Sumitomo Heavy Starts Gasification Pilot for SAF and Bio-methanol

Sumitomo Heavy Industries has commenced commissioning operations at a new gasification pilot test facility at its Ehime Works, Niihama Plant, positioning the company to further develop sustainable aviation fuel and bio-methanol production technology as Japan pushes to decarbonize its aviation and energy sectors. The pilot unit has a raw material processing capacity of 2.4 tons per day and can handle various biomass and recycled materials using air, oxygen or steam as gasifying agents.

What the Facility Is Actually For

The pilot's purpose is service-oriented rather than production-focused: it lets Sumitomo Heavy run gasification demonstrations and verify optimal processing methods for raw materials supplied by customers, generating data to support those customers' own business feasibility studies and equipment decisions. This is a testing and data-generation facility that other companies can use to evaluate whether gasification suits their specific feedstock and business plan, not a facility intended to produce commercial volumes of fuel itself.

The Technology Behind It

The Niihama facility employs a fluidized-bed gasifier, a furnace design that suspends a medium such as sand in air or steam to enable efficient chemical reactions with the raw material, converting solid biomass and waste into syngas, a hydrogen and carbon monoxide-rich gas that serves as the building block for methanol, diesel and jet fuel synthesis. Sumitomo Heavy has built its proprietary gasification technology on decades of experience with circulating fluidized-bed and bubbling fluidized-bed combustion systems, which it has supplied primarily in Europe since the 1980s through its Sumitomo SHI FW unit, giving the company an established technical base to extend into biofuel-oriented gasification specifically.

Why Gasification Is a Genuinely Different SAF Pathway

This is a fourth distinct SAF production pathway this series has now covered, alongside HEFA (used cooking oil hydroprocessing), alcohol-to-jet (ethanol conversion), and e-SAF (renewable electricity plus captured CO2). Gasification followed by Fischer-Tropsch synthesis is regarded in academic literature as one of the lowest-CO2-emission SAF production routes on a lifecycle basis, but has faced practical hurdles around biomass grinding, tar formation, ash treatment, gas purification and wastewater handling that have slowed commercial deployment relative to HEFA specifically.

Part of a Wider Japanese Competitive Field

Sumitomo Heavy is not alone in pursuing gasification technology domestically; other Japanese industrial groups, including Mitsubishi Heavy Industries, have developed their own gasification approaches, such as MHI's entrained-bed design adapting the fluidized-bed concept, aimed at reducing grinding power requirements and tar concentration. Separately, Sumitomo Chemical, a different company within the wider Sumitomo group, has been piloting a distinct CO2-to-methanol process at the same Ehime Works site in Niihama since 2023, supported by Japan's NEDO Green Innovation Fund, meaning gasification and CO2-to-methanol research are both being pursued in parallel at overlapping Japanese industrial sites, under different corporate entities pursuing different chemical pathways to similar end products.

Source: Sumitomo Heavy Industries, 24 August 2026.