PH13234A - Nitric acid pulping process - Google Patents
Nitric acid pulping processInfo
- Publication number
- PH13234A PH13234A PH13421A PH13421A PH13234A PH 13234 A PH13234 A PH 13234A PH 13421 A PH13421 A PH 13421A PH 13421 A PH13421 A PH 13421A PH 13234 A PH13234 A PH 13234A
- Authority
- PH
- Philippines
- Prior art keywords
- nitric acid
- pulping process
- acid pulping
- nitric
- pulping
- Prior art date
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13290871A | 1971-04-09 | 1971-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
PH13234A true PH13234A (en) | 1980-02-14 |
Family
ID=22456120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH13421A PH13234A (en) | 1971-04-09 | 1972-04-07 | Nitric acid pulping process |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5822597B1 (en) |
DE (1) | DE2215739C2 (en) |
FR (1) | FR2136259A5 (en) |
GB (1) | GB1366252A (en) |
PH (1) | PH13234A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2452145A1 (en) * | 2003-06-03 | 2004-12-03 | David Tarasenko | Method for producing pulp and lignin |
WO2007065241A1 (en) * | 2005-12-07 | 2007-06-14 | Kelly Anthony O'flynn | A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE681149C (en) * | 1936-04-24 | 1939-09-18 | I G Farbenindustrie Akt Ges | Process for the production of pulp |
US3461028A (en) * | 1968-02-01 | 1969-08-12 | Alscope Ltd | Process for making pulp by impregnating cellulosic materials with ammonium hydroxide and nitric acid |
-
1972
- 1972-03-30 DE DE19722215739 patent/DE2215739C2/en not_active Expired
- 1972-04-05 GB GB1578072A patent/GB1366252A/en not_active Expired
- 1972-04-07 FR FR7212285A patent/FR2136259A5/fr not_active Expired
- 1972-04-07 PH PH13421A patent/PH13234A/en unknown
- 1972-04-10 JP JP3526572A patent/JPS5822597B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5822597B1 (en) | 1983-05-10 |
DE2215739A1 (en) | 1972-10-26 |
FR2136259A5 (en) | 1972-12-22 |
DE2215739C2 (en) | 1985-05-15 |
GB1366252A (en) | 1974-09-11 |
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