二元酚,二羟酚;
The hydroxylation of phenol to produce dihydric phenol is a rapid and strongly exothermal reaction, the activity of the complex-oxide catalyst decreased rapidly.
苯酚直接羟化制备苯二酚为液固相的强放热快反应,催化剂的活性衰减很快。
The paper deals with selection of thermal isolation scheme, the project construction, checking and acceptance and effect testing in dihydric phenol project with significance for popularization.
介绍二元酚项目中保温方案的选择;保温工程的施工与验收;保温效果的测试与评价。具有推广意义。
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