Njengezinto eziphambili kwiimpendulo zeekhemikhali, ukusebenza kwabathwali be-catalyst kuchaphazela ngokuthe ngqo ukusebenza kakuhle kwe-catalytic, ukukhetha ukuphendula kunye nobomi benkonzo. Ngophuhliso olukhawulezayo lweekhemikhali, amandla kunye namashishini okukhusela okusingqongileyo, ukuveliswa kweteknoloji yabathwali be-catalyst kuye kwaba yinto ebalulekileyo yokuqhubela phambili ukuphuculwa kwemizi-mveliso. Eli nqaku liza kwazisa iimpawu eziphambili zezobugcisa zabathwali be-catalyst kunye nexabiso labo kwizicelo zoshishino.
Indawo ethile ephezulu kunye nokulungiswa kwesakhiwo sepore
Omnye wemisebenzi ephambili yabathwali be-catalyst kukubonelela ngeqonga lokusasazwa kwamacandelo asebenzayo, kwaye indawo ephezulu yendawo ethile isitshixo sokufezekisa le njongo. Ngokulungisa isakhiwo se-pore somthwali, njengoyilo oludibeneyo lwe-micropores, i-mesopores kunye ne-macropores, isixa sokulayisha kunye nokuchithwa kwezinto ezisebenzayo kunokuphuculwa kakhulu. Olu phawu lolwakhiwo aluphuculi nje ukusebenza kakuhle koqhagamshelwano lwe-catalytic reaction, kodwa lunciphisa ngempumelelo uxhathiso losasazo kwaye luphucule umlinganiselo wokusabela ngokubanzi.
Ukuzinza kwe-thermal kunye namandla omatshini
Kwiqondo lokushisa eliphezulu kunye noxinzelelo oluphezulu lweemeko zoshishino, abathwali be-catalyst kufuneka babe nozinzo oluhle kakhulu lwe-thermal kunye namandla omatshini. Izinto zokuthwala eziqhelekileyo ezifana ne-alumina, i-silica kunye ne-zeolite zisetyenziswa ngokubanzi ngenxa yokumelana nokushisa okuphezulu. Ukongeza, umthwali kufuneka amelane noxinzelelo lomatshini ngexesha lokuphendula ukuphepha ukulahleka kwamacandelo asebenzayo ngenxa yokuqhekeka okanye ukunxiba, ngaloo ndlela ukwandisa ubomi benkonzo ye-catalyst.
Inertness Chemical kunye nokuguqulwa komhlaba
Abathwali be-Catalyst badla ngokufuneka ukuba babe ne-chemically inert ukuphepha ukuphendula okusecaleni kunye ne-reactants okanye iimveliso. Nangona kunjalo, kwizicelo ezithile, iindlela zokuguqula umphezulu (ezifana nonyango lwe-asidi, ukufakwa kwesinyithi, njl.njl.) zinokunika abathwali imisebenzi eyongezelelweyo ye-catalytic ukuphucula ukukhetha kwabo okanye umsebenzi. Oku bhetyebhetye kwenza abathwali baziqhelanise neemfuno zeenkqubo ezahlukeneyo zokusabela.
Ukukhuselwa kwendalo kunye nokuzinza
Ngokunyuka kwemithetho engqongqo yokusingqongileyo, ukutyalwa kwecatalyst carriers kuye kwaba yindlela yoshishino. Imathiriyeli evuselelekayo,{1}}iinkqubo zokulungiselela amandla aphantsi, kunye noyilo olunokurisayiklishwa zifundwa ngokubanzi. Umzekelo, uphuhliso lwebhayo -esekwe kubathwali kunye nezixhobo zekhabhoni ezinamanzi akunciphisi kuphela ukukhutshwa kwekhabhoni, kodwa kuphuculwe ukusebenza kakuhle kobutyebi.
Inkqubela phambili kwitekhnoloji ye-catalyst carrier iqhuba ukutsha kunye nophuhliso kwimimandla yoshishino lweekhemikhali, amandla kunye nokukhuselwa kwendalo. Kwixesha elizayo, ngokuvela okuqhubekayo kwezinto ezintsha kunye neenkqubo ezintsha, abathwali be-catalyst baya kudlala indima ephambili kwiimeko ezininzi zoshishino kunye negalelo kuphuhliso oluzinzileyo lwehlabathi.
