SE466459B - Foerfarande och anordning foer klorering av cellulosamassa vid oevertryck - Google Patents

Foerfarande och anordning foer klorering av cellulosamassa vid oevertryck

Info

Publication number: SE466459B
Authority: SE; Sweden
Prior art keywords: mixer; chlorine gas; slurry; pressure; mpa
Prior art date: 1985-06-14

Application number

SE8602592A

Other languages

English (en)

Swedish (sv)

Other versions

SE8602592L (sv

SE8602592D0 (sv

Inventor

M I Sherman

J R Phillips

G Rowlandson

Original Assignee

Kamyr Inc

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.)

1985-06-14

Filing date

1986-06-10

Publication date

1992-02-17

1986-06-10 Application filed by Kamyr Inc filed Critical Kamyr Inc

1986-06-10 Publication of SE8602592D0 publication Critical patent/SE8602592D0/xx

1986-12-15 Publication of SE8602592L publication Critical patent/SE8602592L/

1992-02-17 Publication of SE466459B publication Critical patent/SE466459B/sv

Links

238000000034 method Methods 0.000 title claims abstract description 16
238000012512 characterization method Methods 0.000 title 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 31
239000011148 porous material Substances 0.000 claims abstract description 13
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 8
239000000460 chlorine Substances 0.000 claims abstract description 8
229910052801 chlorine Inorganic materials 0.000 claims abstract description 8
230000014759 maintenance of location Effects 0.000 claims abstract 5
239000002002 slurry Substances 0.000 claims description 19
239000000203 mixture Substances 0.000 claims description 4
239000000463 material Substances 0.000 claims description 3
230000001105 regulatory effect Effects 0.000 claims 3
238000001914 filtration Methods 0.000 claims 2
230000001276 controlling effect Effects 0.000 claims 1
239000002245 particle Substances 0.000 claims 1
230000000717 retained effect Effects 0.000 claims 1
229920001131 Pulp (paper) Polymers 0.000 abstract description 13
238000004061 bleaching Methods 0.000 abstract description 9
239000002184 metal Substances 0.000 abstract description 5
229910052751 metal Inorganic materials 0.000 abstract description 5
239000013055 pulp slurry Substances 0.000 abstract description 4
239000000919 ceramic Substances 0.000 abstract description 3
239000002023 wood Substances 0.000 abstract 3
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 14
239000004155 Chlorine dioxide Substances 0.000 description 7
235000019398 chlorine dioxide Nutrition 0.000 description 7
239000002657 fibrous material Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
239000000835 fiber Substances 0.000 description 3
238000002347 injection Methods 0.000 description 3
239000007924 injection Substances 0.000 description 3
229920002522 Wood fibre Polymers 0.000 description 2
239000011121 hardwood Substances 0.000 description 2
239000007788 liquid Substances 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
239000011122 softwood Substances 0.000 description 2
239000002025 wood fiber Substances 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
239000002894 chemical waste Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000012535 impurity Substances 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
230000007257 malfunction Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
238000012856 packing Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000005406 washing Methods 0.000 description 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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Apparatus Associated With Microorganisms And Enzymes (AREA)
Treating Waste Gases (AREA)
Treatment Of Sludge (AREA)
Separation Using Semi-Permeable Membranes (AREA)
External Artificial Organs (AREA)
Materials For Medical Uses (AREA)
Photoreceptors In Electrophotography (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

SE8602592A 1985-06-14 1986-06-10 Foerfarande och anordning foer klorering av cellulosamassa vid oevertryck SE466459B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US74467885A	1985-06-14	1985-06-14

Publications (3)

Publication Number	Publication Date
SE8602592D0 SE8602592D0 (sv)	1986-06-10
SE8602592L SE8602592L (sv)	1986-12-15
SE466459B true SE466459B (sv)	1992-02-17

Family

ID=24993592

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8602592A SE466459B (sv)	1985-06-14	1986-06-10	Foerfarande och anordning foer klorering av cellulosamassa vid oevertryck

Country Status (9)

Country	Link
EP (1)	EP0207062B1 (fr)
JP (1)	JPS61289192A (fr)
AT (1)	ATE48452T1 (fr)
BR (1)	BR8602738A (fr)
CA (1)	CA1276408C (fr)
DE (1)	DE3667310D1 (fr)
FI (1)	FI85728C (fr)
NO (1)	NO168123C (fr)
SE (1)	SE466459B (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US56833A (en) *		1866-07-31		Improvement in bleaching paper-stock
US1971241A (en) *	1933-04-01	1934-08-21	Pennsylvania Salt Mfg Co	Method of chlorination
DE1621684A1 (de) *	1967-10-04	1971-07-08	Bellmer Geb Kg Maschf	Maschinenkombination fuer die Leitungsstrecke in Zellstoffaufbereitungsanlagen
SE387671B (sv) *	1973-04-27	1976-09-13	Mo Och Domsjoe Ab	Anordning for blekning av kompakt, icke fluffat vetskehaltigt lignocellulosamaterial med gasformiga blekmedel, foretredesvis syrgas

1985
- 1985-10-25 CA CA000493830A patent/CA1276408C/fr not_active Expired - Lifetime
1986
- 1986-05-19 FI FI862082A patent/FI85728C/fi not_active IP Right Cessation
- 1986-05-28 NO NO862116A patent/NO168123C/no unknown
- 1986-06-04 JP JP61128270A patent/JPS61289192A/ja active Pending
- 1986-06-06 AT AT86890168T patent/ATE48452T1/de not_active IP Right Cessation
- 1986-06-06 EP EP86890168A patent/EP0207062B1/fr not_active Expired
- 1986-06-06 DE DE8686890168T patent/DE3667310D1/de not_active Expired - Lifetime
- 1986-06-10 SE SE8602592A patent/SE466459B/sv not_active IP Right Cessation
- 1986-06-11 BR BR8602738A patent/BR8602738A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0207062A1 (fr)	1986-12-30
ATE48452T1 (de)	1989-12-15
SE8602592L (sv)	1986-12-15
NO168123C (no)	1992-01-15
SE8602592D0 (sv)	1986-06-10
EP0207062B1 (fr)	1989-12-06
FI862082A0 (fi)	1986-05-19
FI85728C (fi)	1992-05-25
CA1276408C (fr)	1990-11-20
BR8602738A (pt)	1987-02-10
FI862082L (fi)	1986-12-15
JPS61289192A (ja)	1986-12-19
DE3667310D1 (de)	1990-01-11
FI85728B (fi)	1992-02-14
NO168123B (no)	1991-10-07
NO862116L (no)	1986-12-15

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Legal Events

Date

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Description

1995-01-31

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1997-03-03

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