基本解釋[化學(xué)]雙效精餾詞組短語短語backward -feed double-effect distillation 逆流雙效精餾double-effect distillation更多詞組專業(yè)釋義化學(xué)雙效精餾We have optimized the 3-column double-effect distillation process widely used, and proposed a novel water-integrated and heat-integrated distillation system for purification of synthesized methanol.我們對傳統(tǒng)的三塔雙效精餾工藝進(jìn)行了改進(jìn)，設(shè)計了新的三塔雙效精餾流程。