Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 2 of 2
Full-Text Articles in Chemical Engineering
Development Of Chemical Process Design And Control For Sustainability, Shuyun Li, Gaurav Mirlekar, Gerardo J. Ruiz-Mercado, Fernando V. Lima
Development Of Chemical Process Design And Control For Sustainability, Shuyun Li, Gaurav Mirlekar, Gerardo J. Ruiz-Mercado, Fernando V. Lima
Faculty & Staff Scholarship
This contribution describes a novel process systems engineering framework that couples advanced control with sustainability evaluation for the optimization of process operations to minimize environmental impacts associated with products, materials and energy. The implemented control strategy combines a biologically-inspired method with optimal control concepts for finding more sustainable operating trajectories. The sustainability assessment of process operating points is carried out by using the U.S. EPA’s Gauging Reaction Effectiveness for the ENvironmental Sustainability of Chemistries with a multi-Objective Process Evaluator (GREENSCOPE) tool that provides scores for the selected indicators in the economic, material efficiency, environmental and energy areas. The indicator scores …
Modeling And Optimization Of High-Performance Polymer Membrane Reactor Systems For Water–Gas Shift Reaction Applications, Andrew J. Radcliffe, Rajinder P. Singh, Kathryn A. Berchtold, Fernando V. Lima
Modeling And Optimization Of High-Performance Polymer Membrane Reactor Systems For Water–Gas Shift Reaction Applications, Andrew J. Radcliffe, Rajinder P. Singh, Kathryn A. Berchtold, Fernando V. Lima
Faculty & Staff Scholarship
In production of electricity from coal, integrated gasification combined cycle plants typically operate with conventional packed bed reactors for the water-gas shift reaction, and a Selexol process for carbon dioxide removal. Implementation of membrane reactors in place of these two process units provides advantages such as increased carbon monoxide conversion, facilitated CO2 removal/sequestration and process intensification. Proposed H2-selective membranes for these reactors are typically of palladium alloy or ceramic due to their outstanding gas separation properties; however, on an industrial scale, the cost of such materials may become exorbitant. High-performance polymeric membranes, such as polybenzimidazoles (PBIs), present themselves as low-cost …