Method for integrating sodium based sulfite and sulfate pulping processes
United States Patent 2974081
Inventors:
Biggs Jr., William A.
Robertson, Julius D.
Publication Date:
03/07/1961
Assignee:
SONOCO PRODUCTS CO
International Classes:
D21C11/00
US Patent References:
| 1795755 | Production of chemical pulp | | | |
| 1833313 | Treatment of residual liquors | | | |
| 1834676 | Process of producing pulp and treatment of residual liquors | | | |
| 1859888 | Process of regenerating spent alkaline liquor to fresh acid cooking liquor | | | |
| 1867593 | Process of chemical fiber liberation | | | |
| 2459570 | Method of refining sulfate turpentine | | | |
| 2714118 | Recovery of chemicals from black liquor | | | |
| 2744927 | Solvent extraction of black liquor | | | |