Shanshan Taiheng Energy and Chemical Co., Ltd. in Xinjiang: Demonstration Project for the Clean, Efficient, and Comprehensive Utilization of Low-grade Coal at a rate of 10 million tons per year
Thread Content
Xinjiang Taiheng Company plans to invest in the Shanshan Industrial Park in Shanshan County, Xinjiang, to build a \"Demonstration Project for the Clean, Efficient, and Comprehensive Utilization of Low-Rank Coal at a rate of 10 million tons per year.\" On October 27, 2025, the Xinjiang Ecology and Environmental Protection Industry Association issued a public notice regarding the proposed approval for the environmental impact assessment process related to the demonstration project on the clean, efficient, and diversified utilization of low-grade coal at a capacity of 10 million tons per year, carried out by Xinjiang Taiheng Energy and Chemical Co., Ltd. Using local low-rank coal from Turpan as raw material, this process involves the low- and medium-temperature pyrolysis of such coal to produce upgraded coal, tar, and other products. The gas generated during pyrolysis is utilized comprehensively to produce LNG, while the upgraded coal is processed through shaping to yield briquetted coal. This project adopts a dual-fluidized-bed pyrolysis process for the co-production of gas and tar from semi-coke, using pulverized coal in a dry distillation process to generate pyrolysis gas and upgraded coal. This approach addresses the challenges associated with the separation of oil, dust, and gas in conventional pulverized coal pyrolysis, thereby improving the quality of the resulting oil and gas products. This project meets the strategic requirements and goals of **green and low-carbon development under the ‘dual carbon’ initiative** by purchasing green electricity; such electricity accounts for approximately 50% of the project’s energy consumption. For every 1 kilowatt-hour of electricity saved, 0.328 kilograms of standard coal is conserved, while pollution emissions are reduced by 0.272 kilograms of dust, 0.997 kilograms of carbon dioxide, 0.03 kilograms of sulfur dioxide, and 0.015 kilograms of nitrogen oxides. This project will reduce carbon dioxide emissions by approximately 209,000 tons per year through the use of green electricity.
Xinjiang Taiheng Energy and Chemical Co., Ltd.’s 10 million tons per year demonstration project for the clean, efficient, and comprehensive utilization of low-grade coal through sorting and grading
Project Overview
Project Name: Xinjiang Taiheng Energy and Chemical Co., Ltd. 10 million tons/year Low-grade Coal High-efficiency, Clean, and Integrated Utilization Demonstration Project
Project Owner: Xinjiang Taiheng Energy and Chemical Co., Ltd.
Nature of Construction: New construction
Location: Within the Green Energy and Chemical Industry Demonstration Zone in Shanshan Industrial Park
Land Area: The total area of the factory complex is 98 hectares; the area allocated for this project is 62.4 hectares, with 35.6 hectares reserved for future use. Labor quota and working system: The quota is 600 people, with an annual operating time of 8,000 hours. Approved total investment: 1,126,650.73 million yuan. Construction contents and project components mainly include the main structure, auxiliary works, utility systems, storage and transportation facilities, and environmental protection measures. The main production facilities include coal pyrolysis units, pyrolysis gas purification units, pre-purification units for LNG, methanation units, LNG liquefaction units, phenol and ammonia recovery systems, etc. This project employs Zhejiang University’s two-fluidized-bed pyrolysis technology for the pyrolysis of pulverized coal, in order to produce upgraded coal, coal tar, and pyrolysis gas. Among them, the upgraded coal is cooled and humidified before being shipped as a finished product ； After passing through the pyrolysis gas purification unit, wet gas produces products such as crude purified gas, coal tar, sulfur, and crude phenol ； LNG products are produced from roughly purified gas through decarburization and cryogenic separation. For tar recovery (cold drum and electrostatic precipitator), a combined direct cooling + indirect cooling process is employed. For gas desulfurization, a wet oxidation process using PDS (cobalt phthalocyanine sulfonate) with sodium carbonate as the base and tannin as a composite catalyst is used. For gas denitrification, the \"semi-direct method with a spray saturator to produce ammonium sulfate\" is planned as the process for ammonia recovery. The LNG production technology includes TSA temperature-controlled adsorption purification, sulfur-resistant shift reaction, MDEA decarburization, hydrogenation for further desulfurization, methanation, molecular sieve dehydration and mercury removal, as well as deep cryogenic separation.
Project Name: Xinjiang Taiheng Energy and Chemical Co., Ltd. 10 million tons/year Low-grade Coal High-efficiency, Clean, and Integrated Utilization Demonstration Project
Project Owner: Xinjiang Taiheng Energy and Chemical Co., Ltd.
Nature of Construction: New construction
Location: Within the Green Energy and Chemical Industry Demonstration Zone in Shanshan Industrial Park
Land Area: The total area of the factory complex is 98 hectares; the area allocated for this project is 62.4 hectares, with 35.6 hectares reserved for future use. Labor quota and working system: The quota is 600 people, with an annual operating time of 8,000 hours. Approved total investment: 1,126,650.73 million yuan. Construction contents and project components mainly include the main structure, auxiliary works, utility systems, storage and transportation facilities, and environmental protection measures. The main production facilities include coal pyrolysis units, pyrolysis gas purification units, pre-purification units for LNG, methanation units, LNG liquefaction units, phenol and ammonia recovery systems, etc. This project employs Zhejiang University’s two-fluidized-bed pyrolysis technology for the pyrolysis of pulverized coal, in order to produce upgraded coal, coal tar, and pyrolysis gas. Among them, the upgraded coal is cooled and humidified before being shipped as a finished product ； After passing through the pyrolysis gas purification unit, wet gas produces products such as crude purified gas, coal tar, sulfur, and crude phenol ； LNG products are produced from roughly purified gas through decarburization and cryogenic separation. For tar recovery (cold drum and electrostatic precipitator), a combined direct cooling + indirect cooling process is employed. For gas desulfurization, a wet oxidation process using PDS (cobalt phthalocyanine sulfonate) with sodium carbonate as the base and tannin as a composite catalyst is used. For gas denitrification, the \"semi-direct method with a spray saturator to produce ammonium sulfate\" is planned as the process for ammonia recovery. The LNG production technology includes TSA temperature-controlled adsorption purification, sulfur-resistant shift reaction, MDEA decarburization, hydrogenation for further desulfurization, methanation, molecular sieve dehydration and mercury removal, as well as deep cryogenic separation.
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