Ii-cenospheres, ezizii-spheres ezikhaphukhaphu, ezingenanto zenziwe ngokuyintloko yi-silica kunye ne-alumina, azinazo ii-grades ezisemgangathweni jikelele njengezinye izinto. Nangona kunjalo, iimpawu zazo zinokwahluka ngokusekwe kumthombo wazo kunye neendlela zokucubungula.
Kubalulekile ukuqaphela ukuba inkqubo yokubeka amanqaku kwii-cenospheres inokwahluka phakathi kwabavelisi okanye ababoneleli. Ke ngoko, kuyacetyiswa ukuba ubhekisele kwiinkcukacha ezithile zemveliso okanye udibane nathi ukuze uqonde umgangatho kunye neempawu zee-cenospheres ezinikezelwayo.