Mmetụta nke oke Si-Al na ZSM molekul sieve

Oke Si/Al (oke Si/Al) bụ ihe dị mkpa nke sieve molekul ZSM, nke na-egosipụta ọdịnaya Si na Al dị na sieve molekul. Oke a nwere mmetụta dị mkpa na ọrụ na nhọrọ nke sieve molekul ZSM.
Nke mbụ, oke Si/Al nwere ike imetụta acidity nke sieves molekul ZSM. N'ozuzu, ka oke Si-Al dị elu, otú ahụ ka acidity nke sieve molekul si sie ike. Nke a bụ n'ihi na aluminom nwere ike inye etiti acid ọzọ na sieve molekul, ebe silicon na-ekpebikarị nhazi na ọdịdị nke sieve molekul.
Ya mere, enwere ike ijikwa acidity na catalytic activity nke molekul sieve site na ịgbanwee Si-Al. Nke abụọ, Si/Al ratio nwekwara ike imetụta nkwụsi ike na iguzogide okpomọkụ nke ZSM molekul sieve.
Mkpọchi molekụla e ji Si/Al mee na-enwekarị nkwụsi ike okpomọkụ na hydrothermal ka mma.
Nke a bụ n'ihi na silikọn dị na sieve molekul nwere ike inye nkwụsi ike ọzọ, iguzogide mmeghachi omume dịka pyrolysis na hydrolysis acid. Na mgbakwunye, oke Si/Al nwekwara ike imetụta nha na ọdịdị nke sieve molekul ZSM.
N'ozuzu, ka oke Si-Al dị elu, otú ahụ ka obere oghere nke sieve molekul dị, ọdịdị ya dịkwa nso na okirikiri ahụ. Nke a bụ n'ihi na aluminom nwere ike inye ebe njikọ ọzọ na sieve molekul, na-eme ka nhazi kristal dịkwuo obere. Na nchịkọta, mmetụta nke oke Si-Al na sieve molekul ZSM nwere ọtụtụ akụkụ.
Site n'ịgbanwe nha Si-Al, a pụrụ ịmepụta ihe mkpuchi molekul nwere nha na ọdịdị oghere kpọmkwem, ezigbo acidity na nkwụsi ike, ka o wee mezuo mkpa nke mmeghachi omume catalytic dị iche iche nke ọma.