Sinopec Great Wall Energy & Chemical (Ningxia) Co., Ltd. (Ningxia Energy & Chemical) is the first commercially operating enterprise in Sinopec's coal chemical sector, a large-scale circular economy demonstration enterprise in the Ningdong Energy & Chemical Base, and a leading industrial enterprise in Ningxia.
Development History:
June 2010: The predecessor, "Guodian Ningxia Yinglite Ningdong Coal-based Chemical Co., Ltd.", was established.
December 2012: Sinopec Great Wall Energy & Chemical acquired a 50% stake, forming a joint venture.
January 2014: Great Wall Energy & Chemical's shareholding increased to 95%; in September, the entire process of the plant was completed.
January 2016: Officially transitioned to commercial operation.
March 2021: Great Wall Energy & Chemical acquired 100% of the shares, becoming a wholly-owned subsidiary.
Main Business and Capacity:
Industry Structure: Integrated coal-power-chemical-materials production, clean and efficient utilization of coal.
Coal: Yinxing No. 2 (2.2 million tons/year) and Songxinzhuang (1.5 million tons/year) coal mines. Power: 2×330MW subcritical generator units, combined heat and power.
Chemical Products: Methanol, acetic acid, PVA (polyvinyl alcohol), BDO (1,4-butanediol), PTMEG (polytetramethylene ether glycol), etc.
Environmentally Friendly Building Materials: Cement clinker and cement products made from calcium carbide slag.
Ningxia Energy and Chemical's products can be divided into four categories: basic raw materials for coal chemical industry, PVA industrial chain, BDO/PTMEG new materials, and energy and building materials. The core are two high-value-added chemical industrial chains.
I. Basic Raw Materials (Leading Units)
Methanol: 620,000 tons/year (coal-based)
Calcium Carbide: 750,000 tons/year; Acetylene: 230,000 tons/year
Formaldehyde: 440,000 tons/year
Acetic Acid: 300,000–400,000 tons/year
II. PVA Industry Chain (Acetic Acid → VAC → PVA)
Vinyl Acetate (VAC): 450,000 tons/year
Polyvinyl Alcohol (PVA): 100,000 tons/year (used in slurries, adhesives, architectural coatings, and vinylon fibers)
Polyvinyl Alcohol
III. BDO/PTMEG New Material Chain (Formaldehyde → BDO → THF → PTMEG)
1,4-Butanediol (BDO): 208,000–221,000 tons/year
Tetrahydrofuran (THF): 100,000 tons/year
Polytetramethylene Ether Glycol (PTMEG): 92,000 tons/year (core raw material for spandex and high-end polyurethane)
IV. Energy and Building Materials
Power: 2 × 330MW Cogeneration (CHP), primarily for self-consumption, with surplus exported.
Heat: Industrial steam, heating steam.
Cement (including clinker): 1 million tons/year (comprehensive utilization of calcium carbide slag, zero solid waste discharge).
V. Simplified Industrial Chain Diagram (Simply put):
Coal/Electricity → Methanol/Calcium Carbide → Acetic Acid/VAC → PVA; Formaldehyde → BDO → THF → PTMEG; Calcium Carbide Slag → Cement
Core Advantages and Value of the Enterprise
1. Circular Economy Advantage: The Ningdong Base was among the first to achieve zero industrial wastewater discharge, with all waste residue and waste gas recycled and reused, setting a benchmark for green production in Northwest China's coal chemical industry.
2. Technological and Safety Advantage: Possesses a professional coal chemical technology R&D platform, has won national-level safety science and technology awards, and its safety production standards meet the highest control requirements of Sinopec.
3. Strategic Industrial Value: Completes Sinopec's Northwest coal chemical industry layout, supports the national strategy of clean coal utilization and energy supply security, and simultaneously drives high-quality development of Ningxia's local industrial economy.
