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Izzat Iqbal Cheema

    Model-based analysis and optimisation of Haber-Bosch process designs for power-to-ammonia
    Sorption Processes
    • Nowadays, sorption is becoming one of the fastest growing techniques for the treatment of industrial effluents, because of the availability of large variety of biomaterials. A lot of experiments are being carried out to find effective biomaterials for the sorption phenomenon. The mechanism and the effectiveness of the sorption can be investigated through comparative study of experimental results with theoretical models. In this book, the sorption process is divided into two categories i.e. batch and column processes. In batch: kinetic, intraparticle-diffusion, isotherm, thermodynamics and energy models are discussed, while in column: breakthrough curves, design and operational parameter models are explained. A brief introduction of Sorption Process Simulation (SORPS) tool developed by authors is also presented. This tool is applicable on both batch and column processes and more than sixty comparative studies can be performed. Therefore it is believed that the SORPS is a comprehensive tool and has potentials to be used for industrial and research purposes. This book is designed for engineers and scientists interested in applying mathematical models to investigate sorption processes.

      Sorption Processes
    • This book contains a model-based analysis and optimisation of the Haber-Bosch designs for power-to-ammonia. The work presented helps to answer which Haber-Bosch design is suitable for the flexible operation and production by varying process variables: operational pressure, process feed temperature, process feed composition and feed flow rate. Among several Haber-Bosch design possibilities, two synthesis loops and five three-bed autothermal synthesis reactor systems are considered. The synthesis loops vary in terms of ammonia separation unit allocation, i. e. after and before a synthesis reactor system, and the reactor system configurations differ in inter-stage cooling methods. Besides, the operation and production flexibilities, design variants are also compared in terms of yield. All the Haber-Bosch designs allow operation for a large load range span via multi-variable optimisation and therefore are in principle suitable for power-to-ammonia.

      Model-based analysis and optimisation of Haber-Bosch process designs for power-to-ammonia