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Ke noi ʻana o ZSM molecular sieve e like me ka isomerization catalyst
ʻO ZSM molecular sieve kahi ʻano crystalline silicaluminate me ka nui o ka pore a me ke ʻano, i hoʻohana nui ʻia i nā hopena kemika ma muli o kāna hana catalytic maikaʻi loa. I waena o lākou, ʻo ka hoʻohana ʻana o ZSM molecular sieve i ke kahua o ka isomerization catalyst i attra ...Heluhelu hou aku -
ʻO ka ʻakika ʻili o ZSM molecular sieve
ʻO ka acidity ili o ZSM molecular sieve kekahi o kāna mau waiwai nui ma ke ʻano he catalyst. Loaʻa kēia ʻakika mai nā ʻātoma alumini i loko o ka iwi molecular sieve skeleton, hiki ke hāʻawi i nā protons e hana i kahi ʻili protonated. Hiki i kēia ʻili protonated ke komo i nā ʻano like ʻole o ka hoʻohālikelike kemika ...Heluhelu hou aku -
Ka hopena o ka ratio Si-Al ma ZSM molecular sieve
ʻO ka lākiō Si / Al (Si / Al ratio) he waiwai koʻikoʻi o ZSM molecular sieve, e hōʻike ana i ka pilina pili o Si a me Al i ka sieve mole. He hopena koʻikoʻi kēia lakio i ka hana a me ke koho ʻana o ZSM molecular sieve. ʻO ka mua, hiki i ka lākiō Si / Al ke hoʻopili i ka acidity o ZSM m ...Heluhelu hou aku -
kānana molekala ZSM
ʻO ZSM molecular sieve kahi ʻano catalyst me kahi ʻano ʻokoʻa, e hōʻike ana i ka hana maikaʻi loa i nā hopena kemika he nui ma muli o kāna hana acidic maikaʻi loa. Ma lalo iho nei kekahi mau catalysts a me nā hopena i hiki ke hoʻohana ʻia nā kānana molekole ZSM no: 1. Ka hopena isomerization: ZSM molecular sieves.Heluhelu hou aku -
E noiʻi e pili ana i ke ʻano o ka hoʻohana ʻana i ka silica gel desiccant
I ka hana ʻana a me ke ola, hiki ke hoʻohana ʻia ka silica gel e hoʻomaloʻo i ka N2, ka ea, ka hydrogen, ke kinoea maoli [1] a pēlā aku. Wahi a ka waikawa a me ka alkali, hiki ke hoʻokaʻawale ʻia ka desiccant i: acid desiccant, alkaline desiccant a me neutral desiccant [2]. ʻO ka silica gel he mea maloʻo kūʻokoʻa e like me ka maloʻo NH3, HCl, SO2, ...Heluhelu hou aku -
Pehea e hana ai i ka silica gel?
ʻO ka silica gel kahi ʻano mea adsorption ikaika loa. He mea amorphous a ʻo kona ʻano kemika ʻo mSiO2.nH2O. Hoʻokō ia i ka maʻamau kemika Kina HG/T2765-2005. He mea desiccant maka i ʻae ʻia e FDA hiki ke hoʻopili pololei me ka meaʻai a me nā lāʻau lapaʻau. Loaʻa ka silica gel ...Heluhelu hou aku -
Hoʻomaikaʻi ʻo Grace Scientist Yuying Shu's Discovery i ka FCC Catalyst Performance and Environment Friendly
COLOMBIA, MD, Nowemapa 16, 2020 (GLOBE NEWSWIRE) - Ua hoʻolaha ʻo WR Grace & Co. (NYSE: GRA) i kēia lā ua ʻike ʻia ʻo Chief Scientist Yuying Shu i ka loaʻa ʻana o ka mea hoʻokele Grace Stable lanakila nui me ka hana i hoʻonui ʻia. (GSI) no Rare Earth Tec...Heluhelu hou aku -
mea lawe hoʻoheheʻe a me ka zeolite
Hoʻohana mākou i nā kuki e hoʻomaikaʻi i kou ʻike. Ma ka hoʻomau ʻana i kēia pūnaewele, ʻae ʻoe i kā mākou hoʻohana ʻana i nā kuki. ʻIke hou aku. Ke nānā nei kēia ʻatikala i nā waiwai acidity o ka oxide catalysts a me nā kākoʻo (γ-Al2O3, CeO2, ZrO2, Si...Heluhelu hou aku
