China's 10,000-ton Methanol-to-Olefin Industrial Test Has Received a Major Breakthrough

China's Dalian Institute of Chemical Physics, Shaanxi Xinxing Coal Chemical Technology Development Co., Ltd., and Sinopec Group Luoyang Petrochemical Engineering Co., Ltd. have achieved major breakthroughs in the "Methanol to Olefins (DMTO) Technology Development" industrial pilot project. The project reached a nearly 100% methanol conversion rate on an industrial test unit processing 50 tons of methanol daily, with low-carbon olefin selectivity (ethylene, propylene, butylene) exceeding 90%. On August 24, a press conference was held at the Great Hall of the People in Beijing to announce the technical achievements of the DMTO industrial pilot project. The project had already passed national evaluation on August 23. An expert panel led by Academician Yuan Qinglian praised the development of SAPO-34 catalytic materials by the Dalian Institute of Chemical Physics, which were applied in the methanol-to-olefins process. The corresponding catalysts and circulating fluidized bed technologies enabled the construction of the world’s first 10,000-ton-scale methanol-to-olefins industrial facility. This technology is a breakthrough with independent intellectual property rights, setting international standards in both equipment scale and performance. The successful operation of the test unit marks a significant step forward for China’s energy strategy, supporting the efficient use of resources and diversifying feedstocks for low-carbon olefins. The project has received strong support from national ministries, the Chinese Academy of Sciences, and local leaders. Notable attendees at the press conference included Gu Xiulian, President Lu Yongxiang, Shi Erwei, Zhang Yiming, Yuan Chunqing, Hong Feng, and He Jianmin from the National Development and Reform Commission. Experts highlight that ethylene and propylene are essential raw materials for plastics, synthetic fibers, and other chemical products. Traditionally, naphtha derived from petroleum has been the main source. However, with China’s growing oil demand and increasing reliance on imports—nearly 40% of crude oil is imported—the need for alternative feedstocks has become critical. Rising global oil prices, now above $70 per barrel, further emphasize the importance of diversifying raw materials for olefin production. With advances in natural gas and coal-to-syngas technologies, producing methanol from these sources and then converting it into low-carbon olefins has emerged as a key route. The MTO process is central to this strategy. In response to China’s energy challenges, the government has promoted the development of methanol, ethanol, and other alternatives to reduce dependence on oil. As a result, MTO technology has become vital for the growth of the coal chemical industry and the national strategy of "substituting coal for oil." Since the early 1980s, the Dalian Institute of Chemical Physics has focused on developing low-carbon olefins from natural gas or coal. Through continuous research, they have made significant progress in catalyst development, reactor design, and pilot testing. By the mid-1990s, the institute collaborated with UOP Corporation of the U.S. to conduct MTO pilot tests. However, due to low oil prices and immature methanol technology at the time, the project did not proceed to full commercialization. In August 2004, Dalian Xinxing Coal Chemical Technology Development Co., Ltd. partnered with Sinopec Luoyang Petrochemical Engineering to build and operate an industrial test unit using proprietary catalysts and fluidized bed technologies developed by the Dalian Institute. After two years of joint efforts, the system successfully achieved its goals, providing essential data for large-scale industrial implementation. Currently, the Dalian Institute of Chemical Physics has formed an industrialization leadership team. The National Development and Reform Commission and the Chinese Academy of Sciences are actively advancing the project to quickly commercialize this important innovation, contributing to China’s long-term energy security and industrial development.

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