SE7902741L - Blekningsforfarande - Google Patents

Blekningsforfarande

Info

Publication number: SE7902741L
Authority: SE; Sweden
Prior art keywords: chlorine; chlorine dioxide; aqueous solution; pulp; dioxide
Prior art date: 1978-03-30

Application number

SE7902741A

Other languages

Unknown language ( )

English (en)

Swedish (sv)

Inventor

D W Reeve

W H Rapson

Original Assignee

Erco Ind 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.)

1978-03-30

Filing date

1979-03-27

Publication date

1979-10-01

1979-03-27 Application filed by Erco Ind Ltd filed Critical Erco Ind Ltd

1979-10-01 Publication of SE7902741L publication Critical patent/SE7902741L/

Links

238000004061 bleaching Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 8
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 4
239000004155 Chlorine dioxide Substances 0.000 abstract 4
239000000460 chlorine Substances 0.000 abstract 4
229910052801 chlorine Inorganic materials 0.000 abstract 4
235000019398 chlorine dioxide Nutrition 0.000 abstract 4
239000007864 aqueous solution Substances 0.000 abstract 2
230000002411 adverse Effects 0.000 abstract 1
239000008346 aqueous phase Substances 0.000 abstract 1
230000000694 effects Effects 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000011368 organic material Substances 0.000 abstract 1
238000004537 pulping Methods 0.000 abstract 1
239000000725 suspension Substances 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
- 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
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Textile Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

SE7902741A 1978-03-30 1979-03-27 Blekningsforfarande SE7902741L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1243378		1978-03-30

Publications (1)

Publication Number	Publication Date
SE7902741L true SE7902741L (sv)	1979-10-01

Family

ID=10004518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7902741A SE7902741L (sv)	1978-03-30	1979-03-27	Blekningsforfarande

Country Status (15)

Country	Link
JP (1)	JPS54134104A (cs)
AR (1)	AR220185A1 (cs)
AT (1)	AT376249B (cs)
AU (1)	AU535076B2 (cs)
CA (1)	CA1111607A (cs)
CS (1)	CS231164B2 (cs)
DE (1)	DE2911334A1 (cs)
ES (1)	ES479062A1 (cs)
FI (1)	FI791065A7 (cs)
FR (1)	FR2421242A1 (cs)
NZ (1)	NZ189914A (cs)
PL (1)	PL116704B1 (cs)
PT (1)	PT69361B (cs)
SE (1)	SE7902741L (cs)
ZA (1)	ZA791174B (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4409066A (en) *	1978-03-30	1983-10-11	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
US4325783A (en)	1978-03-30	1982-04-20	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
CA1120660A (en) *	1979-04-16	1982-03-30	Erco Industries Limited	Bleaching sequence
US4406736A (en) *	1979-11-29	1983-09-27	Erco Industries Limited	Method of bleaching pulp with an aqueous solution of chlorine dioxide and chlorine followed by a chlorine solution
US4421598A (en) *	1981-08-17	1983-12-20	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE28884E (en) *	1965-06-28	1976-06-29	Hooker Chemicals & Plastics Corporation	Woodpulp bleaching process
CA926056A (en) *	1966-01-10	1973-05-15	C. Logan Kenneth	Process of bleaching woodpulp

1979
- 1979-03-13 ZA ZA791174A patent/ZA791174B/xx unknown
- 1979-03-15 NZ NZ189914A patent/NZ189914A/xx unknown
- 1979-03-16 PT PT69361A patent/PT69361B/pt unknown
- 1979-03-19 AR AR275865A patent/AR220185A1/es active
- 1979-03-21 CA CA323,926A patent/CA1111607A/en not_active Expired
- 1979-03-22 DE DE19792911334 patent/DE2911334A1/de not_active Withdrawn
- 1979-03-27 SE SE7902741A patent/SE7902741L/ unknown
- 1979-03-29 AU AU45574/79A patent/AU535076B2/en not_active Ceased
- 1979-03-29 ES ES479062A patent/ES479062A1/es not_active Expired
- 1979-03-29 CS CS792099A patent/CS231164B2/cs unknown
- 1979-03-29 FR FR7907973A patent/FR2421242A1/fr active Granted
- 1979-03-30 JP JP3718279A patent/JPS54134104A/ja active Pending
- 1979-03-30 PL PL1979214517A patent/PL116704B1/pl unknown
- 1979-03-30 AT AT0239479A patent/AT376249B/de not_active IP Right Cessation
- 1979-03-30 FI FI791065A patent/FI791065A7/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
ZA791174B (en)	1980-10-29
DE2911334A1 (de)	1979-10-18
PL116704B1 (en)	1981-06-30
CA1111607A (en)	1981-11-03
PT69361A (en)	1979-04-01
ATA239479A (de)	1984-03-15
PT69361B (en)	1986-11-13
CS231164B2 (en)	1984-10-15
ES479062A1 (es)	1979-07-01
FI791065A7 (fi)	1981-01-01
FR2421242B1 (cs)	1985-04-26
NZ189914A (en)	1981-07-13
JPS54134104A (en)	1979-10-18
PL214517A1 (cs)	1979-12-03
AR220185A1 (es)	1980-10-15
FR2421242A1 (fr)	1979-10-26
AU4557479A (en)	1979-10-04
AU535076B2 (en)	1984-03-01
AT376249B (de)	1984-10-25

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