화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.16, No.4, 577-586, July, 2010
DOI10.1016/j.jiec.2010.03.016  Export Citation
Optimization of ammonia production from urea in continuous process using ASPEN Plus and computational fluid dynamics study of the reactor used for hydrolysis process
J.N. Sahu1, 2, †, V.S. Rama Krishna Chava1, Shadab Hussain1, A.V. Patwardhan3, and B.C. Meikap1, 4
  • 1Department of Chemical Engineering, Indian Institute of Technology (IIT), Kharagpur, P.O. Kharagpur Technology, West Bengal 721302, India
  • 2Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Pin 50603, Malaysia
  • 3Department of Chemical Engineering, Institute of Chemical Technology (ICT), Mumbai 400019, India
  • 4School of Chemical Engineering, University of KwaZulu-Natal, Faculty of Engineering, Howard College Campus, King George V. Avenue, Durban 4041, South Africa
E-mail:
The present study addresses the methods and means to safely produce relatively small amounts (i.e., up to 50 kg/h) of ammonia. The optimization and simulation study conducted for continuous process and effect of operation conditions like reaction temperature, initial feed concentration and pressure on ammonia production carried out using ASPEN Plus. Also, a computational fluid dynamics (CFD) model was proposed to simulate the hydrolysis of urea for synthesis of ammonia. A series of parametric studies to investigate flow rates, thermal boundary conditions and reactor geometry was performed for hydrolysis of urea and the optimized operating conditions and reactor geometry were obtained. Detailed three-dimensional flow, heat and chemistry simulations of ammonia, carbon dioxide and ammonium carbamate. The study demonstrates that simulation is a useful tool for diagnosing hydrolysis reactor mixing pathologies and for identifying practical countermeasures that could improve process performance.
Keywords:Hydrolysis of urea;Ammonia;Computational fluid dynamics (CFD);Simulation;Modelling;Optimization
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