Kukonzekera mkulu-ntchito anathandiza nano-golide chothandizira makamaka amaganizira mbali ziwiri, mmodzi ndi yokonza nano golide, amene amaonetsetsa mkulu chothandizira ntchito ndi kukula yaing'ono, ndi zina ndi kusankha chonyamulira, amene ayenera kukhala ndi lalikulu ndithu pamwamba. dera ndi ntchito yabwino.kunyowa kwakukulu komanso kuyanjana kwamphamvu ndi ma nanoparticles agolide omwe amathandizidwa ndipo amabalalika kwambiri pamtunda wa chonyamuliracho.

Chikoka cha chonyamulira pa chothandizira ntchito ya Au nanoparticles makamaka akuwonetseredwa m'dera enieni padziko, wettability wa chonyamulira palokha ndi mlingo wa mogwirizana pakati chonyamulira ndi nanopowders golide.Chonyamulira chokhala ndi SSA yayikulu ndiye chofunikira pakubalalika kwakukulu kwa tinthu tagolide.Kunyowa kwa chonyamulira kumatsimikizira ngati chothandizira cha golide chidzaphatikizana ndi tinthu tating'ono ta golide panthawi yowerengera, potero kuchepetsa ntchito yake yothandizira.Kuphatikiza apo, mphamvu yolumikizirana pakati pa chonyamulira ndi ma nanopowder a Au ndiyenso chinthu chofunikira chomwe chimakhudza ntchito yothandizira.Kulimba kwa mphamvu yolumikizana pakati pa tinthu tagolide ndi chonyamulira, m'pamenenso ntchito yothandiza kwambiri ya chothandizira golide.

Pakadali pano, zida zambiri za nano Au zothandizira zimathandizidwa.Kukhalapo kwa chithandizo sikumangokhalira kukhazikika kwa mitundu ya golide yogwira ntchito, komanso kumagwira ntchito yofunika kwambiri pakulimbikitsa ntchito ya chothandizira chonse chifukwa cha kugwirizana pakati pa chithandizo ndi nanoparticles za golide.

Zotsatira zambiri za kafukufuku zikuwonetsa kuti golide wa nano-golide amatha kuyambitsa machitidwe osiyanasiyana amankhwala, ndipo akuyembekezeka kuti alowe m'malo mwazothandizira zitsulo zamtengo wapatali zomwe zilipo monga Pd ndi Pt pokhudzana ndi kaphatikizidwe kabwino ka mankhwala ndi chilengedwe. , kusonyeza chiyembekezo chozama chogwiritsa ntchito:

1. Kusankha makutidwe ndi okosijeni

Kusankha makutidwe ndi okosijeni wa mowa ndi aldehydes, epoxidation wa olefins, kusankha makutidwe ndi okosijeni wa ma hydrocarbons, kaphatikizidwe wa H2O2.

2. Hydrogenation reaction

Hydrogenation wa olefins;kusankha hydrogenation wa unsaturated aldehydes ndi ketoni;kusankha hydrogenation wa mankhwala nitrobenzene, deta zikusonyeza kuti Au/SiO2 chothandizira ndi Kutsegula nano-golide wa 1% akhoza kuzindikira kothandiza catalysis mkulu-kuyeretsa halogenated onunkhira amines hydrogenation kaphatikizidwe amapereka mwayi watsopano kuthetsa vuto dehalogenation ndi catalytic. hydrogenolysis mu ndondomeko yamakono mafakitale.

Nano Au catalysts amagwiritsidwa ntchito kwambiri mu biosensors, zothandizira kwambiri, ndipo golide ali ndi kukhazikika kwa mankhwala.Ndiwokhazikika kwambiri pakati pa zinthu za gulu la VIII, koma ma nanoparticles agolide amawonetsa zochitika zabwino kwambiri zothandizira chifukwa cha kukula kwapang'ono, mawonekedwe owoneka bwino, ndi zina zambiri.

Pothandizira zomwezi, chothandizira golide cha nano chimakhala ndi kutentha kocheperako komanso kusankha kwakukulu kuposa zopangira zitsulo wamba, ndipo ntchito yake yotsika yotsika kwambiri ndiyokwera kwambiri.Zochita zothandizira pa kutentha kwa 200 ° C ndizokwera kwambiri kuposa za CuO-ZnO-Al2O3 chothandizira.

1. CO oxidation reaction

2. Low kutentha madzi gasi kusinthana anachita

3. Madzi-gawo hydrogenation anachita

4. Madzi-gawo makutidwe ndi okosijeni zimachitikira, kuphatikizapo ethylene glycol makutidwe ndi okosijeni kubala oxalic acid, ndi kusankha makutidwe ndi okosijeni wa shuga.

 


Nthawi yotumiza: Jun-17-2022

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