BHT Environ (also known as Beijing BHT Environmental Technology, 北京博汇特环保科技股份有限公司) is an environmental technology company that provides wastewater treatment solutions. It offers wastewater treatment systems for mobile distributed wastewater treatment plants used in freeway service areas, outskirt villas, sanatoriums, military zones, schools, hotels, etc. The company also provides electro-catalytic oxidation reactors as well as supplementary carbon chemicals used for denitrification, intensive biological phosphorus removal, and start-up of biochemical systems.