Xin Lang Cai Jing·2026-02-02 10:51Core Viewpoint - The overall design review meeting for Sinopec's 800,000 tons/year coal-to-olefins upgrade demonstration project was held in Hohhot, Inner Mongolia, focusing on a comprehensive and systematic professional evaluation of the project design [1][6]. Group 1: Project Overview - The project is approved by Sinopec with a feasibility study report and includes the construction of a 2.26 million tons/year methanol plant, a 2.26 million tons/year MTO unit, 350,000 tons/year of polyethylene, 450,000 tons/year of polypropylene, and 100,000 tons/year of EVA/LDPE, along with supporting facilities [3][12]. - The total investment for the project is approximately 2,206.67 million yuan (excluding VAT), with an environmental investment of about 160.39 million yuan [5][14]. Group 2: Technical Details - The project will utilize Sinopec's SE coal gasification technology, with a gasifier capacity of 3,500 tons/day and an operating pressure of 6.5 MPa, supplying downstream syngas at approximately 650,000 Nm³/h [5][14]. - The methanol synthesis unit will have a capacity of 2.26 million tons/year, employing a dual-stage water-cooled methanol synthesis process and a hydrogen recovery system using membrane separation and PSA technology [5][14]. Group 3: Engineering and Construction - The project design is divided into two bidding sections, with Sinopec Ningbo Engineering Co., Ltd. winning the first section, responsible for the methanol plant and associated facilities [8][17]. - The construction will include air separation units, gas purification systems, and other auxiliary production facilities to support the main production processes [6][15].