Comprehensive treatments of waste gas from collapse crater of ground surface in Tongkeng mine

In order to solve the problem of air pollution and damage of natural ecological environment by waste gas come from collapse crater of ground surface, it is necessary to develop comprehensive treatments in Tong keng mine. Based on analysis of waste gas emission characteristics, chamber blasting in ground to collapse crater cover and waste gas absorption by using Alkali are selected for treatment after scheme comparison. The treatment makes the quenching of fire area effectively.