Naslov
Separation of acetic acid from the aqueous solution by means of solvent extraction

Autori
Sander, Aleksandra ; Prlić Kardum, Jasna ; Penović, Tomislav

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Book of Abstracts of the VIII IberoAmerican Conference on Phase Equilibria and Fluid Properties for Process Design - EQUIFASE 2009 + CD Rom / Maria Eugenia Rebello de Almeida Macedo - Porto : LSRE/LCM, Faculdade de Engenharia da Universidade do Porto, 2009, 1-6

ISBN
978-989-20-1694-8

Skup
VIII IberoAmerican Conference on Phase Equilibria and Fluid Properties for Process Design - EQUIFASE 2009

Mjesto i datum
Portimão, Portugal, 17.10.2009. - 21.10.2009

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Acetic acid; Butyl acetate; Liquid-liquid equilibrium; Scale-up; Solvent extraction

Sažetak
Acetic acid is one of the most widely used caroxylic acid in many industrial processes. Recovery of acetic acid from the industrial waste waters may be achieved by means of solvent extraction. For this purpose n-butyl acetate was used as a solvent. Ternary phase equilibrium data for the water - acetic acid - butyl acetate system have been determined at room conditions. Extraction experiments have been performed in the laboratory batch extraction unit (mixer-settler) and in three different countercurrent column extractors with mechanically assisted agitation (laboratory scale Karr reciprocating plate column, pilot scale Oldshue-Rushton column and pilot scale rotating disc column). The influence of the solvent ratio and the number of stages on the separation of the acetic acid from aqueous solution have been investigated for the batch extraction. In order to find the optimal process conditions the influence of the mixing intensity and the solvent ratio on the mass transfer performance in the column extractors were studied. Mass transfer coefficients, number of transfer units and the corresponding heights of transfer units were correlated with the process conditions (solvent ratio, mixing intensity). According to K.H. Smith et al, the industrial scale Karr column diameter and frequency were determined.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

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