Forward osmosis pretreatment of seawater to thermal desalination: High temperature FO-MSF/MED hybrid system
Forward osmosis (FO) seawater pretreatment was proposed for the removal of scale ions from seawater to the thermal desalination plant. In the current study, previously developed models were applied to estimate the effectiveness of FO pretreatment in the removal of divalent ions from feed solution to...
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| Veröffentlicht in: | Desalination 2014-04, Vol.339, p.18-25 |
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| creator | Altaee, Ali Mabrouk, Abdelnaser Bourouni, Karim Palenzuela, Patricia |
| description | Forward osmosis (FO) seawater pretreatment was proposed for the removal of scale ions from seawater to the thermal desalination plant. In the current study, previously developed models were applied to estimate the effectiveness of FO pretreatment in the removal of divalent ions from feed solution to MSF/MED at elevated temperatures. The simulation results showed that the water and salt flux across the FO membrane increased with increasing the seawater salinity. However, for given seawater salinity, the water and salt flux across the FO membrane decreased with increasing the FO recovery rate. It was found that the concentration of Ca2+, Mg2+ and SO42− ions increased with increasing the operating temperature in the thermal plant but decreased with increasing the recovery rate of the FO pretreatment. Additionally, an FO pretreatment-MED Scale Index (FMSI) was developed to determine the required FO recovery rate and avoids scale problems at different MED operating temperatures. Initially, Ryznar Scale Index (RSI) of the feed solution was calculated for different MED operating temperatures. Then, RSI was plotted against the FO recovery rates and the desirable FO recovery rate was determined from the plot based on the operating temperature of the MED plant. The scale index was also applied to determine the required mixing ratio of NF permeate-makeup water in the NF-MED desalination hybrid system. The application of the FO pretreatment-MED Scale Index has the potential to reduce the required time and resources to determine the desirable FO/NF pretreatment ratio of feed water to the MED plant.
•MSF performance at 130°C was simulated using FO for pretreatment.•Ca & SO4 ion concentrations were calculated in each MSF stage at 130°C and 111°C.•MED TBT was increased to 85°C with FO pretreatment.•An FO pretreatment-MED Scale Index was introduced to predict scale formation in FO/NF-MED system.•The index showed that FO pretreatment is more efficient than NF for scale removal. |
| doi_str_mv | 10.1016/j.desal.2014.02.006 |
| format | Article |
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•MSF performance at 130°C was simulated using FO for pretreatment.•Ca & SO4 ion concentrations were calculated in each MSF stage at 130°C and 111°C.•MED TBT was increased to 85°C with FO pretreatment.•An FO pretreatment-MED Scale Index was introduced to predict scale formation in FO/NF-MED system.•The index showed that FO pretreatment is more efficient than NF for scale removal.</description><identifier>ISSN: 0011-9164</identifier><identifier>EISSN: 1873-4464</identifier><identifier>DOI: 10.1016/j.desal.2014.02.006</identifier><identifier>CODEN: DSLNAH</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Desalination ; Drinking water and swimming-pool water. Desalination ; Exact sciences and technology ; FO pretreatment ; Forward osmosis ; High TBT thermal desalination ; Mathematical models ; Natural water pollution ; NF pretreatment ; Operating temperature ; Osmosis ; Pollution ; Pretreatment ; Recovery ; Salinity ; Sea water ; Seawater softening ; Seawaters, estuaries ; Water treatment and pollution</subject><ispartof>Desalination, 2014-04, Vol.339, p.18-25</ispartof><rights>2014</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-e346f751878acd7da3502d4bc490e04d164ef200849d56abfc44f74c27793cee3</citedby><cites>FETCH-LOGICAL-c436t-e346f751878acd7da3502d4bc490e04d164ef200849d56abfc44f74c27793cee3</cites><orcidid>0000-0002-8696-8068</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.desal.2014.02.006$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28361407$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Altaee, Ali</creatorcontrib><creatorcontrib>Mabrouk, Abdelnaser</creatorcontrib><creatorcontrib>Bourouni, Karim</creatorcontrib><creatorcontrib>Palenzuela, Patricia</creatorcontrib><title>Forward osmosis pretreatment of seawater to thermal desalination: High temperature FO-MSF/MED hybrid system</title><title>Desalination</title><description>Forward osmosis (FO) seawater pretreatment was proposed for the removal of scale ions from seawater to the thermal desalination plant. In the current study, previously developed models were applied to estimate the effectiveness of FO pretreatment in the removal of divalent ions from feed solution to MSF/MED at elevated temperatures. The simulation results showed that the water and salt flux across the FO membrane increased with increasing the seawater salinity. However, for given seawater salinity, the water and salt flux across the FO membrane decreased with increasing the FO recovery rate. It was found that the concentration of Ca2+, Mg2+ and SO42− ions increased with increasing the operating temperature in the thermal plant but decreased with increasing the recovery rate of the FO pretreatment. Additionally, an FO pretreatment-MED Scale Index (FMSI) was developed to determine the required FO recovery rate and avoids scale problems at different MED operating temperatures. Initially, Ryznar Scale Index (RSI) of the feed solution was calculated for different MED operating temperatures. Then, RSI was plotted against the FO recovery rates and the desirable FO recovery rate was determined from the plot based on the operating temperature of the MED plant. The scale index was also applied to determine the required mixing ratio of NF permeate-makeup water in the NF-MED desalination hybrid system. The application of the FO pretreatment-MED Scale Index has the potential to reduce the required time and resources to determine the desirable FO/NF pretreatment ratio of feed water to the MED plant.
•MSF performance at 130°C was simulated using FO for pretreatment.•Ca & SO4 ion concentrations were calculated in each MSF stage at 130°C and 111°C.•MED TBT was increased to 85°C with FO pretreatment.•An FO pretreatment-MED Scale Index was introduced to predict scale formation in FO/NF-MED system.•The index showed that FO pretreatment is more efficient than NF for scale removal.</description><subject>Applied sciences</subject><subject>Desalination</subject><subject>Drinking water and swimming-pool water. Desalination</subject><subject>Exact sciences and technology</subject><subject>FO pretreatment</subject><subject>Forward osmosis</subject><subject>High TBT thermal desalination</subject><subject>Mathematical models</subject><subject>Natural water pollution</subject><subject>NF pretreatment</subject><subject>Operating temperature</subject><subject>Osmosis</subject><subject>Pollution</subject><subject>Pretreatment</subject><subject>Recovery</subject><subject>Salinity</subject><subject>Sea water</subject><subject>Seawater softening</subject><subject>Seawaters, estuaries</subject><subject>Water treatment and pollution</subject><issn>0011-9164</issn><issn>1873-4464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkUFv1DAQhS0EEkvLL-DiCxKXpHY86yRIHFDbpUitegDOlteesF6SePF4W-2_r9utOKKeRiN9b97MPMY-SFFLIfXZtvZIdqwbIaEWTS2EfsUWsmtVBaDhNVsIIWXVSw1v2TuibWmbXqkF-7OK6d4mzyNNkQLxXcKc0OYJ58zjwAntvc2YeI48bzBNduRPZmG2OcT5M78Kvzc847TDZPM-IV_dVjc_Vmc3lxd8c1in4DkdqACn7M1gR8L3z_WE_Vpd_jy_qq5vv30__3pdOVA6V6hAD-2ybN9Z51tv1VI0HtYOeoECfDkCh0aIDnq_1HY9OIChBde0ba8cojphn45zdyn-3SNlMwVyOI52xrgnI_VSghQa1AtQ1fc9tF1TUHVEXYpECQezS2Gy6WCkMI8pmK15eox5TMGIxpQUiurjs4ElZ8ch2dkF-idtOqUliLZwX44clsfcBUyGXMDZoQ8JXTY-hv_6PACI_J6M</recordid><startdate>20140415</startdate><enddate>20140415</enddate><creator>Altaee, Ali</creator><creator>Mabrouk, Abdelnaser</creator><creator>Bourouni, Karim</creator><creator>Palenzuela, Patricia</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7TN</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>SOI</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><orcidid>https://orcid.org/0000-0002-8696-8068</orcidid></search><sort><creationdate>20140415</creationdate><title>Forward osmosis pretreatment of seawater to thermal desalination: High temperature FO-MSF/MED hybrid system</title><author>Altaee, Ali ; Mabrouk, Abdelnaser ; Bourouni, Karim ; Palenzuela, Patricia</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-e346f751878acd7da3502d4bc490e04d164ef200849d56abfc44f74c27793cee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied sciences</topic><topic>Desalination</topic><topic>Drinking water and swimming-pool water. Desalination</topic><topic>Exact sciences and technology</topic><topic>FO pretreatment</topic><topic>Forward osmosis</topic><topic>High TBT thermal desalination</topic><topic>Mathematical models</topic><topic>Natural water pollution</topic><topic>NF pretreatment</topic><topic>Operating temperature</topic><topic>Osmosis</topic><topic>Pollution</topic><topic>Pretreatment</topic><topic>Recovery</topic><topic>Salinity</topic><topic>Sea water</topic><topic>Seawater softening</topic><topic>Seawaters, estuaries</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Altaee, Ali</creatorcontrib><creatorcontrib>Mabrouk, Abdelnaser</creatorcontrib><creatorcontrib>Bourouni, Karim</creatorcontrib><creatorcontrib>Palenzuela, Patricia</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Desalination</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Altaee, Ali</au><au>Mabrouk, Abdelnaser</au><au>Bourouni, Karim</au><au>Palenzuela, Patricia</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Forward osmosis pretreatment of seawater to thermal desalination: High temperature FO-MSF/MED hybrid system</atitle><jtitle>Desalination</jtitle><date>2014-04-15</date><risdate>2014</risdate><volume>339</volume><spage>18</spage><epage>25</epage><pages>18-25</pages><issn>0011-9164</issn><eissn>1873-4464</eissn><coden>DSLNAH</coden><abstract>Forward osmosis (FO) seawater pretreatment was proposed for the removal of scale ions from seawater to the thermal desalination plant. In the current study, previously developed models were applied to estimate the effectiveness of FO pretreatment in the removal of divalent ions from feed solution to MSF/MED at elevated temperatures. The simulation results showed that the water and salt flux across the FO membrane increased with increasing the seawater salinity. However, for given seawater salinity, the water and salt flux across the FO membrane decreased with increasing the FO recovery rate. It was found that the concentration of Ca2+, Mg2+ and SO42− ions increased with increasing the operating temperature in the thermal plant but decreased with increasing the recovery rate of the FO pretreatment. Additionally, an FO pretreatment-MED Scale Index (FMSI) was developed to determine the required FO recovery rate and avoids scale problems at different MED operating temperatures. Initially, Ryznar Scale Index (RSI) of the feed solution was calculated for different MED operating temperatures. Then, RSI was plotted against the FO recovery rates and the desirable FO recovery rate was determined from the plot based on the operating temperature of the MED plant. The scale index was also applied to determine the required mixing ratio of NF permeate-makeup water in the NF-MED desalination hybrid system. The application of the FO pretreatment-MED Scale Index has the potential to reduce the required time and resources to determine the desirable FO/NF pretreatment ratio of feed water to the MED plant.
•MSF performance at 130°C was simulated using FO for pretreatment.•Ca & SO4 ion concentrations were calculated in each MSF stage at 130°C and 111°C.•MED TBT was increased to 85°C with FO pretreatment.•An FO pretreatment-MED Scale Index was introduced to predict scale formation in FO/NF-MED system.•The index showed that FO pretreatment is more efficient than NF for scale removal.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.desal.2014.02.006</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-8696-8068</orcidid></addata></record> |
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| subjects | Applied sciences Desalination Drinking water and swimming-pool water. Desalination Exact sciences and technology FO pretreatment Forward osmosis High TBT thermal desalination Mathematical models Natural water pollution NF pretreatment Operating temperature Osmosis Pollution Pretreatment Recovery Salinity Sea water Seawater softening Seawaters, estuaries Water treatment and pollution |
| title | Forward osmosis pretreatment of seawater to thermal desalination: High temperature FO-MSF/MED hybrid system |
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