Core Insights - The article highlights the advancements in the coal chemical industry in Yulin, focusing on the construction of the world's largest coal chemical project, which aims to promote the optimization and upgrading of the entire coal industry chain [2][3]. Group 1: Project Developments - The second phase of the 15 million tons/year coal quality clean and efficient conversion demonstration project has successfully completed the installation of its first major equipment, marking a transition from construction to equipment installation [2]. - The first phase of the project primarily produced ethylene glycol, contributing one-third of the national output with one-fifth of the capacity, while the second phase focuses on coal-to-olefins, producing biodegradable materials to replace single-use plastics [3]. Group 2: Technological Innovations - The methanol-to-ethanol project by Yanchang Petroleum is set to create the first domestic full industrial chain of "coal-methanol-ethanol-vinyl acetate-POE," showcasing advancements in coal chemical new materials [5]. - The project utilizes advanced technology developed in collaboration with Dalian Institute of Chemical Physics, which involves a cost-effective and selective production process for ethanol [5]. Group 3: Environmental Initiatives - The National Energy Group Yulin Chemical Company is implementing a circular economy project worth 150 billion yuan, focusing on low-carbon transformation and solid waste management [6]. - Yulin Zhongke Environmental Protection Technology Group has established the first carbon-based solid waste resource utilization pilot base in the country, capable of 100% recovery of large-scale solid waste [6].