Brimstone Energy is a hardware clean-tech startup working on innovative technological solutions to address the issue of reduction of global carbon dioxide emissions. The vision of the firm's founders is to make ordinary portland cement without carbon dioxide emissions - and at a cost lower than conventionally produced cement. Described aa operating a technology platform built to reduce CO emissions through innovative technologies for next-generation industrial processes, the firm's platform provides a cost-effective process for converting waste sulfur into green hydrogen and sulfuric acid, enabling users to replace conventional processes with a cost effective and clean electrochemical system