ZA754902B - Pulp bleaching process - Google Patents

Pulp bleaching process

Info

Publication number: ZA754902B
Authority: ZA; South Africa
Prior art keywords: bleaching process; pulp bleaching; pulp; bleaching
Prior art date: 1974-09-04

Application number

ZA00754902A

Inventor

G Annergren

Original Assignee

Sunds Ab

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.)

1974-09-04

Filing date

1975-07-30

Publication date

1976-07-28

1975-07-30 Application filed by Sunds Ab filed Critical Sunds Ab

1976-07-28 Publication of ZA754902B publication Critical patent/ZA754902B/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
- D21C9/1026—Other features in bleaching processes
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

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

ZA00754902A 1974-09-04 1975-07-30 Pulp bleaching process ZA754902B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7411170A SE390178B (en)	1974-09-04	1974-09-04	WHEN BLACHING LIGNOCELLULOSE-CONTAINING MATERIAL WITH A COMBINATION OF GAS PHASE CHLORINATION AND A REPLACEMENT BLACHING SYSTEM CONTAINING CHLORIO DIOXIDE

Publications (1)

Publication Number	Publication Date
ZA754902B true ZA754902B (en)	1976-07-28

Family

ID=20322052

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00754902A ZA754902B (en)	1974-09-04	1975-07-30	Pulp bleaching process

Country Status (9)

Country	Link
JP (1)	JPS5153004A (en)
AU (1)	AU8358175A (en)
BR (1)	BR7505456A (en)
DE (1)	DE2539402A1 (en)
FI (1)	FI752334A (en)
FR (1)	FR2330798A1 (en)
NO (1)	NO753019L (en)
SE (1)	SE390178B (en)
ZA (1)	ZA754902B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE451606B (en) *	1982-09-14	1987-10-19	Sca Development Ab	VIEW WHITENING OF HOG REPLACEMENT MASSES AVERAGE PEROXIDES
SE516969C2 (en) *	2000-08-14	2002-03-26	Metso Paper Inc	Chlorine dioxide bleaching in two stages with return of filtrate

1974
- 1974-09-04 SE SE7411170A patent/SE390178B/en unknown
1975
- 1975-07-30 ZA ZA00754902A patent/ZA754902B/en unknown
- 1975-07-31 AU AU83581/75A patent/AU8358175A/en not_active Expired
- 1975-08-18 FI FI752334A patent/FI752334A/fi not_active Application Discontinuation
- 1975-08-26 BR BR7505456*A patent/BR7505456A/en unknown
- 1975-09-01 JP JP50106481A patent/JPS5153004A/ja active Pending
- 1975-09-02 FR FR7526852A patent/FR2330798A1/en not_active Withdrawn
- 1975-09-02 NO NO753019A patent/NO753019L/no unknown
- 1975-09-04 DE DE19752539402 patent/DE2539402A1/en active Pending

Also Published As

Publication number	Publication date
AU8358175A (en)	1977-02-03
SE390178B (en)	1976-12-06
FR2330798A1 (en)	1977-06-03
SE7411170L (en)	1976-03-05
JPS5153004A (en)	1976-05-11
FI752334A (en)	1976-03-05
NO753019L (en)	1976-03-05
BR7505456A (en)	1976-08-03
DE2539402A1 (en)	1976-03-18

Similar Documents

Publication	Publication Date	Title
GB1408144A (en)	1975-10-01	Bleaching process
PT64868B (en)	1977-07-22	Bleach plant operation
JPS5284189A (en)	1977-07-13	Bleaching asistances
ZA751267B (en)	1976-01-28	A method of bleaching cellulose pulp
AU1924476A (en)	1978-05-11	Bleaching
AU497403B2 (en)	1978-12-14	Washing cellulose pulp
IL46999A0 (en)	1975-06-25	Colouration process
ZA757815B (en)	1976-11-24	High yield pulping process
CA1019906A (en)	1977-11-01	Pulp bleaching process
JPS5263402A (en)	1977-05-25	Process for bleaching pulp with peroxides
IE37879B1 (en)	1977-11-09	Bleaching process
JPS51116207A (en)	1976-10-13	Improved process for bleaching pulp with ozone
JPS5277203A (en)	1977-06-29	Process for bleaching pulp
ZA702034B (en)	1971-11-24	Pulp bleaching process
AU7076774A (en)	1976-01-08	Bleach
AU8358175A (en)	1977-02-03	Pulp bleaching process
IL47473A (en)	1978-12-17	Washing machine
JPS5349107A (en)	1978-05-04	Process for bleaching pulp with ozone
JPS5237802A (en)	1977-03-24	Process for making pulp
ZA756480B (en)	1977-01-26	Dewatering machine
JPS5270102A (en)	1977-06-10	Process for bleaching pulp with peroxides
JPS51139903A (en)	1976-12-02	Process for bleaching pulp
JPS5324401A (en)	1978-03-07	Process for multistage pulp bleaching
ZA723212B (en)	1973-02-28	Bleaching process
JPS51112904A (en)	1976-10-05	Process for bleaching pulp with ozone