Research Progress of Modified Coal Gangue for Environmental Purification
Coal gangue is an industrial solid waste,which will pollute the environment and cause harm to people and organisms if it is not treated after being discharged.At the same time,coal gangue is an excellent resource and has a good application prospect.This paper introduces the modification method and principle of adsorbent prepared from coal gangue,the research progress of modified coal gangue in various wastewater treatment and CO2 capture,points out the existing problems in the current research of coal gangue modification,and puts forward suggestions for its wide application..