Source nature and method of sewage ① Analysis The main source of domestic sewage: sewage mainly due to waste produced by residents in their daily lives, including laundry water, bath, kitchen water, toilet waste. Environmental issues ② Sewage: sewage contains large amounts of organic matter, marine sewage treatment plant, such as cellulose, starch, sugar and fat protein caused by excessive COD, generally between 150-300PPM and used by the detergent. fine, laundry, etc. containing phosphorus supplies, causing excessive phosphorus, are more common among 20-50PPM .PH value remains at around 7 is neutral water. ③ treatment: According to lessons learned, the most money, the easiest approach would go through biochemical pool (can be COD, phosphorus significantly down) process, community sewage treatment project, and then by a chemical method (COD removal agent, in addition to phosphorus compounds, plant sewage treatment program, easy to deal with low concentration COD, phosphorus), Hezhou sewage, easy discharge. Guangzhou Fu students Environmental Accor new Electronics (Dongguan) Co., Ltd. sewage treatment works (1800m3 / d): Effect of sewage refractory organics can bring long-term stability remains in the water and accumulate in the food chain of biochemical, part of the compound in which even at very low levels still have carcinogenic, teratogenic, mutagenic effect on human health pose a great threat. Radioactive material contamination of surface water and groundwater, affecting drinking water quality, and internal exposure on the human body through the food chain, people may be dizziness, head carbuncle, loss of appetite and other symptoms, followed by neutropenia and thrombocytopenia, long-term effects of overdose can cause cancer, leukemia, and genetic disorders. Hotels sewage handling | Fu students (certified) | Hezhou sewage provided by the Environmental Protection Engineering Co., Ltd. Guangzhou Fu students. Environmental Protection Engineering Co., Ltd. Guangzhou Fu students (www.fushengyuan.com) is a leader in Guangzhou, environmental monitoring equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Fu students in leadership with the staff warmly welcome all inquiries negotiations to create a better future for rich students.