1Application of coal flotation reagents in China-current status and developing trendZUO Kanghui, ZUO Kangmiao, LI Gang, LI Xiuqin, HAN Xuoverview1-52Advances in theoretical study on treatment of coal slime water of coal preparation plantDENG Xiaowei, CHENG Ganoverview6-9,153Experimental study of the effect of sodium silicate on separation of montmorillonite in flotation of coalLI Dahu, WANG Jianzhong, RONG Lingkun, BAI ChunhuaExperiment & Research10-154Study of desulfurization of high-sulfur anthracite through washing after crushingZHANG XiuwenExperiment & Research16-185Study on ash reduction of low-rank fine coal using reverse flotation process wich starch as depressantAN Quan, QU Jinzhou, ZHOU Anning, ZHAO Qiang, GU LinExperiment & Research19-22,286Simulation of the flow field produced by the impeller with varying parameters and study on structural optimization of impeller of the XJM-S45 flotation cellLIU ChunyanExperiment & Research23-287Study of raw coal washability curveGAO JunmeiExperiment & Research29-32,388Experimental study on preparation of ultralow-ash coal using oil agglomeration methodWANG Xiong, ZHAO Junmei, RONG Lingkun, JIA Fengjun, WANG Jianzhong, LI DahuExperiment & Research33-389Exploratory and experimental study on upgrading of coal-series Kaolin through decarbonization using pneumatic separation methodSONG Junchao, HU Bingsheng, JIA Jinxin, ZHANG Hongchao, YUE ShisongExperiment & Research39-4210Experimental study on sedimentation and filter aid of high-muddy coal slurry of coal preparation plantYU Tao, LI Zhoufeng, FANG Jie, WANG JinExperiment & Research43-47,5111Study on flotability of the slime of Binhu Coal Preparation PlantXU Bin, XING Yanhui, YANG Haizhen, YANG Fei, PAN LiExperiment & Research48-5112Development and application of the high-temperature fluidized-bed low-rank coal drying technologyLIU WenxinEquipment & Technology52-55,6113Exploration and study of a new type of feed inlet structure of heavy medium cycloneLIU JinlongEquipment & Technology56-6114Application of the large-size cyclo-microbubble flotation column at Binhu Coal Preparation PlantDENG Tao, WANG Sidong, JIN Jiacheng, XU Bin, SUN Gang, MAO YuqiangEquipment & Technology62-6615Application of the DF-5756A online radiation-free ash monitor at Zhenchengdi Mine Coal Preparation PlantDENG LifenEquipment & Technology67-7016Improvement and optimization of the heavy medium separation system of Taiyuan Coal Preparation PlantNIU YongOperation & Practice71-73,7717Application of the flotation tailings high-efficiency sizing technology at Xinjulong Coal Preparation PlantLIU Dewu, WAN Guangxian, WANG FengqiOperation & Practice74-7718The measures adopted by Daoqing Coal Preparation Co.Ltd.for reducing clean coal moisture and the effect obtainedSUN Ziqi, ZHANG JinqingOperation & Practice78-80,8419Application of the jigging machine for rewashing coal refuse at No.5 Mine Washery of Yangquan Coal GroupJIANG YanOperation & Practice81-8420Preactical study of the operation of slime press filtration at Majiatian Mine Coal Preparation PlantZHANG YanfeiOperation & Practice85-87 