IT1162810B - PROCEDURE FOR THE TREATMENT OF CHEMICAL PASTE PER PAPER - Google Patents

PROCEDURE FOR THE TREATMENT OF CHEMICAL PASTE PER PAPER

Info

Publication number: IT1162810B
Authority: IT; Italy
Prior art keywords: procedure; treatment; per paper; paste per; chemical paste
Prior art date: 1982-01-28

Application number

IT67014/83A

Other languages

Italian (it)

Other versions

IT8367014A0 (en

Inventor

Dominique Lachenal

Choudens Christian De

Original Assignee

Ugine Kuhlmann

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.)

1982-01-28

Filing date

1983-01-07

Publication date

1987-04-01

1983-01-07 Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann

1983-01-07 Publication of IT8367014A0 publication Critical patent/IT8367014A0/en

1987-04-01 Application granted granted Critical

1987-04-01 Publication of IT1162810B publication Critical patent/IT1162810B/en

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
- D21C9/10—Bleaching ; Apparatus therefor
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

IT67014/83A 1982-01-28 1983-01-07 PROCEDURE FOR THE TREATMENT OF CHEMICAL PASTE PER PAPER IT1162810B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8201603A FR2520397A1 (en)	1982-01-28	1982-01-28	PROCESS FOR TREATING CHEMICAL PAPER PASTES

Publications (2)

Publication Number	Publication Date
IT8367014A0 IT8367014A0 (en)	1983-01-07
IT1162810B true IT1162810B (en)	1987-04-01

Family

ID=9270561

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67014/83A IT1162810B (en)	1982-01-28	1983-01-07	PROCEDURE FOR THE TREATMENT OF CHEMICAL PASTE PER PAPER

Country Status (16)

Country	Link
JP (1)	JPS58132190A (en)
KR (1)	KR850001341B1 (en)
AT (1)	AT381736B (en)
BE (1)	BE895645A (en)
BR (1)	BR8300402A (en)
CA (1)	CA1206704A (en)
CH (1)	CH653720A5 (en)
DE (1)	DE3302580A1 (en)
ES (1)	ES519327A0 (en)
FI (1)	FI76134C (en)
FR (1)	FR2520397A1 (en)
IT (1)	IT1162810B (en)
NO (1)	NO161391C (en)
OA (1)	OA07313A (en)
PT (1)	PT76145B (en)
SE (1)	SE462288B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1227304A (en) *	1984-08-01	1987-09-29	Raymond C. Francis	Delignification of pulp
FR2593527B1 (en) *	1986-01-30	1988-03-25	Centre Tech Ind Papier	PROCESS FOR BLEACHING MECHANICAL PASTA.
DE402335T1 (en) *	1989-06-06	1992-04-09	Eka Nobel Ab, Surte	METHOD FOR BLEACHING LIGNOCELLULOSE-CONTAINING CELLS.
US5091054A (en) *	1989-08-18	1992-02-25	Degussa Corporation	Process for bleaching and delignification of lignocellulosic
US5246543A (en) *	1989-08-18	1993-09-21	Degussa Corporation	Process for bleaching and delignification of lignocellulosic materials
DE3937932A1 (en) *	1989-11-15	1991-05-16	Holtzmann & Cie Ag E	Delignification and bleaching of pulp with alkali chlorite - by adding chlorite before acidification to produce nascent reagent, minimising pollution
SE466061B (en) *	1990-04-23	1991-12-09	Eka Nobel Ab	Bleaching of chemical pulp by treatment with first a complexing agent and then a peroxide containing substance
SE9001481L (en) *	1990-04-23	1991-10-24	Eka Nobel Ab	REDUCTION OF HALOGEN ORGANIC SUBSTANCES IN BLEACHING WASTE
US6398908B1 (en)	1991-04-30	2002-06-04	Eka Nobel Ab	Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE470065C (en) *	1991-04-30	1996-01-15	Eka Nobel Ab	Treatment of chemical pulp with an acid and then a magnesium and calcium compound in chlorine-free bleaching
SE500113C2 (en) *	1992-07-09	1994-04-18	Kamyr Ab	Method of bleaching pulp for disposal of released metals
SE512137C2 (en) *	1992-10-29	2000-01-31	Eka Chemicals Ab	Process for bleaching lignocellulosic pulp
SE9301960L (en) *	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Bleaching of chemical pulp with peroxide at overpressure
US6776876B1 (en)	1994-10-13	2004-08-17	Andritz Oy	Method of treating cellulosic pulp to remove hexenuronic acid
WO1996025552A1 (en) *	1995-02-17	1996-08-22	Ahlstrom Machinery Oy	Method of pretreating pulp to be bleached with peroxide
SE526241C2 (en) *	2003-12-18	2005-08-02	Metso Paper Inc	Procedure for acidifying lignocellulosic pulp before ozone bleaching
US8080560B2 (en)	2004-12-17	2011-12-20	3M Innovative Properties Company	Immune response modifier formulations containing oleic acid and methods
US8889154B2 (en)	2005-09-15	2014-11-18	Medicis Pharmaceutical Corporation	Packaging for 1-(2-methylpropyl)-1H-imidazo[4,5-c] quinolin-4-amine-containing formulation
US8980051B2 (en)	2009-04-24	2015-03-17	International Paper Company	Sulfonation of pulp produced by alkali pulping process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1705897A (en) *	1922-03-16	1929-03-19	Bradley Linn	Bleaching of pulp
FR1010501A (en) *	1948-08-31	1952-06-12	Papiers Abadie Sa Des	Cellulose pulp bleaching process
US2668095A (en) *	1950-09-22	1954-02-02	Du Pont	Bleaching chemical paper pulp
FR1201712A (en) *	1958-07-11	1960-01-05	Fr Du Xylon Soc	Cellulose pulp bleaching improvements
JPS51102103A (en) *	1975-03-05	1976-09-09	Nippon Parupu Kogyo Kk	Ryusanenhoparupuno hyohakuhoho
FR2398839A1 (en) *	1977-07-29	1979-02-23	Centre Tech Ind Papier	Kraft type paper pulp prepn. without sulphur pollutants - by treating shavings with sodium hydroxide followed by stabilised peroxide
DE2742262C2 (en) *	1977-09-20	1982-06-09	Degussa Ag, 6000 Frankfurt	Process for the production of a medium to high viscosity softwood sulphite pulp
JPS5685489A (en) *	1979-12-10	1981-07-11	Kogyo Gijutsuin	Pulp production

1982
- 1982-01-28 FR FR8201603A patent/FR2520397A1/en active Granted
- 1982-12-22 SE SE8207356A patent/SE462288B/en unknown
- 1982-12-23 KR KR8205769A patent/KR850001341B1/en active
1983
- 1983-01-07 IT IT67014/83A patent/IT1162810B/en active
- 1983-01-19 BE BE0/209926A patent/BE895645A/en not_active IP Right Cessation
- 1983-01-25 CA CA000420203A patent/CA1206704A/en not_active Expired
- 1983-01-26 PT PT76145A patent/PT76145B/en not_active IP Right Cessation
- 1983-01-26 DE DE19833302580 patent/DE3302580A1/en active Granted
- 1983-01-27 FI FI830288A patent/FI76134C/en not_active IP Right Cessation
- 1983-01-27 CH CH463/83A patent/CH653720A5/en not_active IP Right Cessation
- 1983-01-27 AT AT0026383A patent/AT381736B/en not_active IP Right Cessation
- 1983-01-27 ES ES519327A patent/ES519327A0/en active Granted
- 1983-01-27 BR BR8300402A patent/BR8300402A/en not_active IP Right Cessation
- 1983-01-27 NO NO830268A patent/NO161391C/en unknown
- 1983-01-28 JP JP58011603A patent/JPS58132190A/en active Granted
- 1983-01-28 OA OA57907A patent/OA07313A/en unknown

Also Published As

Publication number	Publication date
SE8207356D0 (en)	1982-12-22
PT76145B (en)	1985-11-25
IT8367014A0 (en)	1983-01-07
AT381736B (en)	1986-11-25
CH653720A5 (en)	1986-01-15
FR2520397A1 (en)	1983-07-29
JPS58132190A (en)	1983-08-06
NO830268L (en)	1983-07-29
FI830288L (en)	1983-07-29
DE3302580C2 (en)	1992-07-02
BR8300402A (en)	1983-11-01
NO161391C (en)	1989-08-09
KR840002934A (en)	1984-07-21
FR2520397B1 (en)	1984-03-09
ES8400520A1 (en)	1983-10-16
SE8207356L (en)	1983-07-29
SE462288B (en)	1990-05-28
FI76134C (en)	1988-09-09
BE895645A (en)	1983-07-19
DE3302580A1 (en)	1983-08-04
ES519327A0 (en)	1983-10-16
FI830288A0 (en)	1983-01-27
CA1206704A (en)	1986-07-02
FI76134B (en)	1988-05-31
KR850001341B1 (en)	1985-09-19
ATA26383A (en)	1986-04-15
JPH0217679B2 (en)	1990-04-23
NO161391B (en)	1989-05-02
PT76145A (en)	1983-02-01
OA07313A (en)	1984-08-31

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19940129

Publication	Publication Date	Title
IT1162810B (en)	1987-04-01	PROCEDURE FOR THE TREATMENT OF CHEMICAL PASTE PER PAPER
IT7950379A0 (en)	1979-09-27	PROCEDURE FOR THE TREATMENT OF WASTEWATER
DK442283A (en)	1984-03-29	POLYVINYLPYRROLIDONGEL COMPOUNDS
IT8149325A0 (en)	1981-09-18	PROCEDURE FOR THE TREATMENT OF WASTE MATERIALS
FI831602A0 (en)	1983-05-09	LUMINISERAD YTA
IT1160464B (en)	1987-03-11	APPARATUS FOR COSMETIC APPLICATIONS
FI831013L (en)	1983-09-30	CHEMICAL FOERENINGAR
IT1154400B (en)	1987-01-21	SILICON DEPURATION PROCEDURE
FI830689A0 (en)	1983-03-01	CHEMICAL FOERENINGAR
IT8347551A0 (en)	1983-01-13	PROCEDURE FOR THE TREATMENT OF WASTE PAPER
IT1161501B (en)	1987-03-18	DRYING APPARATUS
IT1157343B (en)	1987-02-11	CLEANING PROCEDURE
IT1162888B (en)	1987-04-01	PROCEDURE FOR THE TREATMENT OF WASTE PAPER
IT8347859A0 (en)	1983-03-07	ELECTROLYTIC DEGALVANIZATION PROCEDURE
RO88128A (en)	1985-11-30	PROCESS FOR THE PREPARATION OF N-PHOSFANOMETILGLICINE
BR8300036A (en)	1983-09-13	CLEANING SET
IT8222388A1 (en)	1984-01-14	Procedure for the sizing of paper
IT8421149A1 (en)	1985-11-29	IMPROVED PROCEDURE FOR THE DISPROPORTING OF CHLOROSILANS
NO149485C (en)	1985-03-05	ELECTRODE DEVICE
DK334683D0 (en)	1983-07-20	thermocompressor
IT1173654B (en)	1987-06-24	USE OF COLECALCIFEROL-DERIVATIVES
NO833669L (en)	1983-10-07	ELECTROPLETING PROCEDURE
DK399083D0 (en)	1983-09-01	CHEMICAL COMPOUNDS
IT1136587B (en)	1986-09-03	PROCEDURE FOR THE TREATMENT OF WATERS CONTAINING SULFURS
ATA115182A (en)	1983-01-15	CLEANING SUPPLIES