Semicontinuous, middle-vessel, extractive distillation

Phimister, James R.; Seider, Warren D.

doi:10.1016/s0098-1354(00)00344-6

Cited by 27 publications

(18 citation statements)

References 4 publications

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“…[17] Semicontinuous processes have been developed for ternary non-azeotropic distillation, azeotropic distillation, extractive distillation and semicontinuous distillation with chemical reaction. [18][19][20][21][22][23][24] Adams and Seider [18][19][20] showed that semicontinuous systems can possess lower lifetime costs than traditional continuous and batch processes at intermediate production rates in many cases.…”

Section: Introductionmentioning

confidence: 99%

Semicontinuous separation of dimethyl ether (DME) produced from biomass

Pascall¹,

Adams²

2013

Can J Chem Eng

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A ternary semicontinuous system for the separation of bio-dimethyl ether from methanol and water is presented. The performance of eight potential control configurations, including the application of temperature inferential control, is evaluated. Dynamic simulations of the semicontinuous system and associated control scheme demonstrate that the temperature inferential control configuration is effective in achieving the separation objectives while remaining within operational limits. The semicontinuous system using the inferential temperature control scheme is simulated and shown to be economically preferable to the traditional continuous process for a range of production rates.

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Section: Introductionmentioning

confidence: 99%

Semicontinuous separation of dimethyl ether (DME) produced from biomass

Pascall¹,

Adams²

2013

Can J Chem Eng

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“…will be called Solvent-enhanced batch distillation SBD . Depending on the application of the rectifier, stripper, or a mid-Ž dle vessel column Safrit et al, 1995;Cheong and Barton, 1999;Warter and Stichlmair, 1999;Phimister and Seider, . 2000 versions of BED can also be distinguished; however, here we will simply use the term BED for batch extractive distillation in a rectifier.…”

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confidence: 99%

Batch extractive distillation of maximal azeotrope with middle boiling entrainer

et al. 2002

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“…The ratio of minimum to maximum flow depends on the specifics of the particular column. It is commonly believed that this ratio for a sieve tray distillation column is in the range of 0.25-1, and higher turndown ratio are believed to be possible for bubble-cap and valve trays (Kelleher and James, 1996;Phimister and Seider, 2000). For the case study, we use a baseline value of 0.5 for both distillation and VCSS columns.…”

Section: Parametric Analysismentioning

confidence: 99%