Sludge is very common in our daily life, which also promoted the birth of sludge dryer, whether it is industrial production or municipal construction, there will be a large number of sludge production. We should know that industrial sludge contains a lot of heavy metals, which, if not handled properly, can have a huge impact on the environment or human health. Before the popularization of sludge dryer, a lot of people will bury the industrial sludge http://www.bioetp.net/sludge-dewatering-machine/sludge-dryer/