丙烷-丙烯馏分 propane-propylene fraction
丙烯酸分馏塔 Acrylic fractionator ; Acrylic turbogrid trays
丙烯分馏塔 propylene fractionating tower
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利用蒸汽裂解和炼油工艺的碳四和碳五馏分生产丙烯是增产丙烯的一条重要途径。
Technologies for propylene production by using C4 and C5 fractions as feedstock coming from steam cracker and refineries are reviewed.
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