A Measurement Method for the Pore Structure of Coal Slime Filter Cake

The accurate determination of the coal slime filter cake pore structure has always been a problem in field solid–liquid separation. An innovative measurement method for after filtration dehydration water, including preparation cake, solidification and test was established this paper. Epoxy resin curing agent can ensure strength red colorant realize separation particles pores. most suitable perfusate consists epoxy resin, colorant, reagent, optimal ratio is 12:3:5. application to study effect time on pores shows that modified effective. At initial stage filtration, intergranular formed by coarse are main With increasing time, macropores mainly filled with fine particles, size rapidly decreases. These measuring results rules accurate. This be conveniently used microstructure channel regulation, mechanisms, etc.