结果考察工艺的启动挂膜性能以及硝化液回流比和进水负荷对脱氮效果的影响。
The influence of internal recycle ratio and influent loads on biological nitrogen removal was discussed.
通过刮膜蒸发器脱重和高精密精馏的方法对羰基化制备乙酸工艺副产物-重组分残液回收进行了实验。
Recovery of the residue liquid from the process for carbonylation of methanol to acetic acid was studied experimentally.
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