CA950609A - Oxidation and regeneration of pulping liquors - Google Patents

Oxidation and regeneration of pulping liquors

Info

Publication number
CA950609A
CA950609A CA108,616,A CA108616A CA950609A CA 950609 A CA950609 A CA 950609A CA 108616 A CA108616 A CA 108616A CA 950609 A CA950609 A CA 950609A
Authority
CA
Canada
Prior art keywords
regeneration
oxidation
pulping liquors
pulping
liquors
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA108,616,A
Other languages
English (en)
Other versions
CA108616S (en
Inventor
Wayne B. Gitchel
Louis A. Pradt
Clarence A. Hoffman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STWB Inc
Original Assignee
Sterling Drug 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.)
Filing date
Publication date
Application filed by Sterling Drug Inc filed Critical Sterling Drug Inc
Application granted granted Critical
Publication of CA950609A publication Critical patent/CA950609A/en
Expired legal-status Critical Current

Links

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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/14—Wet combustion ; Treatment of pulp liquors without previous evaporation, by oxidation of the liquors remaining at least partially in the liquid phase, e.g. by application or pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
CA108,616,A 1970-04-02 1971-03-24 Oxidation and regeneration of pulping liquors Expired CA950609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2511670A 1970-04-02 1970-04-02

Publications (1)

Publication Number Publication Date
CA950609A true CA950609A (en) 1974-07-09

Family

ID=21824133

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108,616,A Expired CA950609A (en) 1970-04-02 1971-03-24 Oxidation and regeneration of pulping liquors

Country Status (10)

Country Link
US (1) US3654070A (de)
JP (1) JPS5022602B1 (de)
CA (1) CA950609A (de)
DE (1) DE2114579B2 (de)
FI (1) FI54624C (de)
FR (1) FR2089095A5 (de)
GB (1) GB1307467A (de)
NO (1) NO130325B (de)
SE (1) SE363137B (de)
ZA (1) ZA711817B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182648A (en) * 1972-02-07 1980-01-08 Sterling Drug Inc. Oxygen pulping process
AU6415774A (en) * 1973-01-12 1975-07-03 Sterling Drug Inc Batch oxygen pulping
US4131508A (en) * 1973-03-12 1978-12-26 Kamyr Inc. Recovery system for oxygen bleaching of pulp
US4177105A (en) * 1973-05-22 1979-12-04 Kamyr, Incorporated Apparatus for delignifying and bleaching cellulose pulp
US4089737A (en) * 1974-02-18 1978-05-16 Toyo Pulp Company, Ltd. Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein
US3964962A (en) * 1974-02-25 1976-06-22 Ingersoll-Rand Company Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit
SE393138B (sv) * 1974-03-14 1977-05-02 Mo Och Domsjoe Ab Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat
US4058433A (en) * 1975-03-06 1977-11-15 Gulf States Paper Corporation Conversion of sulfur in blank liquor to eliminate odorous emissions and facilitate the collection of sulfate soaps
DE2514198A1 (de) * 1975-04-01 1976-10-14 Linde Ag Verfahren zur beseitigung von abfallstoffen
SU591539A1 (ru) * 1975-10-03 1978-02-05 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Установка дл обработки лигноцеллюлозного материала
CH649071A5 (it) * 1978-11-13 1985-04-30 Giuseppe Galassi Ossidazione ad umido di inquinanti mediante ossigeno liquido.
US4384959A (en) * 1980-12-29 1983-05-24 Sterling Drug Inc. Wet oxidation process utilizing dilution of oxygen
US4395339A (en) * 1982-04-01 1983-07-26 Sterling Drug Inc. Method of operating pure oxygen wet oxidation systems
US5582715A (en) * 1992-04-16 1996-12-10 Rpc Waste Management Services, Inc. Supercritical oxidation apparatus for treating water with side injection ports
US5770174A (en) * 1992-04-16 1998-06-23 Rpc Waste Management Services, Inc. Method for controlling reaction temperature
US5401361A (en) * 1992-08-19 1995-03-28 Kamyr, Inc. Completely coutercurrent cook continuous digester
US5620606A (en) * 1994-08-01 1997-04-15 Rpc Waste Management Services, Inc. Method and apparatus for reacting oxidizable matter with particles
US5551472A (en) * 1994-08-01 1996-09-03 Rpc Waste Management Services, Inc. Pressure reduction system and method
US5755974A (en) * 1994-08-01 1998-05-26 Rpc Waste Management Services, Inc. Method and apparatus for reacting oxidizable matter with a salt
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
DE19516151A1 (de) * 1995-05-03 1996-11-07 Sven Siegle Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
US6017460A (en) * 1996-06-07 2000-01-25 Chematur Engineering Ab Heating and reaction system and method using recycle reactor
US5783037A (en) * 1996-08-22 1998-07-21 Mg Industries System and method for operating a pulp mill
SE518803C2 (sv) 1999-09-03 2002-11-26 Chematur Eng Ab Metod och reaktionssystem med högt tryck och hög temperatur som är lämpat för superkritisk vattenoxidation
SE529006C2 (sv) * 2004-11-15 2007-04-03 Chematur Eng Ab Förfarande och system för överkritisk vattenoxidation av en ström som innehåller oxiderbart material
SE528840C2 (sv) * 2004-11-15 2007-02-27 Chematur Eng Ab Reaktor och förfarande för överkritisk vattenoxidation
JP2022038435A (ja) 2020-08-26 2022-03-10 ファインテック株式会社 脆性材料基板用のスクライビングホイール及びその製造方法

Also Published As

Publication number Publication date
NO130325B (de) 1974-08-12
FR2089095A5 (de) 1972-01-07
ZA711817B (en) 1972-01-26
GB1307467A (en) 1973-02-21
DE2114579B2 (de) 1978-12-21
JPS5022602B1 (de) 1975-08-01
FI54624B (fi) 1978-09-29
SE363137B (de) 1974-01-07
FI54624C (fi) 1979-01-10
DE2114579A1 (de) 1971-10-21
US3654070A (en) 1972-04-04

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