发明名称 PROCESS FOR THE TREATMENT OF AN AQUEOUS SOLUTION CONTAINING MAINLY NITRIC AND HYDROFLUORIC ACIDS
摘要 <p>The present invention concerns a process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acids. Said process includes the distillation of a concentrated aqueous solution of said acids to separate them. Said concentrated aqueous solution consists of the solution to be treated or is obtained from it.</p>
申请公布号 WO1991014655(A1) 申请公布日期 1991.10.03
申请号 FR1991000226 申请日期 1991.03.20
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