... workers health is very bad. Our company is specializing in coal slime flotation foaming agent for a surfactant composite foaming agent ... at the air-water interface adsorption capacity, and in the coal surface does not occur or occur rarely, adsorption, can greatly ... : roughly in the 0.2-0.4kg/ tons of dry coal slurry, coal slurry concentration, apparent, flotation technology and manual operation and ...