ning the easily pounds and heavy metals in wastewater Easily anic matter, anisms under natural conditions is difficult descending position anic material occurs in the natural environment can be maintained indefinitely and disseminated, and thus a serious impact on the marine environment and ecologicalThird, medical sewage carrying pathogens, domestic sewage and industrial wastewaterPathogens, infectious agents, including pathogens, disease eggs, viruses. Pathogens can survive in the water can enter the body through the food chain, which make you sickfourth,Industrial wastewater anic matter and nutrients, sewage. Wastewater anic and nutrient substances that contain protein, fat, amino acids, carbohydrates and other ozone-anic matter and nitrogen, phosphorus and other nutrients in wastewater
全文预览
