Modeling and Numerical Simulation of Ammonia Stripping from Industrial Wastewater Streams

Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

NCFDACCI03_050

تاریخ نمایه سازی: 17 دی 1389

Abstract:

Ammonia removal from water was studied experimentally and theoretically by means of a hollow-fiber membrane contactor (HFMC). Aqueous solution of NH3 flowed as feed in the lumen side of membrane contactor while sulfuric acid was used as stripper in the shell side. An unsteady state and 2D mathematical model was developed to study ammonia stripping in the HFMC. The model was implemented in linked MATLAB-COMSOL Multiphysics. COMSOL software was applied to solve the model equations for the contactor while MATLAB software was employed to consider changes in the feed tank’s concentrations. Modeling predictions were then validated with the experimental data and were found to be in good agreement.

Authors

Mashallah Rezakazemi

Research Centre for Membrane Separation Processes, Faculty of Chemical Engineering University of Science and Technology (IUST), Narmak, Tehran, Iran

Saeed Shirazian

Research Centre for Membrane Separation Processes, Faculty of Chemical Engineering University of Science and Technology (IUST), Narmak, Tehran, Iran

Toraj Mohammadi

Research Centre for Membrane Separation Processes, Faculty of Chemical Engineering University of Science and Technology (IUST), Narmak, Tehran, Iran

Afshin Pak

Engineering Department, Iranian Central Oil Fields Company (ICOFC), Tehran, Iran

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