发明名称 |
METHOD FOR IMPROVED TURPENTINE RECOVERY FROM MODERN COOKING PLANTS |
摘要 |
A method for the preparation of pulp by means of alkaline cooking, in which method spent liquor is transferred to pressurized tanks, and at least one liquor is expanded corresponding to a temperature difference of 1 to 5 C. The generated steam is led to turpentine recovery. Thus, the removal of turpentine and gases dissolved in said liquor is effective, the amount of recovered turpentine increases, and pulp of better washability and higher quality is obtained.
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申请公布号 |
CA2392908(C) |
申请公布日期 |
2009.08.04 |
申请号 |
CA20002392908 |
申请日期 |
2000.12.20 |
申请人 |
METSO CHEMICAL PULPING OY |
发明人 |
UUSITALO, PAIVI;HAASLAHTI, HANNU;SVEDMAN, MIKAEL;VAISTOMAA, JUKKA |
分类号 |
D21C11/06;D21C11/00 |
主分类号 |
D21C11/06 |
代理机构 |
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