Nneɛma a ɛma nneɛma nketenkete yɛ adwuma no su

Particulate catalysts wɔ soronko soronko surface area ne porosity, kɛse ma reaction efficiency tu mpɔn. Yɛn methanol-to-aromatics catalysts ne hydrogenation catalysts nyinaa yɛ nea wɔayɛ wɔ particulate kwan so, a ɛda ahoɔden a ɛkyɛn so ne selectivity adi. Wɔn mu no, zeolite molecular sieve products nso wɔ topology soronko te sɛ FAU/MWW.

Nneɛma a ɛma nneɛma nketenkete yɛ nneɛma a ɛho hia a wɔde di dwuma kɛse wɔ nnuru, nneɛma a atwa yɛn ho ahyia, ne ahoɔden mu. Wɔn particle morphology soronko ne catalytic adwumayɛ ma wɔyɛ ade titiriw wɔ mfiridwuma mu nneɛma pii mu. Nneɛma nketenkete a wɔde yɛ nneɛma nketenkete a wɔde di dwuma no gyina wɔn soro pɔtee a ɛkorɔn, sɛnea ɛpete yiye, ne nea ɛma nneɛma yɛ adwuma no so titiriw, a ebetumi atew ahoɔden a ɛma ɛyɛ adwuma no so kɛse na ama nneɛma a wɔyɛ no ntɛmntɛm ne nea wɔpaw wɔ nnuru a wɔyɛ mu no atu mpɔn.

Nneɛma nketenkete a ɛma nneɛma nketenkete yɛ adwuma no fi mmeae a wɔyɛ adwuma wɔ soro no titiriw. Saa mmeae yi tumi twetwe molecule ahorow a ɛyɛ adwuma, na ɛma nnuru a ɛka bom yɛ adwuma no mu paapae na ɛba. Ɛnyɛ sɛ particulate nhyehyɛe no ma beae a ɛne catalyst ne reactants ntam no di nkitaho no yɛ kɛse nko na mmom ɛma nsu a ɛsen ne nea ɛpete wɔ reactor no mu nso yɛ mmerɛw, na ɛma mass transfer efficiency tu mpɔn. Afei nso, mpɛn pii no, nneɛma nketenkete a ɛma nneɛma yɛ kɛse no wɔ mfiridwuma mu ahoɔden a ɛkorɔn, na ɛko tia honam fam ɔsɛe ne nnuru a ɛporɔw bere a wɔreyɛ ade no, na ɛma wɔn nkwa nna kyɛ.