全国首个千万吨级煤矸石综合利用项目在大同开工

Core Viewpoint - The launch of the Shanxi Datong 10 million-ton coal gangue comprehensive utilization project marks a significant step towards resource recycling and sustainable urban development, addressing environmental issues caused by coal gangue accumulation [1][2] Group 1: Project Overview - The project is the first of its kind in China, focusing on the comprehensive utilization of coal gangue, which has accumulated over 7 billion tons in the country, with an annual increase of 500 million tons and a utilization rate of less than 60% [1] - The project aims to transform traditional disposal methods and provide a replicable model for coal gangue management across the country [1] Group 2: Technological Innovations - The project features six innovative technologies, including the first application of belt roasting technology from the steel industry for large-scale production of ceramsite, significantly enhancing production efficiency [2] - AI-based optical sorting technology allows for precise separation of coal gangue components in milliseconds, far surpassing traditional manual sorting methods [2] - The project introduces a world-first "X-ray + electromagnetic wave" technology to effectively remove iron from kaolinite minerals, improving product purity [2] Group 3: Environmental and Economic Impact - The project promotes a complete resource recycling chain from industrial solid waste to new materials and green buildings, contributing to the achievement of carbon neutrality goals [2] - The seven types of products generated from the project span multiple industries, including construction, chemicals, and pharmaceuticals, facilitating the transition to greener and higher-value industries [2]