Chothandizira cha Oxidation & Liquid phase oxidation catalyst
Chothandizira cha Oxidation & Liquid phase oxidation catalyst
Pamene ethylene ndi propylene zopezedwa petroleum hydrocarbon cracking ntchito polymerization zipangizo, kusankha hydrogenation chofunika kuchotsa kufufuza zosafunika monga alkyne, diene, mpweya monoxide, mpweya woipa ndi mpweya, popanda kutaya olefin.Chothandizira chomwe chimagwiritsidwa ntchito nthawi zambiri ndi palladium, platinamu kapena faifi tambala, cobalt, molybdenum, ndi zina zambiri, pa alumina.Chothandizira chosankha cha hydrogenations okhala ndi katundu wosiyanasiyana angapezeke poyang'anira kuchuluka kwa zinthu zogwira ntchito, njira yopangira chithandizo ndi chothandizira.Zina monga kusenga mafuta, kuchepetsa nitrobenzene hydrogenation kukhala aniline, chothandizira cha hydrogenation.
Chothandizira chakuya cha hydrogenation kupita kuzinthu zodzaza.Monga benzene hydrogenation kupita ku cyclohexane yokhala ndi faifi tambala alumina chothandizira, phenol hydrogenation mpaka cyclohexanol, imakhala ndi ditrile hydrogenation ku hexdiamine yokhala ndi nickel catalyst.
Kugwiritsa ntchito silicon carbide kapena α -alumina monga chithandizo (ndi barium oxide pang'ono ngati cocatalyst).Pambuyo mosalekeza kusintha kwa chothandizira ndi ndondomeko zinthu, kulemera zokolola za ethylene wadutsa 100%.
Chothandizira chopopera pa silicon carbide kapena corundum kuti makutidwe ndi okosijeni wa o-xylene kukhala phthalic anhydride.Chothandizira chokonzekera popopera mankhwala omwe amachokera ku vanadium-molybdenum series oxides pa corundum kuti azitha kutulutsa benzene kapena butane kukhala maleic anhydride.Kuwongolera kwamtunduwu ndikokulitsa zinthu zambiri, zida zisanu ndi zitatu zothandizira zawonekera.Maonekedwe a chonyamulira amasinthidwanso kuchokera ku spherical kupita ku zozungulira, semicircle kuti athandize kutentha kutentha.Zomwe zimachitika kawirikawiri ndikutsata katundu wambiri, zokolola zambiri komanso kuyera kwazinthu.
Monga methanol oxidation mu formaldehyde ndi siliva - pumice (kapena alumina), iron oxide - molybdenum oxide ndi electrolytic silver catalyst.
M'zaka za m'ma 1960, chothandizira chokhala ndi bismuth-mo-phosphorus compound oxide catalyst chinapangidwa.Acrylonitrile ikhoza kupangidwa mu sitepe imodzi powonjezera propylene, ammonia ndi mpweya pa chothandizira.Pofuna kupititsa patsogolo kusankha ndi zokolola komanso kuchepetsa kuipitsidwa kwa chilengedwe, mayiko osiyanasiyana akuwongolera nthawi zonse zomwe zimayambitsa vutoli, ndipo zida zina zatsopano zimakhala ndi mitundu 15 ya zinthu.Oxygen chlorination catalyst, the 60's anapanga copper chloride alumina catalyst, mu fluidized bed reactor kudzera ethylene, hydrogen chloride ndi mpweya kapena oxygen amatha kupeza dichloroethane.Dichloroethane anali pyrolyzed kuti apange vinyl chloride monomer.Njirayi ndi yopindulitsa pa chitukuko cha PVC m'madera omwe magetsi ndi okwera mtengo ndipo petrochemicals amapangidwa, njira yopangira chithandizo ndi chothandizira.Zina monga kusenga mafuta, kuchepetsa nitrobenzene hydrogenation kukhala aniline, chothandizira cha hydrogenation.
Chothandizira chamadzimadzi gawo la okosijeni
Pali makamaka:
(1) Ethylene, propylene oxidation acetaldehyde, acetone (Wacker njira), yokhala ndi palladium pang'ono.chloride copper chloride solution chothandizira, kudzera mu olefin, mpweya kapena mpweya, pambuyo pa sitepe imodzi kapena ziwiri kuti mupeze zofunika.mankhwala okhala ndi okosijeni.The sangathe ndi dzimbiri kwambiri anachita zida.
(2) Aromatic side chain oxidationkwa aryl acid chothandizira, monga p-xylene mu acetic acid solution ndi cobalt acetate ndi kachulukidwe kakang'ono ka ammonium bromideKutentha, mpweya makutidwe ndi okosijeni kupanga terephthalic asidi, koma dzimbiri kwambiri anachita zida.
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