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The effect of operating conditions on the performance of a vacuum membrane distillation unit using pes flat sheet membrane / Adel Fayez Gaid Abdelsaid ; Supervised Khaled Zaher Abdalla , Minerva Edward Matta , Heba Abdallah

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Adel Fayez Gaid Abdelsaid , 2021Description: 116 P. : charts , facsimiles ; 30mOther title:
  • تاثير ظروف التشغيل علي اداء وحدة تحلية مياة البحر باستخدام نظام التقطير الغشائى الفراغى باستخدام غشاء رقيق من البولى ايثر سلفون [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: Vacuum Membrane Distillation (VMD) is a new separation technology based on the evaporation of saline water through hydrophobic porous membranes by applying vacuum pressure on the permeate side of the membrane to desalinate seawater. A lab scale experimental model was constructed and operated using hydrophobic polyethersulfone flat sheet membrane (PES), modified PES membrane, and PVDF membrane to study the effect of operating conditions on the performance of the VMD unit. Resultant permeate flux and salt rejection were measured for the following operating conditions: feed flow temperature (25-40-50-60-70{u00B0}C), flow rate (1-1.2-1.3-1.4-1.5-1.6 L/min), salt concentration (5000, 10000, 15000 and 30000 ppm), and vacuum pressure (-0.2,-0.3,-0.4,-0.5 Bar). Results showed an increase in permeate flux due to increased temperature, flow rate and vacuum pressure, while it decreased with the increase in salt concentration. An increase in salt rejection was observed due to increased temperature, feed flow rate and vacuum pressure, while it decreased with the increase in salt concentration. An increase in salt rejection was observed due to increased membrane contact angle (membrane hydrophobicity). The system can be used at room temperature and low pressure (decrease energy cost), the system satisfy the allowable values for treated water for drinking water
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.Ph.D.2021.Ad.E (Browse shelf(Opens below)) Not for loan 01010110083871000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.Ph.D.2021.Ad.E (Browse shelf(Opens below)) 83871.CD Not for loan 01020110083871000

Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

Vacuum Membrane Distillation (VMD) is a new separation technology based on the evaporation of saline water through hydrophobic porous membranes by applying vacuum pressure on the permeate side of the membrane to desalinate seawater. A lab scale experimental model was constructed and operated using hydrophobic polyethersulfone flat sheet membrane (PES), modified PES membrane, and PVDF membrane to study the effect of operating conditions on the performance of the VMD unit. Resultant permeate flux and salt rejection were measured for the following operating conditions: feed flow temperature (25-40-50-60-70{u00B0}C), flow rate (1-1.2-1.3-1.4-1.5-1.6 L/min), salt concentration (5000, 10000, 15000 and 30000 ppm), and vacuum pressure (-0.2,-0.3,-0.4,-0.5 Bar). Results showed an increase in permeate flux due to increased temperature, flow rate and vacuum pressure, while it decreased with the increase in salt concentration. An increase in salt rejection was observed due to increased temperature, feed flow rate and vacuum pressure, while it decreased with the increase in salt concentration. An increase in salt rejection was observed due to increased membrane contact angle (membrane hydrophobicity). The system can be used at room temperature and low pressure (decrease energy cost), the system satisfy the allowable values for treated water for drinking water

Issued also as CD

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