The treatmentofwastegas of tolual by bio-filter is a transfer process that is mainly controlled by gas-film.
生物滤池处理甲苯废气，是以气膜控制为主的传质控制过程。
2
The treatmentofwastegas with lead from the molten-lead pat has been a difficult problem. A Practical and economic treatment method is introduced in this paper.
熔铅锅产生的含铅废气的治理一直是没有得到解决的难题．本文介绍了一种切实可行、经济有效的治理措施。
3
This method can gain a better result on treatmentofwastegas of xylene with low concentration and big flow rate. The highest removal rate of xylene reaches at 87.4%.