发明名称 |
METHOD OF PRODUCING ACIDS AND ALKALIS |
摘要 |
To reuse ashes that are left after burning components contained in a black liquor obtained by digesting wood chips in the step of producing kraft pulps. Acids and alkalis are produced by burning components contained in a black liquor obtained by digesting wood chips and by decomposing an aqueous solution of the thus obtained ashes through the electrodialysis by using a bipolar membrane and a cation-exchange membrane and/or an anion-exchange membrane.
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申请公布号 |
CA2104535(A1) |
申请公布日期 |
1994.02.22 |
申请号 |
CA19932104535 |
申请日期 |
1993.08.20 |
申请人 |
TOKUYAMA SODA KABUSHIKI KAISHA;DAIO PAPER CORPORATION |
发明人 |
ADACHI, HIROYUKI;HANADA, FUMIO |
分类号 |
B01D61/44;C02F1/469;D21C11/00;D21C11/06;D21C11/12;(IPC1-7):B09B3/00;F23G7/04;C25B13/08;D21C11/14 |
主分类号 |
B01D61/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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