleichtem Holzfaserstoff
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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 (pt) *	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
FR2634233B1 (fr) *	1988-07-12	1995-04-14	Atochem	Procede de fabrication de pates chimicothermomecaniques blanchies

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 DE8888420160T patent/DE3861982D1/de not_active Expired - Fee Related
- 1988-05-17 DE DE198888420160T patent/DE293309T1/de active Pending
- 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 PT PT87569A patent/PT87569B/pt not_active IP Right Cessation
- 1988-05-24 FI FI882448A patent/FI93746C/fi not_active IP Right Cessation
- 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
- 1988-05-25 AU AU16614/88A patent/AU609481B2/en not_active Ceased
- 1988-05-25 JP JP63128124A patent/JPS63303189A/ja active Granted

Also Published As

Publication number	Publication date
NO882263D0 (no)	1988-05-24
AU1661488A (en)	1988-12-01
JPH0217675B2 (pt)	1990-04-23
DE3861982D1 (de)	1991-04-18
PT87569B (pt)	1992-09-30
AU609481B2 (en)	1991-05-02
ES2004855A4 (es)	1989-02-16
ES2004855B3 (es)	1991-08-16
EP0293309B1 (fr)	1991-03-13
JPS63303189A (ja)	1988-12-09
NO171801B (no)	1993-01-25
FI93746B (fi)	1995-02-15
DE293309T1 (de)	1989-05-11
NO882263L (no)	1988-11-28
ATE61639T1 (de)	1991-03-15
CA1310452C (fr)	1992-11-24
FR2615874A1 (fr)	1988-12-02
NZ224749A (en)	1989-08-29
FI882448L (fi)	1988-11-26
FI93746C (fi)	1995-05-26
FI882448A0 (fi)	1988-05-24
FR2615874B1 (fr)	1992-02-21
NO171801C (no)	1993-05-05
EP0293309A1 (fr)	1988-11-30

Legal Events

Date

Code

Title

Description

1992-09-30

FG3A

Patent granted, date of granting

Effective date: 19920319

2002-12-31

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20020930

Publication	Publication Date	Title
EP0284585A3 (en)	1991-04-17	Improved process for preparing pulp for paper making
FI803309L (fi)	1981-04-24	Foerfarande foer regenerering av avfallspapper
SE8503153L (sv)	1985-12-28	Delignifiering
FR2615874B1 (fr)	1992-02-21	Procede de preparation de pates chimicothermomecaniques
CA2099679A1 (en)	1994-01-03	Process for de-inking recycled paper pulp
NO894988D0 (no)	1989-12-12	Fremgangsmaate ved fremstilling av papir.
SE8207356D0 (sv)	1982-12-22	Procede pour le traitement de pates papetieres chimiques
GB2215350B (en)	1992-05-20	Process for bleaching mechanical wood pulp
NO824357L (no)	1983-08-29	Fremgangsmåte til fremstilling av halvbleket cellulose.
ES2015838T3 (es)	1994-03-16	Procedimiento de blanqueado de pastas destintadas.
NO921335L (no)	1992-10-19	Fremgangsmaate for fremstilling av bleket papirmasse i hoeyt utbytte
FR2659363B1 (fr)	1996-04-19	Procede de preparation de pates a haut rendement blanchies.
NZ224144A (en)	1989-07-27	Pulp bleaching process
NO892805L (no)	1990-01-15	Fremgangsmaate for kjemotermomekanisk blekede masser.
FR2655668B1 (fr)	1995-06-09	Procede de blanchiment de pates cellulosiques chimiques.
PT82980A (en)	1986-08-01	Enzymatic process for the treatment of kraft pulp using rldmtm 1-6 and/or other ligninolytic emzymes
SE8700313D0 (sv)	1987-01-27	Procede de blanchiment des pates mecaniques
EP0460219A4 (en)	1992-03-18	Processed hemoglobin and production thereof
FI860650A0 (fi)	1986-02-12	Saett vid pappersframstaellning.