WEEKLY Growth of China s import coking coal prices slows
During the same period the growth in prices of Mongolian coking coal also slowed due to subdued trading activities As of April 26 the price of Mongolian 5# raw coal ash 18% VM % sulfur % GRI 80 85 inched up by Yuan 10/t on week to Yuan 1 360/t including VAT slowing clearly from the previous week s Yuan 105/t increase on ex
Mineral changes and trace element releases during extraction of alumina
Thermal power generation is the main area of coal utilization in China and coal fly ash CFA which is the principal by product in coal fired power plants has become the most abundant anthropogenic solid waste Yao et al 2014 Saikia et al 2015 Generation of CFA in China is still increasing per annum by 2015 Yao et al 2015 and a large proportion of the