发明名称 |
Förfarande för framställning av syror och baser |
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. |
申请公布号 |
SE9302682(D0) |
申请公布日期 |
1993.08.19 |
申请号 |
SE19930002682 |
申请日期 |
1993.08.19 |
申请人 |
DAIO PAPER CORP;TOKUYAMA SODA KK |
发明人 |
HIROYUKI *ADACHI;FUMIO *HANADA |
分类号 |
B01D61/44;C02F1/469;D21C11/00;D21C11/06;D21C11/12 |
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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