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However, no shortcut models are available that address retrofit.
This paper presents retrofit shortcut models for design of both reboiled and steam-stripped distillation columns.
The shortcut models for different purification units are developed via the insights of the processes.
Shortcut models are well established for grassroots design of distillation columns and have been widely applied.
In this paper, we present a nonlinear programming approach to the conceptual design of integrated reaction-separation systems using shortcut models point of operation.
These optimisation results, applying shortcut models, are useful at the initial design stage, when the range of flowsheet options and operating conditions to be explored is relatively wide.
Similar(47)
Rigorous simulations in HYSYS [AEA Technology, Hyprotech Ltd., Calgary, Canada, 2001] have shown good agreement with the shortcut model.
Another three originate from the nature-based paradigm: the natural succession model, the nature-based shortcut model, and the direct approach model.
A shortcut model in Aspen Plus is used to describe the crude oil distillation and the pinch analysis is adopted to identify the target of energy recovery.
The shortcut model for pressure swing adsorption (PSA) considering the design conditions (pressure ratio and adsorbent selectivity) is also embedded into the mathematical programming model.
This shortcut model can be used to simulate the composition and temperature of the reboiler, the top and other plates of the column in a batch extractive distillation operation.
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