针对已建污水处理厂的恶臭气体污染情况,对生化池、细格栅机和沉砂池进行加盖密闭后,选用生物滤池处理工艺对产生的恶臭气体进行处......

With the rapid development of urbanization,the pollution problem of rivers in cities and towns appears,which seriously a......

In this paper,the bi-functional catalyst system composed of molecular sieve（MCM-41） immobilized oligomerization catalyst（C2......