Effect of chemical kinetics on feasible splits for reactive distillation

Singular points of reactive distillation systems

“…It is worth noting that Eqs. 10 and 15 can be seen as the differential analogies of the difference equations derived by Chadda et al (2001) from their flash cascades.…”

“…For this purpose, Chadda et al (2001) proposed an approach to represent the rectifying section and the stripping section of a column by two isobaric flash cascades. The stable nodes of the vapor-fed rectifying cascade and the liquid-fed stripping cascade yield potential distillate and bottom products, respectively.…”

Attainable regions of reactive distillation—Part III. Complex reaction scheme: Van de Vusse reaction

“…CSTR/PFR with vapor removal, to identify the feasible compositions that can be achieved in processes combining reaction, mixing and separation. The extension of this approach is proposed by Chadda et al (2001) to devise basic building blocks such as co-current and countercurrent rectifying or stripping cascades with liquid or vapor removal. Gadewar et al (2002) further developed the models for a cascade of vapor-liquid CSTRs, wherein, vapor and liquid flow counter-currently to each other.…”

Analysis of potential singular point surface of reactive stripping processes

“…Song et al (1997) proved experimentally the existence of these stationary points. Recently, Chadda et al (2001) reported a method based on two flash cascades, i.e., vapor-fed flash cascade and liquid-fed flash cascade, the stable nodes of which can be taken as the top and bottom products of a fully reactive distillation column. Their results implied that the singular points of batch reactive distillation cannot be applied for the rectifying section (or top products).…”