The role of concentration polarization in the rejection of viruses by nanofiltration membranes

Orlando Coronell; Baoxia Mi; Benito J. Mariñas

The role of concentration polarization in the rejection of viruses by nanofiltration membranes

Orlando Coronell, Baoxia Mi, Benito J. Mariñas

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Nanofiltration (NF) membrane systems are typically operated in relatively low-pressure range. One of the main reasons is that the rejection of water contaminants by NF membranes at relatively high pressure is affected by concentration polarization. However, experimental results from this study revealed that even though the rejection of MS2 phage initially decreased when trans-membrane pressure went up, as a result of the concentration polarization effect, an increasing trend of rejection was observed with further increases in pressure in excess of a certain pressure/water flux value. This phenomenon was observed with ESNA1® (Hydranautics, Oceanside, CA) NF membranes at pH 6-7.6 and 11-25°C.

Original language	English (US)
Title of host publication	2005 Water Quality Technology Conference Proceedings, WQTC 2005
State	Published - 2005
Event	2005 Water Quality Technology Conference, WQTC 2005 - Quebec City, QC, Canada Duration: Nov 6 2005 → Nov 10 2005

Publication series

Name	2005 Water Quality Technology Conference Proceedings, WQTC 2005

Other

Other	2005 Water Quality Technology Conference, WQTC 2005
Country/Territory	Canada
City	Quebec City, QC
Period	11/6/05 → 11/10/05

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Water Science and Technology

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The role of concentration polarization in the rejection of viruses by nanofiltration membranes. / Coronell, Orlando; Mi, Baoxia; Mariñas, Benito J.
2005 Water Quality Technology Conference Proceedings, WQTC 2005. 2005. (2005 Water Quality Technology Conference Proceedings, WQTC 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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abstract = "Nanofiltration (NF) membrane systems are typically operated in relatively low-pressure range. One of the main reasons is that the rejection of water contaminants by NF membranes at relatively high pressure is affected by concentration polarization. However, experimental results from this study revealed that even though the rejection of MS2 phage initially decreased when trans-membrane pressure went up, as a result of the concentration polarization effect, an increasing trend of rejection was observed with further increases in pressure in excess of a certain pressure/water flux value. This phenomenon was observed with ESNA1{\textregistered} (Hydranautics, Oceanside, CA) NF membranes at pH 6-7.6 and 11-25°C.",

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AU - Coronell, Orlando

AU - Mi, Baoxia

AU - Mariñas, Benito J.

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N2 - Nanofiltration (NF) membrane systems are typically operated in relatively low-pressure range. One of the main reasons is that the rejection of water contaminants by NF membranes at relatively high pressure is affected by concentration polarization. However, experimental results from this study revealed that even though the rejection of MS2 phage initially decreased when trans-membrane pressure went up, as a result of the concentration polarization effect, an increasing trend of rejection was observed with further increases in pressure in excess of a certain pressure/water flux value. This phenomenon was observed with ESNA1® (Hydranautics, Oceanside, CA) NF membranes at pH 6-7.6 and 11-25°C.

AB - Nanofiltration (NF) membrane systems are typically operated in relatively low-pressure range. One of the main reasons is that the rejection of water contaminants by NF membranes at relatively high pressure is affected by concentration polarization. However, experimental results from this study revealed that even though the rejection of MS2 phage initially decreased when trans-membrane pressure went up, as a result of the concentration polarization effect, an increasing trend of rejection was observed with further increases in pressure in excess of a certain pressure/water flux value. This phenomenon was observed with ESNA1® (Hydranautics, Oceanside, CA) NF membranes at pH 6-7.6 and 11-25°C.

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SN - 9781583214077

T3 - 2005 Water Quality Technology Conference Proceedings, WQTC 2005

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T2 - 2005 Water Quality Technology Conference, WQTC 2005

Y2 - 6 November 2005 through 10 November 2005

ER -

The role of concentration polarization in the rejection of viruses by nanofiltration membranes

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