1Study on the influence of coal circuler economy on CO2 emission reductionSHENG Tuan-xiu, BAI Hong-feng, GUO Jian-wei1-32Application of pneumatic flotation machine in Vietnam coal preparation industryGUO Zhi-qiang, GUO Niu-xi, LI Zhe-xin, BUI Shi-dien4-6,123Design of optimized control platform for on-line reagent addition to slime waterSHI Hong-xia, DENG Jian-jun7-94Improvement of coal washing system in Huajiahu coal preparation plantYAO Xiang-zheng10-125Study on washing and dressing of thermal coalYANG Wen-sheng13-156Design and reconstruction of coal slurry treatment system in Quandian coal preparation plantLIU Han-gang, ZHAO Zheng-jun16-187Study on technical improvement of fine coal dehydration systemZHANG Jing-bo, WANG Qiang-qiang19-20,238Study on quantity and quality balance control in coal preparation plantDU Xin-li21-239Technical modification of flotation system in Xinjulong coal preparation plantYU Feng-qin, GUO Li-jie24-2510Study on solvents for direct coal liquefactionZHANG Xiao-jing26-2911Study on the gaseous products during pyrolysis of Shenmu raw coal and its maceralsWANG Li-bin, SUN Hui-qing30-3312Preparation of activated carbon and H2 by KOH catalytic-steam activation Shenfu coalYANG Xiao-xia, ZHOU An-ning34-3713Study on the nitrogen compounds in liquefaction oilGU Xiao-hui, HUANG Peng, LI Wen-bo, AI Jun38-40,6614Development of coal basis methanol in ChinaLI Ming41-42,3315Separation and characterization of low temperature coal tar asphaltene and resinPEI Xian-feng43-46,5016Analysis on gas products of coal and sawdust coliquefactionZHANG Sheng-Ju47-5017Analysis on the reason of boil steam rate decrease of 220 t/h coal water slurry boilerCHEN Nuan-wen, LIU Xue-gui51-5318Development and application of low volatile pulverized coal combustion techniqueZHOU Jian-ming54-57,8119Experimental study on characteristic of boiler thermal efficiency of 65 t/h biomass circulating fluidized bedLI Cheng-xi, WANG Huan-xin, CHEN Guo-yan58-61,320Development and popularization of efficient pulverized coal fired industrial boiler technologyFENG Xian-he62-66