CA971312A - Hydrogen sulfide pretreatment in alkaline pulping processes - Google Patents

Hydrogen sulfide pretreatment in alkaline pulping processes

Info

Publication number
CA971312A
CA971312A CA149,799A CA149799A CA971312A CA 971312 A CA971312 A CA 971312A CA 149799 A CA149799 A CA 149799A CA 971312 A CA971312 A CA 971312A
Authority
CA
Canada
Prior art keywords
hydrogen sulfide
pulping processes
alkaline pulping
pretreatment
sulfide pretreatment
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
CA149,799A
Other versions
CA149799S (en
Inventor
Garrick E. Styan
Alan R. Procter
Magnus G. Vinje
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.)
MacMillan Bloedel Ltd
Original Assignee
MacMillan Bloedel 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.)
Filing date
Publication date
Application filed by MacMillan Bloedel Ltd filed Critical MacMillan Bloedel Ltd
Priority to US00362009A priority Critical patent/US3841962A/en
Application granted granted Critical
Publication of CA971312A publication Critical patent/CA971312A/en
Expired legal-status Critical Current

Links

CA149,799A 1972-07-31 1972-08-16 Hydrogen sulfide pretreatment in alkaline pulping processes Expired CA971312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US00362009A US3841962A (en) 1972-07-31 1973-05-21 Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27685372A 1972-07-31 1972-07-31

Publications (1)

Publication Number Publication Date
CA971312A true CA971312A (en) 1975-07-22

Family

ID=23058340

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,799A Expired CA971312A (en) 1972-07-31 1972-08-16 Hydrogen sulfide pretreatment in alkaline pulping processes

Country Status (3)

Country Link
BR (1) BR7305787D0 (en)
CA (1) CA971312A (en)
ZA (1) ZA734702B (en)

Also Published As

Publication number Publication date
BR7305787D0 (en) 1974-07-18
ZA734702B (en) 1974-06-26

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