Influence of Feed Impurity on the Design and Operation of an Industrial Acetic Acid Dehydration Column | Zendy

ILung Chien | Zendy; HsiaoPing Huang | Zendy; Tang-Kai Gau | Zendy; Chunhui Wang | Zendy

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Influence of Feed Impurity on the Design and Operation of an Industrial Acetic Acid Dehydration Column

Author(s) -

ILung Chien,

HsiaoPing Huang,

Tang-Kai Gau,

Chunhui Wang

Publication year - 2005

Publication title -

industrial and engineering chemistry research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.878

H-Index - 221

eISSN - 1520-5045

pISSN - 0888-5885

DOI - 10.1021/ie0501125

Subject(s) - acetic acid , volumetric flow rate , column (typography) , component (thermodynamics) , process engineering , impurity , work (physics) , chemistry , chromatography , computer science , mechanical engineering , engineering , mechanics , thermodynamics , telecommunications , biochemistry , organic chemistry , frame (networking) , physics

In this work, the design and operation of an industrial column for acetic acid dehydration via heterogeneous azeotropic distillation is investigated. Multiple column feed streams from various parts of the upstream process are fed into this column. The feed components besides acetic acid and water also contain small amounts of methyl acetate and another component. For proprietary reasons, this component will not be specified in this paper. This component during normal operation will not leave the column system through either a top decanter aqueous outlet stream or a column bottom stream. The accumulation of this component inside the column system is illustrated via rigorous dynamic simulation. A side stream is proposed to solve the accumulation problem of this component. The appropriate side-stream location and its flow rate are determined in this paper by total annual cost analysis. There is a great influence of this small feed impurity on the design and operation of the column. With the same purity speci...

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