Emission-reduction exists potentially in cement industry,which is the key industry for carbon dioxi-de emission.Carbonate decomposition,fuel combustion and electric power consumption,etc.which discharge carbon dioxide in cement industry,are introduced.A series of methods for decreasing carbon dioxide emission in cement industry,such as improving energy utilization,using alternative raw materials and fuels,developing new low carbone-mission binding materials,etc.are expounded.Finally,several technologies for...