... . Handling ability is big, the efficiency high, occupies a land area, the use scope to be broad few. ... , printing, papermaking, refinery, leather, steel and iron, machine-finishing, starch, food.In the water treatment domain gas floats ... sludge. In the water treatment domain gas floats machine the application in below aspect 1, in the ... sludge. dissolves the steam gas to float machine(advection type)