介绍了天然气净化厂尾气中二氧化硫处理的特点与现状，从烟气中二氧化硫脱除常规技术和天然气净化厂脱硫新技术2个方面综述了脱硫技......

Objective:To identify the prevalence of Acanthamoeba in drinking water treatment plants during the course of the purific......