黄河流域煤制烯烃强制性用水定额标准发布实施

Core Points - The newly implemented national standard for water consumption in the coal-to-olefins industry in the Yellow River Basin aims to enhance water efficiency and management [1][2] - The standard establishes mandatory water consumption quotas for both new and existing coal-to-olefins enterprises, with specific limits on water usage per ton of product [2] Group 1: Standard Implementation - The standard, titled "Water Quotas for High Water Consumption Industries in the Yellow River Basin: Part 3 - Coal-to-Olefins," was officially released and took effect on June 1, 2023 [1] - This standard fills a gap in mandatory industrial water-saving standards at the basin level, marking a shift from guidance to enforceable regulations [2] Group 2: Water Consumption Quotas - For new coal-to-olefins enterprises or those undergoing major renovations, the water usage limit is set at 12 cubic meters per ton of product [2] - Existing coal-to-olefins enterprises must reduce their water usage to no more than 21 cubic meters per ton of product, with a 36-month transition period to comply with this requirement [2] Group 3: Calculation and Management - The standard specifies that the calculation of water consumption includes both conventional sources (surface water, groundwater, municipal supply, purchased steam, and hot water) and unconventional sources (reclaimed water, mine water, and collected rainwater), with unconventional water counted as 0.8 of conventional water [2] - The implementation of this standard is expected to strengthen water resource management and promote the efficient use of water resources in the coal-to-olefins industry [2]