NO129966B - - Google Patents

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Info

Publication number: NO129966B
Authority: NO; Norway
Prior art keywords: pressure; reactor; coolant; space; pressurized water
Prior art date: 1967-11-10

Application number

NO04444/68A

Other languages

English (en)

Norwegian (no)

Inventor

H Rye

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.)

1967-11-10

Filing date

1968-11-08

Publication date

1974-06-17

1968-11-08 Application filed by Sunds Ab filed Critical Sunds Ab

1974-06-17 Publication of NO129966B publication Critical patent/NO129966B/no

Links

239000002826 coolant Substances 0.000 claims description 33
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
238000005485 electric heating Methods 0.000 claims description 3
238000002347 injection Methods 0.000 claims description 3
239000007924 injection Substances 0.000 claims description 3
238000000034 method Methods 0.000 claims description 2
238000005192 partition Methods 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims 1
238000010438 heat treatment Methods 0.000 description 7
XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 6
239000000446 fuel Substances 0.000 description 4
239000007789 gas Substances 0.000 description 4
239000003507 refrigerant Substances 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000000498 cooling water Substances 0.000 description 1
239000011810 insulating material Substances 0.000 description 1
238000009413 insulation Methods 0.000 description 1
239000007788 liquid Substances 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
- 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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Structure Of Emergency Protection For Nuclear Reactors (AREA)

NO04444/68A 1967-11-10 1968-11-08 NO129966B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE15463/67A SE333299B (sv)	1967-11-10	1967-11-10	Foerfarande vid och anordning foer blekning av foeretraedesvis cellulosamassa med gasformigt blekmedel

Publications (1)

Publication Number	Publication Date
NO129966B true NO129966B (de)	1974-06-17

Family

ID=20300683

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO04444/68A NO129966B (de)	1967-11-10	1968-11-08

Country Status (9)

Country	Link
US (2)	US3693380A (de)
AT (1)	AT300546B (de)
DE (1)	DE1807900A1 (de)
FI (1)	FI45571C (de)
FR (1)	FR1590979A (de)
GB (1)	GB1246512A (de)
NO (1)	NO129966B (de)
SE (1)	SE333299B (de)
SU (1)	SU367616A3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2135217C3 (de) *	1970-07-24	1974-10-31	Sunds Ab, Sundsvall (Schweden)	Verfahren und Vorrichtung zum Bleichen von Fasermaterial, insbesondere von Zellstoffpulpe
US4004967A (en) *	1972-06-22	1977-01-25	Billeruds Aktiebolag	Bleaching cellulose pulp with oxygen in the presence of formaldehyde
SE391544C (sv) *	1974-12-10	1985-10-28	Billeruds Ab	Sett for forcerad hartsmognad hos vedflis
US4172006A (en) *	1976-08-26	1979-10-23	Weyerhaeuser Company	Method of delignifying wood chips with oxygen by adding cooking liquor under pressure
SE422818B (sv) *	1978-03-31	1982-03-29	Modo Chemetrics Ab	Forfarande for foredling av allulosamassa genom blekning eller extrahering
US4232416A (en) *	1979-04-13	1980-11-11	Morton Machine Works, Incorporated	Process for wetting fiber
US6126781A (en)	1991-08-01	2000-10-03	Union Camp Patent Holding, Inc.	Process for conditioning ozone gas recycle stream in ozone pulp bleaching
CA2078276C (en) *	1992-09-15	2004-05-25	Derek Hornsey	Recovery of oxygen-rich gas from ozone bleaching processes
WO1997036042A1 (en) *	1996-03-26	1997-10-02	Sunds Defibrator Industries Ab	Oxygen delignification of pulp in two stages

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2147618A (en) *	1936-04-01	1939-02-14	West Virginia Pulp & Paper Com	Method of bleaching pulp
US2706390A (en) *	1952-10-18	1955-04-19	Kamyr Ab	Bleaching plant
US2990710A (en) *	1958-10-13	1961-07-04	Improved Machinery Inc	Pulp bleaching apparatus
US3074842A (en) *	1959-07-24	1963-01-22	Dorr Oliver Inc	Treatment of unbleached cellulose pulps
US3313678A (en) *	1962-02-14	1967-04-11	Svenska Cellulose Aktiebolaget	Bleaching of cellulose pulp in towers in completely filled and closed system

1967
- 1967-11-10 SE SE15463/67A patent/SE333299B/xx unknown
1968
- 1968-11-05 SU SU1285661A patent/SU367616A3/ru active
- 1968-11-08 NO NO04444/68A patent/NO129966B/no unknown
- 1968-11-08 FI FI683201A patent/FI45571C/fi active
- 1968-11-08 DE DE19681807900 patent/DE1807900A1/de not_active Withdrawn
- 1968-11-08 GB GB53053/68A patent/GB1246512A/en not_active Expired
- 1968-11-08 AT AT1089568A patent/AT300546B/de not_active IP Right Cessation
- 1968-11-08 FR FR1590979D patent/FR1590979A/fr not_active Expired
1970
- 1970-12-17 US US99309A patent/US3693380A/en not_active Expired - Lifetime
1971
- 1971-04-01 US US130504A patent/US3668063A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
SU367616A3 (de)	1973-01-23
US3668063A (en)	1972-06-06
FR1590979A (de)	1970-04-20
FI45571B (de)	1972-04-04
AT300546B (de)	1972-07-25
US3693380A (en)	1972-09-26
SE333299B (sv)	1971-03-08
DE1807900A1 (de)	1969-12-11
FI45571C (fi)	1972-07-10
GB1246512A (en)	1971-09-15

Publication	Publication Date	Title
US3151034A (en)	1964-09-29	Consolidated nuclear steam generator arrangement
IT8267412A1 (it)	1983-09-30	Impianto di reattore nucleare
US3383285A (en)	1968-05-14	Liquid reflector control for nuclear reactors
US3008889A (en)	1961-11-14	Control systems
US3261755A (en)	1966-07-19	Nuclear reactor control
US3357892A (en)	1967-12-12	Gas cooled nuclear reactor
GB792972A (en)	1958-04-09	Control of atomic power reactors
US3251746A (en)	1966-05-17	Nuclear reactor control means
ES279687A1 (es)	1963-04-16	Procedimiento para el ensayo de fugas en elementos de combustible de reactores nucleares, rellenos de helio
ES254698A1 (es)	1960-05-01	Perfeccionamientos introducidos en los reactores nucleares de vapor recalentado, moderados por liquido
US3099616A (en)	1963-07-30	Steam cooled reactor and fuel channel
US3366548A (en)	1968-01-30	Boiling water nuclear reactor
US3109401A (en)	1963-11-05	Closed cycle torpedo power plant
US3205145A (en)	1965-09-07	Nuclear reactor
FR2312092B1 (de)	1981-01-09
US3149046A (en)	1964-09-15	Nuclear steam generator for a thermoelectric power plant
JPH0426079B2 (de)	1992-05-06
US3287229A (en)	1966-11-22	Steam generating plant
US3012957A (en)	1961-12-12	Power production system
US3139069A (en)	1964-06-30	Evaporating apparatus
JPS5845401A (ja)	1983-03-16	ナトリウム−水型蒸気発生器の改良
US3132999A (en)	1964-05-12	Nuclear reactor
US2956553A (en)	1960-10-18	Gas sealing arrangement for pressurized liquid systems
JPH0147681B2 (de)	1989-10-16
US3165449A (en)	1965-01-12	Steam cooled nuclear reactor