This paper investigates and analyzes the actual "Three Wastes" pollution sources of octanol and isobutyl aldehyde plant, and puts forward the corresponding control measures to be adopted.
前言：对辛醇和异丁醛装置“三废”污染源现状进行调查和分析，提出并采取了相应的控制对策。
Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.
加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。
Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
在甲醇和水的混合体系中，通过芳醛，丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1，4-二氢吡啶衍生物。
The result indicated that the highest relative content in essential oil in the three periods is alcohol substance and the second is ester and aldehyde.
不同时期的黄褐毛忍冬挥发油中醇类物质含量均较高，其次是酯类、醛类等物质；
The result indicated that the highest relative content in essential oil in the three periods is alcohol substance and the second is ester and aldehyde.
不同时期的黄褐毛忍冬挥发油中醇类物质含量均较高，其次是酯类、醛类等物质；
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