Rotocel extractor ke mochine o nang le khetla ea cylindrical, rotor le mochine oa koloi ka hare, ka mohaho o bonolo, theknoloji e tsoetseng pele, tšireletso e phahameng, ho laola ka mokhoa o itekanetseng, ts'ebetso e boreleli, ho hlōleha ho fokolang, ho sebelisa matla a fokolang.E kopanya ho fafatsa le ho soasoa ka phello e ntle ea leaching, oli e fokolang e setseng, oli e tsoakiloeng e entsoeng ka filthara e ka hare e na le phofo e nyenyane le concentration e phahameng. E loketse ho hatella pele ho oli e sa tšoaneng kapa ho tlosoa ha soya le raese bran.