FI773860A - Koknings- och blekningsfoerfarande foer cellulosa - Google Patents

Koknings- och blekningsfoerfarande foer cellulosa

Info

Publication number: FI773860A
Authority: FI; Finland
Prior art keywords: koknings; blekningsfoerfarande; cellulosa; foer; och
Prior art date: 1976-12-22

Application number

FI773860A

Other languages

English (en)

Other versions

FI67243C (fi

FI67243B (fi

Inventor

Willard A Fuller

Original Assignee

Hooker Chemicals Plastics Corp

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.)

1976-12-22

Filing date

1977-12-20

Publication date

1978-06-23

1977-12-20 Application filed by Hooker Chemicals Plastics Corp filed Critical Hooker Chemicals Plastics Corp

1978-06-23 Publication of FI773860A publication Critical patent/FI773860A/fi

1984-10-31 Application granted granted Critical

1984-10-31 Publication of FI67243B publication Critical patent/FI67243B/fi

1985-02-11 Publication of FI67243C publication Critical patent/FI67243C/fi

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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
- C01B11/025—Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/07—Preparation from the hydroxides
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
General Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Materials Engineering (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Materials For Medical Uses (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

FI773860A 1976-12-22 1977-12-20 Koknings- och blekningsfoerfarande foer cellulosa FI67243C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US75365676A	1976-12-22	1976-12-22
US75365676		1976-12-22

Publications (3)

Publication Number	Publication Date
FI773860A true FI773860A (fi)	1978-06-23
FI67243B FI67243B (fi)	1984-10-31
FI67243C FI67243C (fi)	1985-02-11

Family

ID=25031593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI773860A FI67243C (fi)	1976-12-22	1977-12-20	Koknings- och blekningsfoerfarande foer cellulosa

Country Status (12)

Country	Link
JP (1)	JPS5381703A (fi)
AU (1)	AU510914B2 (fi)
BR (1)	BR7708509A (fi)
DE (1)	DE2757474C3 (fi)
FI (1)	FI67243C (fi)
FR (1)	FR2396118A1 (fi)
MX (1)	MX148348A (fi)
NO (1)	NO774357L (fi)
NZ (1)	NZ185958A (fi)
PT (1)	PT67443B (fi)
SE (1)	SE435304B (fi)
SU (1)	SU934912A3 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE8204266L (sv) *	1982-07-12	1984-01-13	Korsnaes Marma Ab	Forfarande for teckande av kemikalieforlusterna vid massaframstellning
FI77064C (fi) *	1985-04-29	1989-01-10	Tampella Oy Ab	Foerfarande foer kokning och blekning av cellulosa.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1074111A (en) *	1964-04-02	1967-06-28	Electric Reduction Co	Processes useful in the manufacture of bleached pulp
JPS503801A (fi) *	1973-05-21	1975-01-16
JPS5013361A (fi) *	1973-06-07	1975-02-12

1977
- 1977-12-13 NZ NZ185958A patent/NZ185958A/xx unknown
- 1977-12-16 MX MX171803A patent/MX148348A/es unknown
- 1977-12-16 AU AU31669/77A patent/AU510914B2/en not_active Expired
- 1977-12-19 NO NO774357A patent/NO774357L/no unknown
- 1977-12-20 FI FI773860A patent/FI67243C/fi not_active IP Right Cessation
- 1977-12-20 JP JP15426577A patent/JPS5381703A/ja active Pending
- 1977-12-21 FR FR7738611A patent/FR2396118A1/fr active Granted
- 1977-12-21 BR BR7708509A patent/BR7708509A/pt unknown
- 1977-12-21 SE SE7714601A patent/SE435304B/sv unknown
- 1977-12-22 PT PT67443A patent/PT67443B/pt unknown
- 1977-12-22 DE DE2757474A patent/DE2757474C3/de not_active Expired
- 1977-12-22 SU SU772558158A patent/SU934912A3/ru active

Also Published As

Publication number	Publication date
PT67443A (en)	1978-01-01
JPS5381703A (en)	1978-07-19
AU510914B2 (en)	1980-07-17
FI67243C (fi)	1985-02-11
DE2757474B2 (de)	1979-09-13
FR2396118B1 (fi)	1983-01-14
FR2396118A1 (fr)	1979-01-26
PT67443B (en)	1979-05-23
MX148348A (es)	1983-04-14
FI67243B (fi)	1984-10-31
DE2757474C3 (de)	1980-06-19
AU3166977A (en)	1979-06-21
SU934912A3 (ru)	1982-06-07
DE2757474A1 (de)	1978-06-29
SE435304B (sv)	1984-09-17
SE7714601L (sv)	1978-06-23
NO774357L (no)	1978-06-23
BR7708509A (pt)	1978-09-05
NZ185958A (en)	1979-11-01

Publication	Publication Date	Title
FI770006A (fi)	1977-10-22	Absorberande underklaedsskydd
DK413877A (da)	1978-03-21	Boreslam
FI65846B (fi)	1984-03-30	Faestpropp
FI65491B (fi)	1984-01-31	Underskottsmaetare
FI772583A (fi)	1978-03-31	Legeringsbeklaedd ferrometallsubstrat
FI763569A (fi)	1978-06-11	Roentgenstraolningskaellans roerelsemekanism foer panoramaroentgenfotografering
DD131101A1 (de)	1978-05-31	Maximalleistungsueberwachungsgeraet
FI762982A (fi)	1978-04-20	Rullsikt
FI772891A (fi)	1978-04-05	Gaspanelminne
SE7713709L (sv)	1978-07-01	Anordni
DK57777A (da)	1977-08-12	Veskeapplikator
AT340083B (de)	1977-11-25	Anfahrstrang
SE430038B (sv)	1983-10-17	Heftapparat
FI54018B (fi)	1978-05-31	Belastningskompenserad hydrostatisk effekttransmissionsanordning
BE846205A (fr)	1977-03-15	M-alkyldiphenylamines
FI772815A (fi)	1978-03-31	Videofoerstaerkare
SE7704729L (sv)	1977-10-27	Tipplastfordon
DK112177A (da)	1977-09-17	Ekstruderingsform
FI772925A (fi)	1978-04-07	Kopolymerlatex
FI773860A (fi)	1978-06-23	Koknings- och blekningsfoerfarande foer cellulosa
SE430850B (sv)	1983-12-19	Brandsleckningsmonitor
FI772415A (fi)	1978-02-22	Elackumulator
BE856722A (fr)	1978-01-12	Aspidospermidines
DD131276A5 (de)	1978-06-14	Waelzschraubengetriebe
FI772782A (fi)	1978-03-22	Samtalsavgiftsraeknare

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: KEMANORD AB