Ecological environment status and development trend of governance technology of coal mining subsidence area in China

Abstract

In view of the ecological environment destruction status in coal mining subsidence area of China, the different ecological environment problems of open-pit mining area and well mining area are taken as the breakthrough point, the emphases and difficulties of ecological environment restoration in different regions and different types of mining subsidence areas are proposed. Then combined with engineering practice, the application status, advantages and disadvantages of physical remediation, chemical remediation, bioremediation and combined remediation technology in China were compared and analyzed, it is concluded that combined remediation technology will become the main development trend of ecological remediation technology in mining areas because of its benefit to induce synergistic effect and strengthen the ecological restoration effect. Based on the research status of ecological environment control technology in mining subsidence area, the main development direction of ecological restoration theory and technology in mining area is proposed, it includes monitoring and diagnosis technology of ecological environmental damage caused by mining, treatment technology and standard system of mining subsidence land, pollution control of gangue hill and comprehensive utilization technology of gangue, land reclamation and ecological restoration technology of open-pit mine, etc.

Keywords

• mining subsidence area
• ecological and environmental governance
• current situation and countermeasures
• development tendency
• policy suggestion