SBR Co., Ltd. (SBR株式会社) is a Japan-based company developing and commercializing waste-to-chemicals processes. It focuses on converting municipal solid waste and other non-recyclable streams into ethanol and related intermediates via gasification and biological/chemical upgrading, aiming to advance circular resource use and lower emissions in the chemicals value chain.
Established as a joint venture associated with Sekisui Chemical and investment partners, SBR leads project development from pilot through early commercial scale, coordinating technology integration, engineering, and collaboration with municipalities and industrial partners. Its work centers on achieving stable operations on heterogeneous waste feedstocks and building pathways to deploy these technologies in Japan and internationally.