1Development of China's coal preparation industry and technologiesCHENG Hongzhi1-122Proposal on approaches to be adopted by the coal-related and coal preparation sectors under the strategic goals of achieving carbon peaking and carbon neutralityYUE Jinglin, DENG Mingrui13-233Progress of research on key technologies essential for developing intelligent coal preparation plantKUANG Yali, WANG Zhangguo, WANG Guanghui, LIN Zhe24-334Discussion on the construction path and evaluation index system of coal preparation powerYANG Maoqing, DONG Xianshu34-395A General review of the course of development of China's coal preparation technologies over the past five decadesTAO Nengjin, ZHENG Jihong, LI Zhiyang40-476Current state of China's coal preparation and processing undertakings and motions for boosting future developmentZHANG Zhenhong48-537Significance of separation and enrichment of organic coal macerals and status quo of related research workDENG Mingrui, LIU Hongna54-658Current research work on and development trend of sizing crusher used at opencast coal mineLI Peng, ZHANG Mingyuan, XIA Guangshan, ZHAO Bohang66-719Development and application of coal jigging technology and equipmentYANG Kang, LOU Dean, LI Chaodong72-7810Underground coal separation:practice and future outlookLIU Sheng79-8211Research,development and application of the SID intelligent dry separatorCHEN Kun, HU Bingsheng, SONG Junchao, JIA Jinxin, ZHANG Hongchao83-8812Application of the intelligent 3-mass high-frequency fine screen in the process for recovery of coarse slime at coal preparation plantLU Zhiming, HU Dexi, ZHANG Minggang, WANG Lei89-9413Experimental study on enhancing flotation of low-rank coal using mixed reagentsLI Yubing, FAN Chen, QIN Shenhui, HUANG Baolin, LI Zhihong95-100