|A water saving methodology for the efficient development of biorefineries
| Nikolakopoulos, A., Karagiannakis, P., Galanis, A., Kokossis, A.
|Computer Aided Chemical Engineering, vol.30, p.7-10
|Biorefineries; Mathematical modeling; Relative residuals; Water integration
|The paper addresses the complexities of biorefinery models in regards of minimizing water consumption, and offers paradigms of integration between mathematical programming methods and Water Pinch Analysis. In a new framework the Relative Residual Analysis (RRA) is introduced as a targeting tool of enhanced precision. Integrated water network designs are driven by RRA and accomplished through optimization of superstructure models (SM). The approach is illustrated through a water minimization problem in a real life bio-refinery, and mathematical formulations take the form of MILP and NLP models. Water targets report ∼18 % savings of use in the case of re-use, and ∼58% in the case of recycle-regeneration. © 2012 Elsevier B.V.
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