CA971312A - Hydrogen sulfide pretreatment in alkaline pulping processes - Google Patents
Hydrogen sulfide pretreatment in alkaline pulping processesInfo
- 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
Links
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) |
-
1972
- 1972-08-16 CA CA149,799A patent/CA971312A/en not_active Expired
-
1973
- 1973-07-11 ZA ZA734702A patent/ZA734702B/en unknown
- 1973-07-30 BR BR578773A patent/BR7305787D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR7305787D0 (en) | 1974-07-18 |
ZA734702B (en) | 1974-06-26 |
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