We are the largest North American producer of aluminum sulfate (alum) and the leading supplier of iron salts and enhanced coagulants, all used for treating drinking, process and wastewater. Our chemicals help reduce phosphorus runoff into lakes and rivers, improve poultry-house environment which boosts production, and produce clean-burning gasoline. Other products reduce odors, remove chlorine, and help meet air quality regulations. We are one of the largest regenerators of sulfuric acid in the U.S., a service we operate for leading refineries. Our environmental chemicals are specialties, tailored to the needs of specific customers, which offer a myriad of industries needing pollution solutions.