13X molecular sieve bụ ngwaahịa pụrụ iche nke emepụtara iji gboo ihe pụrụ iche nke ụlọ ọrụ nkewa ikuku.Ọ na-eme ka ikike mgbasa ozi dịkwuo elu maka carbon dioxide na mmiri, ma na-ezere ụlọ elu oyi kpọnwụrụ n'oge usoro nkewa ikuku.Enwere ike iji ya mee ihe na-emepụta oxygen
Ụdị molecular sieve 13X, nke a makwaara dị ka sodium X ụdị molecular sieve, bụ alkali metal aluminosilicate, nke nwere ụfọdụ isi na nke otu klas nke ntọala siri ike.3.64A erughị 10A maka molekul ọ bụla.
Ogo pore nke 13X molecular sieve bụ 10A, na mgbasa ozi karịrị 3.64A na ihe na-erughị 10A.Enwere ike iji ya maka ndị na-ebu ụgbọ elu, mgbasa ozi mmiri na carbon dioxide, njikọ mgbasa ozi nke mmiri na hydrogen sulfide gas, nke a na-ejikarị maka ihicha ọgwụ na usoro mkpakọ ikuku.Enwere ụdị ngwa ọkachamara dị iche iche.