Generally speaking, there are many harmful factors, but in general there are only a few major aspects, such as: gas pollution (according to the different equipment and different nature of the sewage there are many kinds of exhaust gas, such as ammonia, sulfur dioxide, hydrogen sulfide in the water storage tank, etc.), acid and alkali corrosion (the use of chemicals in the equipment on the corrosion of human beings, etc.), dust contamination (configuration of solid chemicals dust, sludge storage), dust, on-site filtration material storage generated Dust, on-site filtration material storage dust, etc.)
If the environmental factors to identify, water treatment equipment, harmful factors or a lot, according to the nature of each device and its operating instructions labeled for effective identification.
I hope you can help.