问题
问答题 简答题
采用轻苯高温加氢-精馏生产高纯度苯工艺时,为什么回收率可达到114%?
答案
参考答案:
因为甲苯、二甲苯等在进行高温加氢时发生脱烷基化反应生成部分苯,导致苯收率增加缘故。
采用轻苯高温加氢-精馏生产高纯度苯工艺时,为什么回收率可达到114%?
参考答案:
因为甲苯、二甲苯等在进行高温加氢时发生脱烷基化反应生成部分苯,导致苯收率增加缘故。
Look at the instructions(说明) on the bottle of the medicine and then choose the right answers. John is twelve years old. He had a bad cold and coughed day and night. He went to see a doctor. The doctor gave him some cough medicine.
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