Ikirahure kibangamiwe mu 1865. Ikirahure kibanga ni ibikoresho byubaka bifite ubushyuhe bwiza, ubwitonzi bwiza, bwiza kandi bifatika, kandi birashobora kugabanya uburemere bwinyubako. Ikozwe mu kirahuri cyiza cyane cy'ikirahure cy'ibihuri bibiri (cyangwa bitatu) ukoresheje imbaraga nyinshi hamwe n'ubucucike bwa gaze.
3) Isuku: Adsorb umukungugu ureremba mukirere.
Kurwanya umurongo wa satelant nicyegeranyo cyimikorere ya spacer hamwe nicyemezo cya aluminiyumu, imikorere yumisha ibirahure, hamwe nimbaraga zikirahure za kilometero, hamwe nimbaraga zikirahure zihagarara, zikaba zihagaze ku kirahure.
Ibicuruzwa bijyanye: Jz-zig molecular sieve, JZ-AZ MoleCure Sieve