Slaughter waste water includes a lot of nitrogenous organic matter such as blood, pluck, hairs and soon, and it is easy to breeding large Numbers of deleterious microorganism.
屠宰废水中含有大量的血水、动物内脏、毛发等含氮有机质，而且容易滋生大量的有害生物。
2
The water heater with self-tight sealing under high pressure is a new type of equipment used for waste heat recovery from the synthesis system in the small nitrogenous fertilizer plants.