Thepa e khethehileng le sebopeho sa filthara ea khekhe ea linotši ea ceramic e khetholla litšobotsi tsa eona. Ntlha ea pele, e na le matla a matle, ho roala le ho hanyetsa ho bola, le bophelo bo bolelele ba tšebeletso. Ka nako e ts'oanang, ka lebaka la matla a eona a matle, ha ho na deformation ea micropores, le lipontšo tse tsitsitseng tsa tekheniki ntle le ho feto-fetoha ha maemo; Li-pores li nyane (li-microns tse ka bang 1.5), khato ea capillary e matla, 'me filtrate e kenngoa ka har'a micropores ka boeona. Mosebetsi oa pompo ea vacuum ke ho ntša filtrate ho boloka matla; (ho fihla ho 0.098Mpa) mongobo oa kaka ea filthara o tlase, 'me coefficient ea tšebeliso ea filthara e phahame; hape ka lebaka la li-pores tse nyane, lintho tse tiileng tse emisitsoeng ka har'a filtrate li tlase, 'me sefahla se hlakile, se ka sebelisetsoang ho potoloha ha metsi setšeng ho thibela tšilafalo ea tikoloho le ho boloka mehloli ea metsi.