The method of material flow analysis about circular economy in coal mining area

摘要

Coal plays an important role in economical development and social progress, how to use it efficiently and how to set up circular economy system and evaluate its efficiency is a topic of most concern. Material flow analysis is provided as a useful to in the field of circular economy in coal mining area. In this paper, circular economy development model in coal mining area is analyzed, based on this, the framework about coal flow in circular process of coal production and usage is put forward. The method of the evaluation about the circular economy in coal mining area is also given out.