World’s largest coal-based olefins project with 3.6 million tons of methanol production capacity officially goes into operation
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World’s largest coal-based olefins project begins producing 3.6 million tons of methanol – Author/Source: Date: 2016-09-26 Clicks: 12 At 2:30 a.m. on September 24, 2016, the 3.6 million-ton methanol production facility (comprising 2 units, each with a capacity of 1.8 million tons) part of the Zhongtian Hechuang Ordos coal deep processing demonstration project successfully produced qualified methanol products. In August 2016, the 3.6 million tons per year methanol synthesis unit of the Zhongtian Hechuang project began preparations for commissioning trials. The Methanol Department of Zhongtian Hechuang Chemical Branch systematically carried out tasks such as individual unit trials, low and high pressure airtightness tests, catalyst reduction, and water system integration. After more than 40 days and nights of hard work, qualified methanol was produced at 2:30 a.m. on September 24, 2016, laying a solid foundation for the subsequent commissioning of the polyolefin production units in the project. In May 2014, the 3.6 million tons per year methanol synthesis unit of the Zhongtian Hechuang project officially commenced construction. On April 28, 2016, the methanol synthesis unit was successfully handed over. The Zhongtian Hechuang project is currently the world’s largest coal-to-olefins project; once completed, the capacity for methanol-to-olefins production will reach 3.6 million tons per year, utilizing the S-MTO technology developed through a partnership between Sinopec Refining & Chemical Engineering and China Petrochemical Corporation. In 2013, the **National Development and Reform Commission approved the initiation of preliminary work for Zhongtian Hechuang’s 1.4 million-ton coal-to-olefins project. The total investment in the project is nearly 90 billion yuan. The Zhongtian Hechuang Ordos Coal Deep Processing Demonstration Project was designed in its entirety by Sinopec Refining & Petrochemical Engineering (SEG). It mainly includes production units for gasification, purification, methanol synthesis, methanol-to-olefins, and polyolefins, as well as supporting utility systems such as air separation plants, power boilers, circulating water systems, and tank farms. Sinopec Ningbo Engineering Co., Ltd. (SNEC) serves as the overall project manager and is primarily responsible for the coal-to-methanol section; Sinopec Engineering Construction Co., Ltd. (SEI) is in charge of the olefin section, while Sinopec Shanghai Engineering Co., Ltd. (SSEC) is responsible for the three polyolefin units. The Zhongtian Hechuang Ordos coal chemical project is jointly developed by Sinopec Corporation, China National Coal Energy Group Corporation, Shanghai Shenneng Group Co., Ltd., and Inner Mongolia Manshi Coal Group Company. The shareholding ratio is as follows: 38.75% for China National Coal Energy Group Corporation, 38.75% for Sinopec Corporation, 12.5% for Shanghai Shenneng Group Co., Ltd., and 10% for Inner Mongolia Manshi Coal Group Company. The Zhongtian Hechuang project mainly involves the construction of facilities for producing 25 million tons per year of coal, 3.6 million tons per year of methanol, 1.37 million tons per year of olefins, as well as other supporting facilities. The original product plan for the project was 4.2 million tons per year of methanol and 3 million tons per year of dimethyl ether.
Sinopec Ningbo Engineering Co., Ltd. (SNEC) serves as the overall project manager and is primarily responsible for the coal-to-methanol section; Sinopec Engineering Construction Co., Ltd. (SEI) is in charge of the olefin section, while Sinopec Shanghai Engineering Co., Ltd. (SSEC) is responsible for the three polyolefin units. Sinopec Refining & Chemical Engineering EPC
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Is there no excess capacity in methanol production? Perhaps large devices have low costs, which directly overwhelm smaller devices.
A few of my colleagues have just started working at the methanol plant, and I’m a bit worried about them
Once the MTO facility for methanol downstream of Zhongtian Hechuang comes online, with 700,000 tons of PP and 670,000 tons of PE being produced, and no methanol being sold externally, how could such a small facility be forced out of business?
It’s not that the profitability of coal-based olefins lies at an oil price of $50 per barrel; what is the current oil price, and can this project still ensure profitability?
A methanol plant with a capacity of 3.6 million tons (an intermediate product; the volume of crude methanol is converted to that of refined methanol), and a polyolefin production facility with a capacity of 1.37 million tons. This includes a polypropylene plant with a capacity of 350,000 tons (loop-type), another polypropylene plant with a capacity of 350,000 tons (gas-phase), an LDPE plant with a capacity of 120,000 tons (batch-type), an LDPE plant with a capacity of 250,000 tons (tube-type), an LLDPE plant with a capacity of 300,000 tons (gas-phase). In addition, there are air separation units required for chemical manufacturing (6 units capable of producing 82,000 cubic meters of oxygen per hour), boiler systems (6 high-pressure fly ash boilers with a capacity of 550 tons per hour, 5 in operation and 1 as a backup), power generation units (2 condensing generators with a capacity of 135 MW each and 1 backpressure generator with a capacity of 30 MW), as well as various auxiliary production facilities； The second phase project is the production of polyolefins from methanol. Polypropylene, low-density polyethylene (LDPE), and LLDPE (linear low-density polyethylene) are produced using methanol from the first-phase project. The main construction components include a 350,000-ton/year polypropylene plant (ring reactor type), a 350,000-ton/year polypropylene plant (gas-phase type), a 120,000-ton/year LDPE plant (batch type), a 250,000-ton/year LDPE plant (tube-type), a 300,000-ton/year LLDPE plant (gas-phase type), as well as associated storage and transportation facilities ；
In these past two years, there has been a significant increase in CTOs and MTOs, and demand has grown rapidly; therefore, it is currently decoupled from crude oil prices
Congratulations! ! According to the spirit of the Petrochemical Association’s meeting, it is still possible to reach 60 during the 13th Five-Year Plan period! ! :victory::victory: