Ion exchange resins as catalysts for the liquid-phase dehydration of 1-butanol to di-n-butyl ether
作者： MA Pérez , R Bringué , M Iborra , J Tejero , F Cunill
DOI: 10.1016/J.APCATA.2014.05.017
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摘要: Abstract This work reports the production of di-n-butyl ether (DNBE) by means 1-butanol dehydration in liquid phase on acidic ion-exchange resins. Dehydration experiments were performed at 150 °C and 40 bar 13 styrene-codivinylbenzene ion exchangers different morphology. By comparing conversions to DNBE initial reaction rates it is concluded that oversulfonated resins are most active catalysts for whereas gel-type swell significantly medium as well macroreticular thermostable resin Amberlyst 70 selective DNBE. The highest yield was achieved 36. influence typical impurities also investigated showing presence 2-methyl-1-propanol (isobutanol) enhances formation branched ethers such 1-(1-methylpropoxy) butane 1-(2-methylpropoxy) butane, ethanol acetone yields ethyl butyl and, a much lesser extent, diethyl ether.
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