联产醋酸乙烯和乙酸乙酯的方法包括:(a)乙烯,乙酸和氧气反应形成醋酸乙烯和微量的乙酸乙酯;(b)将含有醋酸及步骤(a)生成醋酸乙烯与乙酸乙酯的粗产品流送至精馏塔;(c)把粗产品流分离为:(i)醋酸乙烯产品流富集在粗产品里的醋酸乙烯粗产品流中;(ii)酸循环流浓缩在粗产品流中的醋酸中;(iii)包含醋酸乙烯和醋酸乙酯的混合侧流在 A method of co-producing vinyl acetate and ethyl acetate comprises: (a) reacting ethylene, acetic acid and oxygen to form vinyl acetate and traces of ethyl acetate; (b) contacting acetic acid with acetic acid and step (a) to produce vinyl acetate and ethyl acetate (C) separating the crude product stream into: (i) a stream of vinyl acetate product enriched in the crude vinyl acetate product stream in the crude product; (ii) an acid recycle stream concentrated in the crude product Acetic acid in the stream; (iii) a mixed sidestream comprising vinyl acetate and ethyl acetate