发明名称 |
Process for producing graded coated articles |
摘要 |
<p>The invention is directed to a process for improving the separation of sodium bicarbonate brine from crude tall oil or of sulphate brine from soap oil in the recovery process of a pulp mill. In the neutralisation/acidulation of crude tall oil soap (6) or soap oil (9) with carbon dioxide (5) respectively sulphuric acid (11) a water solution (15) having an increased density is used.</p> |
申请公布号 |
EP1160348(A2) |
申请公布日期 |
2001.12.05 |
申请号 |
EP20010112406 |
申请日期 |
2001.05.21 |
申请人 |
PRAXAIR S.T. TECHNOLOGY, INC. |
发明人 |
PAYNE, WILLIAM A.;VICKREY, MICHAEL W.;STAVROS, ANTHONY J. |
分类号 |
B05D1/08;B05D3/00;C23C4/02;C23C4/12;(IPC1-7):C23C4/02 |
主分类号 |
B05D1/08 |
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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