Core Insights - The Inner Mongolia Baofeng coal-based olefin project (Phase I) has successfully commenced steam cracking operations, achieving qualified product output, making it the largest coal-based olefin plant globally with a production capacity of 3 million tons [1][2] - The DMTO technology used in the project is a new coal chemical core technology developed collaboratively by the Dalian Institute of Chemical Physics and China Petroleum & Chemical Corporation (Sinopec) Guangzhou Engineering Company, featuring independent intellectual property rights [1][2] - The DMTO series technology has been licensed 38 times, achieving a total olefin production capacity of 26.35 million tons per year, with 20 DMTO units designed or constructed by Sinopec Guangzhou Engineering Company already in operation, totaling 13.08 million tons per year [3] Project Overview - The Inner Mongolia Baofeng coal-based olefin project primarily uses coal as a raw material to produce olefins, including gasification, air separation, purification, methanol synthesis, and full-density polyethylene and polypropylene production units [2] - Sinopec Guangzhou Engineering Company is responsible for the design of three DMTO units (using DMTO-III technology), one steam cracking unit, and the entire plant's storage and transportation tank area [2] - The DMTO-III technology has shown to reduce methanol consumption per ton of olefin and significantly increase the production capacity of single units, allowing for flexible operation based on market demand [2] Technological Advancements - Since the signing of the DMTO-III development agreement in July 2020, the research team has developed several new technologies and equipment, including a series of energy optimizations for the DMTO-III unit, enhancing the efficiency of the coupling between DMTO and olefin separation units [1][2] - The first industrial unit using DMTO-III technology, with an olefin production capacity of over 1 million tons, was completed in Ningxia in August 2023, leading to continuous improvements in engineering technology based on operational data analysis [2] - The upcoming DMTO unit with a production capacity of 1.35 million tons per year is expected to set a new record for the largest single methanol-to-olefin unit [3]