Laboratory setup for water purification using household PV-driven reverse osmosis unit

Qiblawey, Hazim; Banat, Fawzi; Al-Nasser, Qais
July 2009
Desalination & Water Treatment;Jul2009, Vol. 7 Issue 1-3, p53
Academic Journal
Water treatment using renewable energies as a power source is still not common due to the high initial investment cost. The possibility of using photovoltaics (PV) as a power source to run a household RO unit has been investigated. Experiments on the laboratory household unit were performed using water with two different total dissolved solid (TDS) concentrations (350 mg/L and 720 mg/L). During the period from February 28, 2007 to November 30, 2007 the unit was entirely powered by photovoltaic cells and operated with and without storage batteries. Without batteries the rate of production of fresh water varied throughout the day according to the available solar power, but was steady when operated with batteries. The specific energy consumption ranged from 1.1 kWh/m³ to 4.3 kWh/m³ for the battery system and ranged from 1.1 kWh/m³ to 1.5 kWh/m³ for the battery-less system. Two membranes (CSM and FILMTEC) were utilized. The CSM membrane was used from February 28, 2007 to June 18, 2007 (period of storage batteries), while the FILMTEC membrane was used during the battery-less period from October 1, 2007 to November 30, 2007. The FILMTEC membrane performed better than the CSM membrane, producing, on average, 8 L/h of drinking water (about 16 mg/L. TDS) at specific energy consumption of 1.3 kWh/m³. Several effects on the performance of the RO unit were investigated, but the temperature effect was the most significant.


Related Articles

  • Surface-structured RO membrane couples fouling resistance with flux.  // Chemical Engineering;May2010, Vol. 117 Issue 5, p18 

    The article highlights the development of a category of highly permeable reverse-osmosis (RO) membranes for the desalination of water at the University of California in Los Angeles.

  • Large-diameter reverse osmosis product lowers cost and reduces footprint.  // Chemical Engineering;Jan2010, Vol. 117 Issue 1, p11 

    The article reveals the large-diameter reverse osmosis (RO) elements and pressure vessels developed by Koch Membrane Systems Inc. which offers cost savings and reduced carbon footprints in seawater desalination.

  • Multistage Pressure-Retarded Osmosis. Bharadwaj, Devesh; Struchtrup, Henning; Fyles, Thomas M. // Journal of Non-Equilibrium Thermodynamics;Oct2016, Vol. 41 Issue 4, p327 

    One promising sustainable energy source is the chemical potential difference between salt and freshwater. The membrane process of pressure-retarded osmosis (PRO) has been the most widely investigated means to harvest salinity gradient energy. In this report, we analyse the thermodynamic...

  • A treatment process for coal-hed-methane-extraction water. Ondrey, Gerald // Chemical Engineering;Jul2012, Vol. 119 Issue 7, p10 

    The article focuses on a coal bed methane extraction water treatment process. It states that water produced from coal-bed methane wells is high salinity with a significant level of dissolved solids. It mentions technologies to treat the water include ion exchange, evaporation, reverse osmosis,...

  • Abu Dhabi launches latest billion-dollar power scheme. RATCLIFFE, VERITY // MEED: Middle East Economic Digest;6/29/2012, Vol. 56 Issue 26, p14 

    The article looks at Abu Dhabi's plan for an independent water and power project (IWPP) to be built at Mirfa, United Arab Emirates. It reports that the country's Water & Electricity Authority (Adwea) has taken the initial steps toward selecting a contractor to build and operate the combined...

  • Optimization of Water Resources Planning for Jordan's Aqaba Special Economic Zone. Elimam, Abdelghani A.; Girgis, Maurice A. // Interfaces;Nov/Dec2012, Vol. 42 Issue 6, p528 

    In this paper, we discuss the development of a water resources planning decision support system (DSS) for Jordan's Aqaba Special Economic Zone (ASEZ). Our objectives are to conserve fresh water supplies and minimize overall water production and delivery costs. Aqaba currently relies entirely on...

  • Optimal Sizing of Hybrid Renewable Energy System for Seawater Reverse Osmosis Desalination System. Abd-El Mageed, Heba S.; Farghally, Hanaa M.; Fahmy, Faten H.; Abuo-Elmagd, Mohamed A. // International Journal of Chemical & Environmental Engineering;Aug2013, Vol. 4 Issue 4, p260 

    At the present, the problem of fresh water shortage faced by most countries is a result of consumption increase and population growth. Desalination technologies improve water quality, greatly reduce water shortage problems, and improve quality of life and economic status. Conventional...

  • Smart water grid: desalination water management platform. Hong, Junhee; Lee, Wanhee; Ha Kim, Joon; Kim, Jongwook; Park, Ieryung; Har, Dongsoo // Desalination & Water Treatment;Feb2016, Vol. 57 Issue 7, p2845 

    This paper presents a desalination process powered by a microgrid. Desalination is critically important for many countries demanding potable water beyond that available in nature. The desalination process requires a stable power supply system. As the stable power supply system, microgrid, which...

  • Scaleup planned for a scale-reducing RO process.  // Chemical Engineering;Nov2009, Vol. 116 Issue 12, p16 

    The article focuses on the research and development of a new desalination technology by the Rotec Chemicals Ltd. in Ashkelon, Israel. It states that the technology increases water-recovery rate up to 95 percent by the process of reverse osmosis (RO) systems. It mentions that the company is...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics