Labarai
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Jagoran haɓakawa na alumina da aka kunna
A cikin sabon ci gaba mai ban sha'awa, masu bincike sun sami nasarar kunna aluminum, suna buɗe duniyar yuwuwar amfani da shi a masana'antu daban-daban.Ci gaban, wanda aka ruwaito a wani bincike na baya-bayan nan da aka buga a mujallar Nature, yana da yuwuwar sauya yadda ake amfani da aluminum a...Kara karantawa -
Aikace-aikacen sieve kwayoyin ZSM azaman mai haɓaka isomerization
ZSM kwayoyin sieve wani nau'i ne na silicaluminate crystalline tare da girman pore na musamman da siffar, wanda aka yi amfani dashi sosai a cikin halayen sunadarai daban-daban saboda kyakkyawan aikin sa.Daga cikin su, aikace-aikacen sieve kwayoyin halitta na ZSM a fagen isomerization catalyst yana da ...Kara karantawa -
Surface acidity na ZSM kwayoyin sieve
Faɗin acidity na ZSM kwayoyin sieve yana ɗaya daga cikin mahimman kaddarorin sa azaman mai haɓakawa.Wannan acidity ya fito ne daga atom ɗin aluminum a cikin kwarangwal sieve na kwayoyin halitta, wanda zai iya samar da protons don samar da fili mai protonated.Wannan fili mai daɗaɗɗa zai iya shiga cikin nau'ikan halayen sinadarai iri-iri ...Kara karantawa -
Tasirin rabon Si-Al akan sieve kwayoyin ZSM
Si / Al rabo (Si / Al rabo) wani muhimmin dukiya na ZSM simintin kwayoyin halitta, wanda ke nuna alamar dangi na Si da Al a cikin simintin kwayoyin.Wannan rabo yana da tasiri mai mahimmanci akan aiki da zaɓi na sieve kwayoyin ZSM.Na farko, Si / Al rabo zai iya rinjayar acidity na ZSM m ...Kara karantawa -
Tasiri da aikin ma'aikacin samfuri akan haɓakar sieve ƙwayoyin ƙwayoyin cuta na ZSM
A cikin tsarin haɗin gwal na ƙwayoyin cuta, wakilin samfuri yana taka muhimmiyar rawa.Wakilin samfuri wani nau'in kwayoyin halitta ne wanda zai iya jagorantar ci gaban kristal na sieve kwayoyin ta hanyar hulɗar intermolecular kuma ya ƙayyade tsarinsa na ƙarshe.Na farko, wakilin samfuri na iya shafar ...Kara karantawa -
ZSM kwayoyin sieve
ZSM molecular sieve wani nau'i ne na haɓakawa tare da tsari na musamman, wanda ke nuna kyakkyawan aiki a yawancin halayen sinadarai saboda kyakkyawan aikin acidic.Wadannan su ne wasu abubuwan kara kuzari da halayen da za a iya amfani da sieves na kwayoyin ZSM don: 1. Isomerization reaction: ZSM molecular si...Kara karantawa -
Aikace-aikace da kira na ZSM-5 kwayoyin sieve
I. Gabatarwa ZSM-5 na'ura mai kwakwalwa wani nau'i ne na microporous abu tare da tsari na musamman, wanda aka yi amfani da shi sosai a wurare da yawa saboda kyawawan abubuwan tallatawa, kwanciyar hankali da aikin catalytic.A cikin wannan takarda, aikace-aikace da kuma kira na ZSM-5 kwayoyin sieve zai zama intr ...Kara karantawa -
Bincike kan iyakokin aikace-aikacen silica gel desiccant
A cikin samarwa da rayuwa, ana iya amfani da gel silica don bushe N2, iska, hydrogen, iskar gas [1] da sauransu.Bisa ga acid da alkali, desiccant za a iya raba zuwa: acid desiccant, alkaline desiccant da tsaka tsaki desiccant [2].Silica gel ya bayyana a matsayin na'urar bushewa mai tsaka-tsaki wanda da alama ya bushe NH3, HCl, SO2, ...Kara karantawa
