PROCESS FOR THE SIMULTANEOUS DEALKALIZATION AND DESULPHURIZATION OF PHENOLS
摘要
<p>Crude phenol and also individual phenol fractions from tars or the hydrogenation of coal are purified from contaminating organic bases and sulfur compounds by treating the phenols with phthalic acid anhydride and optionally a quinone and distillation.</p>
申请公布号
GR900300086(T1)
申请公布日期
1991.07.31
申请号
GR19900300086T
申请日期
1991.07.31
申请人
RUTGERSWERKE AKTIENGESELLSCHAFT
发明人
TALBIERSKY, JORG, DR.;WEFRINGHAUS, BERNHARD;STOLZENBERG, KONRAD, DR.;BERGINS, WOLFGANG