Also abandoned shaft and mined-out area repaired can be used for depositing waste slag from mine itself and other industrial waste to mitigate a contradiction between waste site and cultivation land.
修复利用废弃巷道和采空区，储存矿山自身产生的废渣和工业废渣，缓解废石场与耕地争地的矛盾。
2
By the use of the Deep-Shaft-Carbonisation also wet biomass and bio-waste can be transformed into coal with a carbon yield of almost 100%.
通过采用深竖井碳化技术，湿生物质和生物废料可以被转化成可以产出将近100% 碳的煤。
3
High temperature fume enters the tail shaft flue from the entrance of the cyclone separator through an expansion joint, and enters a waste heat boiler from the tail flue.