Aquademia

The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water
Mudar Harfoush 1 *
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1 Department of Environmental Engineering, K. N. Toosi University of Technology, Tehran 1996715433, IRAN
* Corresponding Author
Research Article

Aquademia, 2020 - Volume 4 Issue 1, Article No: ep20014
https://doi.org/10.29333/aquademia/8225

Published Online: 30 Apr 2020

Views: 149 | Downloads: 87

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APA 6th edition
In-text citation: (Harfoush, 2020)
Reference: Harfoush, M. (2020). The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water. Aquademia, 4(1), ep20014. https://doi.org/10.29333/aquademia/8225
Vancouver
In-text citation: (1), (2), (3), etc.
Reference: Harfoush M. The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water. AQUADEMIA. 2020;4(1):ep20014. https://doi.org/10.29333/aquademia/8225
AMA 10th edition
In-text citation: (1), (2), (3), etc.
Reference: Harfoush M. The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water. AQUADEMIA. 2020;4(1), ep20014. https://doi.org/10.29333/aquademia/8225
Chicago
In-text citation: (Harfoush, 2020)
Reference: Harfoush, Mudar. "The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water". Aquademia 2020 4 no. 1 (2020): ep20014. https://doi.org/10.29333/aquademia/8225
Harvard
In-text citation: (Harfoush, 2020)
Reference: Harfoush, M. (2020). The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water. Aquademia, 4(1), ep20014. https://doi.org/10.29333/aquademia/8225
MLA
In-text citation: (Harfoush, 2020)
Reference: Harfoush, Mudar "The Impact of Operational Conditions on Commercial Membranes using in Removing Nitrate from Drinking Water". Aquademia, vol. 4, no. 1, 2020, ep20014. https://doi.org/10.29333/aquademia/8225
ABSTRACT
It is a great advantage to reduce the energy requirement for the provision of consumable groundwater to an absolute minimum. Reverse osmosis (RO) and nanofiltration (NF) are two of the most commonly used technologies for desalination water to provide potable water with lowest energy consumption. However, there is still lack of a thorough comparison between these two methods providing the better option in different conditions. Therefore, in this paper, nitrate rejection and the effects of operation conditions on the performance of RO and NF systems are compared. Several wells in Zarch District, Iran, are polluted by nitrate and groundwater is a major drinking water source in the region. The aim of this research was to evaluate the efficiency of nitrate removal by two commercial membranes NF90 and BW30 (both Dow Filmtec) using natural water under different operating conditions. Experiments were conducted to assess the influence of temperature and pressure on nitrate removal by the membranes. The results indicated that BW30 (reverse osmosis) performs better removing nitrate than NF90 (Nano-filter). With a feed of 200 mg-NO3-.L-1 (as nitrate), only permeate from the BW30 membrane met the required quality standard for drinking purposes (50 mg-NO3-.L-1). When the feed concentration increased to 250 mg-NO3-.L-1, both membranes failed to achieve the standard in the permeate. The membranes showed similar nitrate removal behaviour under different applied temperatures and pressures. It was concluded that the BW30 membrane can be used to produce drinking water in the study area with influent concentrations below 200 mg-NO3.L-1.
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