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Simulation of full-scale reverse osmosis filtration system for the removal of N-nitrosodimethylamine from wastewater
Al-Obaidi, Mudhar A.A.R. Kara-Zaitri, Chakib
Al-Obaidi, Mudhar A.A.R.
Kara-Zaitri, Chakib
Publication Date
2018-03
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This is the peer reviewed version of the following article: Al-Obaidi MA, Kara-Zaitri C and Mujtaba IM (2018) Simulation of full-scale reverse osmosis filtration system for the removal of N-nitrosodimethylamine from wastewater. Asia-Pacific Journal of Chemical Engineering. 13(2): e2167, which has been published in final form at http://dx.doi.org/10.1002/apj.2167. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
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2017-11-21
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Abstract
Reverse osmosis (RO) is becoming one of the most promising technologies used in wastewater treatment because it offers high rate of contaminant rejection and lower energy consumption in comparison with other thermal treatment processes. Earlier research by the same authors in respect of a distributed one-dimensional mathematical model for a single spiral-wound RO membrane module based on the solution-diffusion model has been used in this paper to simulate the rejection of NDMA (N-nitrosodimethylamine) from wastewater in a series of seven RO elements full-scale treatment plant. Firstly, the applicability of this model has been evaluated using a simulation study and the results have been compared against experimental data gathered from the literature for a given plant. Secondly, further simulation and analysis studies are carried out to assess the performance of the plant for NDMA rejection and recovery rate under different operating conditions of feed pressure, flow rate, and concentration. For the studied RO configuration, it is concluded that a maximum of 55.1% NDMA rejection can be achieved, which confirms the remaining issue of lower NDMA rejection.
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Citation
Al-Obaidi MA, Kara-Zaitri C and Mujtaba IM (2018) Simulation of full-scale reverse osmosis filtration system for the removal of N-nitrosodimethylamine from wastewater. Asia-Pacific Journal of Chemical Engineering. 13(2): e2167.
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