1Research on 3GNZX300/230 double-cone pump-feed three-product dense medium cycloneQIAN Ai-junTest and Research1-52Analysis of energy consumption of XJM-(K) S60 flotation machineLI Hong-qiTest and Research6-93Experimental study on preparing of CWS dispersants with humic acid from peatRONG Ling-kun, BAI Chun-hua, XU Hong-wen, WU Peng-fei, MA Xiao-min, YIN Xiao-jianTest and Research10-13,184Experimental study on Rhodopseudomonas spheroides as coal microbial flocculantZHANG Dong-chen, YAN JiaTest and Research14-185Research on the influencing of heat treatment and coal tar on grindability and floatability of ligniteHUANG Ya-jun, ZHOU Rui, WU Ren-chao, WEI Hua, WANG Hai-feng, HE Ya-qunTest and Research19-226Experimental study of reagent regime on coal slime water treatment in Qianyingzi coal preparation plantSHI Xin-hong, ZHENG Ji-hong, LIU yin, XU Chu-yangTest and Research23-267Research on flotation parameters optimization of high ash content coal slime based on flotation columnYUE Yun-haiTest and Research27-30,348Experimental study of improving floatability of oxidized coalSHAN ChaoTest and Research31-349Process renovation and optimization of production water in Tianzhuang coal preparation plantLI Mao-gangTechnology and Experiences35-3710The practice of upgrading, reformation and optimizing the product structure in Jianxin colliery coal preparation plantLI Ji-chang, QIAN Lei-dong, WEN Yu, LIU KeTechnology and Experiences38-4111Practice of reducing medium consumption in north part of Huaibei coal preparation plantSONG Meng-feiTechnology and Experiences42-44,4912Research and practice of way of dewatering of flotation clean coal in Yongcheng Coal & Electric GroupZHANG Zhen-hong, GUO Ya-jun, YANG MingTechnology and Experiences45-4913Improvement on XGR-3000 teeter bed separator in XinYang coal preparation plantLIANG Jin-yang, YANG Guang-wu, LI PengTechnology and Experiences50-5214Analysis of dense medium recovery process and improvement measures in Ertang coal preparation plantWU Hai-long, ZHU Han-liangTechnology and Experiences53-5615Process renovation of coal slurry system in Yongdingzhuang coal preparation plantTONG XiaoTechnology and Experiences57-5916Discusstion on evaluation standard of flotation technology competitionJI Ji-xing, ZHAO Jian-qun, LIU Chun-long, JING Lei-gang, XU Shi-huiissus discussion60-6217Research on raw coal pre-discharging of gangue in Sitong coal preparation plantZHANG Yin-gangissus discussion63-6618Research on equipping principle of brake of belt conveyor in coal preparation plantLI Zhang-chengissus discussion67-68,7619Application of NGAM-2008 natural gamma ray ash monitor in coal preparation plant of Dongtan coal mineGe Xue-hai, Bai Yun-fei, Chen Peng, Zhang Li-gong, Chen RongAutomation of Coal Preparation69-7220Application of low-voltage variable frequency speed governor and its circuit design in coal preparation plantMA Qing-yinAutomation of Coal Preparation73-76 