Хятад уул уурхайн үйлдвэр ба ханган нийлүүлэгчид |Хайбар
Coal washing methods are divided into wet type and dry type processes. The coal-washing wastewater is the effluent discharged in the wet type coal washing process. During this process, water consumption required by each ton of coal ranges from 2m3 to 8m3. The wastewater produced during this proce...