A novel hybrid forward osmosis - nanofiltration (FO-NF) process for seawater desalination: Draw solution selection and system configuration
A hybrid forward osmosis-nanofiltration (FO-NF) process for seawater desalination is proposed in this study. Seven potential draw solutions for the FO-NF process were investigated using laboratory-scale forward osmosis (FO) and nanofiltration (NF) test cells. Results from both FO and NF tests sugges...
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| Veröffentlicht in: | Desalination and water treatment 2010-01, Vol.13 (1-3), p.356-361 |
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| container_title | Desalination and water treatment |
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| creator | Tan, C.H. Ng, H.Y. |
| description | A hybrid forward osmosis-nanofiltration (FO-NF) process for seawater desalination is proposed in this study. Seven potential draw solutions for the FO-NF process were investigated using laboratory-scale forward osmosis (FO) and nanofiltration (NF) test cells. Results from both FO and NF tests suggested that the hybrid FO-NF process is a feasible process for seawater desalination. Water fluxes of about 10 L/m2 h, for both FO and NF processes could be achieved. Solute rejection of the FO membrane was maintained at over 99.4% for all seven draw solutes tested. Solute rejection of the NF membrane for the four selected draw solutions could achieve a maximum of 97.9%. A hybrid FO-NF process with two-pass NF regeneration is proposed to achieve good quality product water that meets the recommended drinking water total dissolved solids (TDS) guideline, of 500 mg/L from the World Health Organisation. It is possible to desalinate seawater with this system configuration to obtain product water with TDS of 113.6 mg/L. Finally, MgSO4 and Na2SO4 are proposed as the most likely draw solution for the hybrid process. |
| doi_str_mv | 10.5004/dwt.2010.1733 |
| format | Article |
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Seven potential draw solutions for the FO-NF process were investigated using laboratory-scale forward osmosis (FO) and nanofiltration (NF) test cells. Results from both FO and NF tests suggested that the hybrid FO-NF process is a feasible process for seawater desalination. Water fluxes of about 10 L/m2 h, for both FO and NF processes could be achieved. Solute rejection of the FO membrane was maintained at over 99.4% for all seven draw solutes tested. Solute rejection of the NF membrane for the four selected draw solutions could achieve a maximum of 97.9%. A hybrid FO-NF process with two-pass NF regeneration is proposed to achieve good quality product water that meets the recommended drinking water total dissolved solids (TDS) guideline, of 500 mg/L from the World Health Organisation. It is possible to desalinate seawater with this system configuration to obtain product water with TDS of 113.6 mg/L. Finally, MgSO4 and Na2SO4 are proposed as the most likely draw solution for the hybrid process.</description><identifier>ISSN: 1944-3986</identifier><identifier>ISSN: 1944-3994</identifier><identifier>EISSN: 1944-3986</identifier><identifier>DOI: 10.5004/dwt.2010.1733</identifier><language>eng</language><publisher>L'Aquila: Elsevier Inc</publisher><subject>Applied sciences ; Drinking water and swimming-pool water. 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Seven potential draw solutions for the FO-NF process were investigated using laboratory-scale forward osmosis (FO) and nanofiltration (NF) test cells. Results from both FO and NF tests suggested that the hybrid FO-NF process is a feasible process for seawater desalination. Water fluxes of about 10 L/m2 h, for both FO and NF processes could be achieved. Solute rejection of the FO membrane was maintained at over 99.4% for all seven draw solutes tested. Solute rejection of the NF membrane for the four selected draw solutions could achieve a maximum of 97.9%. A hybrid FO-NF process with two-pass NF regeneration is proposed to achieve good quality product water that meets the recommended drinking water total dissolved solids (TDS) guideline, of 500 mg/L from the World Health Organisation. It is possible to desalinate seawater with this system configuration to obtain product water with TDS of 113.6 mg/L. Finally, MgSO4 and Na2SO4 are proposed as the most likely draw solution for the hybrid process.</description><subject>Applied sciences</subject><subject>Drinking water and swimming-pool water. Desalination</subject><subject>Exact sciences and technology</subject><subject>Forward osmosis</subject><subject>Nanofiltration</subject><subject>Pollution</subject><subject>Seawater desalination</subject><subject>Water treatment and pollution</subject><issn>1944-3986</issn><issn>1944-3994</issn><issn>1944-3986</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkU9v1DAQxaMKpFalx959QcAhxXH8Z8OtKiwgVfRCz9bEGYOR1y6ebFf7GfjSOLsV4oKELx5Lv_fGM69pLjt-pTiXb6fdfCV4fXWm70-as26Qsu2HlX72V33aXBD94PUoaZQUZ82va5byI0b2fT-WMDGfyw7KxDJtMgViLUuQsg9xLjCHnNjr9V37Zf2GPZTskGgRMELYwYyFTUgQQzqQ79j7AjtGOW4PQsKI7lBBmhjtacYNczn58G179H7RPPcQCS-e7vPmfv3h682n9vbu4-eb69vWSanmVk2Gq5HXYaXqhUcPfhx77Y0SutMSR4crrrippYbRSOGG3o1u4GAMjE72582ro2-d4ecWababQA5jhIR5S9ZILYaV4MN_kL3u5KBUJdsj6UomKujtQwkbKHvbcbsEZGtAdgnILgFV_uWTM5CD6AskF-iPSAjF9UovPzBHDutCHgMWSy5gcjiFUtdppxz-0eE39GmlTA</recordid><startdate>201001</startdate><enddate>201001</enddate><creator>Tan, C.H.</creator><creator>Ng, H.Y.</creator><general>Elsevier Inc</general><general>Desalination Publications</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>201001</creationdate><title>A novel hybrid forward osmosis - nanofiltration (FO-NF) process for seawater desalination: Draw solution selection and system configuration</title><author>Tan, C.H. ; Ng, H.Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-5d705b02014532fefafbb36f7526164ebce8050764e6ab742c93cbc90a77abc43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Drinking water and swimming-pool water. 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Seven potential draw solutions for the FO-NF process were investigated using laboratory-scale forward osmosis (FO) and nanofiltration (NF) test cells. Results from both FO and NF tests suggested that the hybrid FO-NF process is a feasible process for seawater desalination. Water fluxes of about 10 L/m2 h, for both FO and NF processes could be achieved. Solute rejection of the FO membrane was maintained at over 99.4% for all seven draw solutes tested. Solute rejection of the NF membrane for the four selected draw solutions could achieve a maximum of 97.9%. A hybrid FO-NF process with two-pass NF regeneration is proposed to achieve good quality product water that meets the recommended drinking water total dissolved solids (TDS) guideline, of 500 mg/L from the World Health Organisation. It is possible to desalinate seawater with this system configuration to obtain product water with TDS of 113.6 mg/L. 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| identifier | ISSN: 1944-3986 |
| ispartof | Desalination and water treatment, 2010-01, Vol.13 (1-3), p.356-361 |
| issn | 1944-3986 1944-3994 1944-3986 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Applied sciences Drinking water and swimming-pool water. Desalination Exact sciences and technology Forward osmosis Nanofiltration Pollution Seawater desalination Water treatment and pollution |
| title | A novel hybrid forward osmosis - nanofiltration (FO-NF) process for seawater desalination: Draw solution selection and system configuration |
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