Phosphorus degreasing agent refers not add phosphorus P degreasing agent. Phosphorus degreasing agent such as zeolite 4A by non-phosphorus containing substances as builders reduce phosphorus discharge of sewage, to help maintain the ecological environment. Therefore, China has begun being banned at the same time promoting the use of phosphate-free degreasing agent, primarily it is to prevent red tide phenomenon because phosphorus can make the sea eutrophic algae growth, phosphorus degreasing agent, do not pollute the environment.