Simulation Strategy for the Robust Design of the Recovery of Acetic Acid from Cellulose Acetate Production Wastewater

被引：0

作者：

Millenautzki, Thomas ^{[1
]}

Tempel, Tasia ^{[1
]}

Barbe, Stephan ^{[1
]}

机构：

[1] TH Koln, Fak Angew Nat Wissensch, Campus Leverkusen,Campuspl 1, D-51379 Leverkusen, Germany

来源：

CHEMIE INGENIEUR TECHNIK | 2023年 / 95卷 / 09期

关键词：

Analytics; Azeotropic distillation; Circular economy; Liquid-liquid extraction; NRTL model; Pilot scale; Simulation; LOCAL COMPOSITIONS; SEPARATION;

D O I：

10.1002/cite.202200181

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Large quantities dilute acetic acid are generated during the industrial acetylation of cellulose. In the light of sustainability and circularity, it is crucial to recover and recycle the acetic acid (closed loop) released during this production. In this work, a simulation strategy for the robust design of the recovery of acetic acid from cellulose acetate production wastewater was developed and experimentally validated. The corresponding models (NRTL & UNIFAC) were discussed and used for simulation trials. The practical values confirmed the assumption of the applicability of a NRTL activity coefficient of alpha(ij) = 0.2.

引用

页码：1467 / 1475

页数：9

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