Fuelling Rockets with Coal: The Death of Foreign Tech Reliance

The world’s largest coal-to-liquids facility, operated by China Energy Group Ningxia Coal Industry Co Ltd in the Ningxia Hui autonomous region, has reached full operational status after processing 24 million tonnes of coal in 2025. This throughput represents one-quarter of the region's entire annual coal output. Utilizing indirect coal liquefaction, the facility converts raw coal into high-value energy products and lubricants, elevating the material's economic value sevenfold. This technological milestone comes at a crucial juncture, mitigating energy vulnerabilities steming from global crude supply disruptions—such as blockades in the Strait of Hormuz—which previously driven international oil prices beyond $100 per barrel. Given that China relies heavily on domestic coal reserves while lacking abundant crude oil resources, converting local coal reserves into refined liquid fuels provides vital strategic and financial advantages.

The underlying technology relies on a chemical transformation where coal is heated with steam and oxygen to generate a synthesis gas composed of carbon monoxide and hydrogen. Following rigorous purification, this gas is converted into clean-burning, low-sulfur, and low-aromatic synthetic petroleum products. The industrial journey to develop this domestic technology spans over two decades. Initial efforts in 2004 to license foreign technology, primarily from South African industry pioneer Sasol, faltered due to exorbitant costs that reached $2.5 billion for single synthetic components. Consequently, Chinese researchers focused on localized alternatives. By 2009, Synfuels China Technology established a successful pilot line, prompting Ningxia Coal Industry to pursue an independent developmental path.

Engineering the facility required overcoming significant technical obstacles, including unstable catalysts, clogged furnaces, and fragile nozzles. A fundamental breakthrough occurred in 2012 with the creation of the domestically designed Shenning furnace. Unlike foreign gasification systems that demanded premium-grade inputs and proved costly to modify, the Shenning furnace efficiently processes lower-grade coal varieties. Following formal approval from the National Development and Reform Commission in 2013, construction proceeded on a megaproject spanning an area equivalent to over 650 football fields. The facility achieved its initial milestone by yielding its first successful batch of refined oil in 2016, with an overall target output capacity of 4 million tonnes of synthetic oil products per year.

The facility transforms solid coal into diverse liquid resources, including diesel, naphtha, liquefied gas, sulfur, and specialized high-purity waxes. Notable applications of these outputs include specialized coal-based rocket fuels developed alongside the China Aerospace Science and Technology Corporation, which successfully powered the Long March-12 launch and diversified national aerospace propellants. Furthermore, the company launched the proprietary C Energy+ line of high-end automotive and industrial lubricants, featuring products such as 68# anti-wear hydraulic oil that match international performance standards. Despite broader national challenges where high-grade coal chemical products remain largely confined to laboratory settings, this modernized complex features a 99.8 percent automated control system capable of sustained, unattended operations, establishing a benchmark for clean coal utilization and energy self-reliance.