1The necessity of establishing the safety production standardization system for coal washing enterprisesDONG Yongsheng, CHEN Weigao, HOU Dianping, WU XiaohuaOverview1-42The strategy of the development of sizing-crushing technology and equipment under the strategic goals of peaking carbon emissions and achieving carbon neutralityLI Peng, ZHANG Mingyuan, CHEN Tong, DING Yong, CHEN HongOverview5-83Shanxi Coking Coal Group's thoughts on the way to implement the clean coal strategy under the new situationLI Xia, GAO Jianchuan, CHEN Biao, XING ChunfangOverview9-134Analysis of the applicability of the perfect index for evaluation of flotation performanceGENG Shaowei, FU Dongxu, LI Haitao, YUE Lirong, ZHANG XiaotaoOverview14-195Study on concerted action of emulsified agent and microbubble for enhancement of fine coal flotation effectGAO Ruidong, DONG Xianshu, SUN Yujin, FAN Yuping, WANG MingxingExperiment & Research20-256Study and application of the wear-resistant armoring technology for protection of belt conveyorREN ZichengExperiment & Research26-347Influence of size consist of magnetite powder on characteristics of heavy-medium suspensionLI Jinyan, ZHANG LiqiangExperiment & Research35-398Study of the law governing the distribution of heterogeneous coal slime in flotation machineLI Chao, WANG Po, ZHOU Wei, ZHANG YongExperiment & Research40-459Practice of coal product quality management under the impact brought on by occurrence of natural cokeSUN Yousen, ZHANG Zhengfeng, LI Gang, SHI Guang, YUN Qinyong, LIU Tielin, WANG Xiaoqian, LIU Guixia, SONG Wei, LI Tao, JIANG YajunOperation & Practice46-5210Upgrading and optimization of the small coal heavy-medium separation system at Yangchangwan Coal Preparation PlantZHANG QianOperation & Practice53-5711Feasibility analysis on production of coking coal and coal washing process transformation practice at Baode Coal Preparation PlantGU Lin, ZHANG Ning, ZHANG JianfeiOperation & Practice58-6312Study on reduction of consumption of flotation agents and field practice conducted at Handan Coal Preparation PlantXIAO QiOperation & Practice64-6913Practice of optimization of product structure at Yima Mining Area's coal preparation plantsLIU JunlingOperation & Practice70-7514Application of organic coagulating agent in coal slurry water treatment at Huoshaopu Coal Preparation PlantWU Sheng, HUANG Herui, JIAO Xianguo, XU Peng, ZENG XianglinOperation & Practice76-8015Application of the intelligent heavy medium separation density control system in separation of coal with significant difference in property at Shuangliu Coal Preparation PlantWANG Haibo, REN Zhiguo, ZHAO Yinyin, LIU Yongli, LI Dianying, WANG ZhiAutomation & Intelligence81-8616Study and application of the equal-separating density gravity-flow medium adding systemWANG GangAutomation & Intelligence87-92 