Ɛwo a wɔde yɛ dɔteɛ ahodoɔ titire anan ne sɛdeɛ wɔde di dwuma

Dade a Ɛsom Bo a Ɛma Nneɛma Yɛ Fɛ

Nneɛma Titiriw: Nneɛma a ɛyɛ adwuma ne dade a ɛsom bo te sɛ platinum (Pt), palladium (Pd), ne rhodium (Rh), a wɔde mfiridwuma a wɔde fa nneɛma mu a wɔde ahyɛ ɛwo a wɔde ayɛ dɔte a wɔde gyina so so.

Nneɛma a Wɔde Yɛ Dade Oxide

Nneɛma Nhyehyɛe: Egyina titanium dioxide (TiO2), alumina (Al2O3), ne vanadium oxide (V2O5) a wɔabom ayɛ so.

Molekyule Sieve Nneɛma a Ɛma Nneɛma Yɛ Fɛ

Structural Su: Sɛ wɔde ɛwo a wɔde yɛ dɔteɛ mmoa a ZSM-5, Y-type, anaa molecule sieves foforɔ di dwuma a, saa catalysts yi wɔ microporous channels a ɛwɔ standard pore sizes.

Perovskite Nneɛma a Ɛma Nneɛma Yɛ Fɛ

Nnuru Nhyehyɛe: ABO3 type crystal structure, a A-beae no taa yɛ lanthanide rare earth elements ne B-sites a wɔde nsakrae dade te sɛ manganese anaa cobalt di dwuma.