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Kushandiswa kweZSM molecular sieve se isomerization catalyst
ZSM molecular sieve imhando yecrystalline silicaluminate ine saizi yakasarudzika yepore uye chimiro, iyo yakashandiswa zvakanyanya mukusiyana kwemakemikari maitirwo nekuda kwekuita kwayo kwakanaka kunobatsira. Pakati pavo, kushandiswa kweZSM molecular sieve mumunda weisomerization catalyst ine attra ...Verenga zvimwe -
Surface acidity yeZSM molecular sieve
Iyo acidity yepamusoro yeZSM molecular sieve ndechimwe chezvinhu zvayo zvakakosha sechinhu chinokonzera. Iyi acidity inobva kumaatomu ealuminium ari mumolecular sieve skeleton, iyo inogona kupa mapurotoni kuti aumbe nzvimbo ine protonated. Iyi protonated surface inogona kutora chikamu mumhando dzakasiyana dzemakemikari reaction...Verenga zvimwe -
Mhedzisiro yeSi-Al ratio paZSM molecular sieve
The Si/Al ratio (Si/Al ratio) chinhu chakakosha cheZSM molecular sieve, inotaridza hukama hweSi neAl musefa yemamorekuru. Chiyero ichi chine mhedzisiro yakakosha pane chiitiko uye kusarudzwa kweZSM molecular sieve. Kutanga, chiyero cheSi / Al chinogona kukanganisa acidity yeZSM m ...Verenga zvimwe -
ZSM molecular sieve
ZSM molecular sieve imhando yecatalyst ine yakasarudzika chimiro, iyo inoratidza kuita kwakanakisa mumakemikari akawanda maitiro nekuda kwekuita kwayo acidic. Zvinotevera ndezvimwe zvinokonzeresa uye maitiro ayo ZSM molecular sieves anogona kushandiswa: 1. Isomerization reaction: ZSM molecular si...Verenga zvimwe -
Tsvagiridzo pachiyero chekushandiswa kwesilica gel desiccant
Mukugadzira uye hupenyu, silica gel inogona kushandiswa kuomesa N2, mhepo, hydrogen, gasi rechisikigo [1] zvichingodaro. Maererano neasidhi uye alkali, desiccant inogona kugoverwa kuva: acid desiccant, alkaline desiccant uye neutral desiccant [2]. Silica gel inoita kunge isina kwayakaomesesa inoita seyakaoma NH3, HCl, SO2, ...Verenga zvimwe -
Nzira yekugadzira silica gel?
Silica gel imhando yeanoshanda zvakanyanya adsorption zvinhu. Icho chinhu chinonzi amorphous uye chimiro chayo chemakemikari ndeye mSiO2.nH2O. Inosangana neChinese kemikari yakajairwa HG/T2765-2005. Iyo desiccant raw material yakagamuchirwa neFDA iyo inogona kutarisana zvakananga nechikafu nemishonga. Silica gel ine ...Verenga zvimwe -
Nyasha Scientist Yuying Shu's Discovery Inovandudza FCC Catalyst Performance uye Environmental Hushamwari.
COLOMBIA, MD, Mbudzi 16, 2020 (GLOBE NEWSWIRE) - WR Grace & Co. (NYSE: GRA) vazivisa nhasi kuti Chief Scientist Yuying Shu ane mbiri nekuwanikwa kweazvino patented, anohwina yepamusoro-soro mumiriri weGrace Stable ane chiitiko chakavandudzwa. (GSI) yeRare Earth Tec...Verenga zvimwe -
catalyst carrier uye zeolite
Isu tinoshandisa makuki kuvandudza ruzivo rwako. Nekuramba uchitsvaga saiti ino, unobvuma kushandisa kwedu makuki. Mamwe mashoko. Ichi chinyorwa chinotarisa pamusoro pevhu acidity zvimiro zve oxide catalysts uye zvinotsigira (γ-Al2O3, CeO2, ZrO2, Si...Verenga zvimwe
