NZ189914A - Bleaching cellulose fibres using serial addition of chlorine dioxide and chlorine - Google Patents

Bleaching cellulose fibres using serial addition of chlorine dioxide and chlorine

Info

Publication number: NZ189914A
Authority: NZ; New Zealand
Prior art keywords: chlorine; cellulose fibres; serial addition; bleaching cellulose; chlorine dioxide
Prior art date: 1978-03-30

Application number

NZ189914A

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

1979-03-15

Publication date

1981-07-13

1979-03-15 Application filed by Erco Ind Ltd filed Critical Erco Ind Ltd

1981-07-13 Publication of NZ189914A publication Critical patent/NZ189914A/en

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)

NZ189914A 1978-03-30 1979-03-15 Bleaching cellulose fibres using serial addition of chlorine dioxide and chlorine NZ189914A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NZ189914A true NZ189914A (en)	1981-07-13

Family

ID=10004518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NZ189914A NZ189914A (en)	1978-03-30	1979-03-15	Bleaching cellulose fibres using serial addition of chlorine dioxide and chlorine

Country Status (15)

Country	Link
JP (1)	JPS54134104A (en)
AR (1)	AR220185A1 (en)
AT (1)	AT376249B (en)
AU (1)	AU535076B2 (en)
CA (1)	CA1111607A (en)
CS (1)	CS231164B2 (en)
DE (1)	DE2911334A1 (en)
ES (1)	ES479062A1 (en)
FI (1)	FI791065A (en)
FR (1)	FR2421242A1 (en)
NZ (1)	NZ189914A (en)
PL (1)	PL116704B1 (en)
PT (1)	PT69361B (en)
SE (1)	SE7902741L (en)
ZA (1)	ZA791174B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4325783A (en)	1978-03-30	1982-04-20	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
US4409066A (en) *	1978-03-30	1983-10-11	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
CA1120660A (en) *	1979-04-16	1982-03-30	Douglas W. Reeve	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/en unknown
- 1979-03-15 NZ NZ189914A patent/NZ189914A/en unknown
- 1979-03-16 PT PT69361A patent/PT69361B/en unknown
- 1979-03-19 AR AR275865A patent/AR220185A1/en active
- 1979-03-21 CA CA323,926A patent/CA1111607A/en not_active Expired
- 1979-03-22 DE DE19792911334 patent/DE2911334A1/en not_active Withdrawn
- 1979-03-27 SE SE7902741A patent/SE7902741L/en unknown
- 1979-03-29 CS CS792099A patent/CS231164B2/en unknown
- 1979-03-29 AU AU45574/79A patent/AU535076B2/en not_active Ceased
- 1979-03-29 FR FR7907973A patent/FR2421242A1/en active Granted
- 1979-03-29 ES ES479062A patent/ES479062A1/en not_active Expired
- 1979-03-30 AT AT0239479A patent/AT376249B/en not_active IP Right Cessation
- 1979-03-30 FI FI791065A patent/FI791065A/en not_active Application Discontinuation
- 1979-03-30 JP JP3718279A patent/JPS54134104A/en active Pending
- 1979-03-30 PL PL1979214517A patent/PL116704B1/en unknown

Also Published As

Publication number	Publication date
AR220185A1 (en)	1980-10-15
CA1111607A (en)	1981-11-03
ATA239479A (en)	1984-03-15
JPS54134104A (en)	1979-10-18
CS231164B2 (en)	1984-10-15
PT69361B (en)	1986-11-13
AT376249B (en)	1984-10-25
FI791065A (en)	1979-10-01
AU4557479A (en)	1979-10-04
ZA791174B (en)	1980-10-29
ES479062A1 (en)	1979-07-01
AU535076B2 (en)	1984-03-01
PL214517A1 (en)	1979-12-03
PL116704B1 (en)	1981-06-30
FR2421242B1 (en)	1985-04-26
SE7902741L (en)	1979-10-01
FR2421242A1 (en)	1979-10-26
PT69361A (en)	1979-04-01
DE2911334A1 (en)	1979-10-18

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