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The Ninghai Coal Group DME project site is located at Hedong Heavy Chemical Industry Base in Ningxia, Lingwu City, Ningxia. The design was carried out by Japan Toyo Engineering Co., Ltd. The detailed design was carried out by the Second Institute of Technology, and the technology was carried out for the project construction and installation, equipment commissioning and factory commissioning. Guidance, equipment, instrument selection based on domestic. According to Zhao Yanfei, deputy chief engineer and project manager of Huayuan Second Hospital, this dimethyl ether production plant is currently not only the largest in China, but also a large-scale installation in the world. The entire process route adopts advanced coal gasification technology to convert coal into syngas to produce methanol, and methanol to synthesize fuel grade dimethyl ether via gas phase dehydration. For domestic development of large-scale coal-based dimethyl ether production has a demonstration significance.
At present, the international production capacity of dimethyl ether is expanding rapidly. There are few domestic manufacturers and the scale is small. Most of them are in the range of 1,000 tons to tens of tons. The total annual production is about 400,000 tons. Every year requires a lot of imports. Ningxia is rich in coal resources, with 31 billion tons of proven reserves and 202.7 billion tons of predicted reserves in the region, accounting for 5th and 6th places respectively. Ningxia is the gateway to the northwestern region of north China, where a large coal-based dimethyl ether production base is built, with resources, regional, and market advantages.
The largest dimethyl ether engineering design has been fully developed
On May 8, the reporter learned from the Second Design Institute of Chemical Industry, according to the "Detailed Engineering Design Contract for Dimethyl Ether Synthesis and Distillation Plants" signed by Ningxia Shenhua Coal Group Co., Ltd. and the Institute, At present, the largest domestic engineering design work for DME has been fully carried out. The project is expected to be completed and put into production in 2007. This is a large-scale, modern, high starting point and high level coal chemical project with strategic significance in the development of the western region.