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Water Treatment/Desalination

France Increases Public Support for Solar Thermal

Submitted by Baerbel Epp on December 11, 2015

The French energy agency Ademe has been supporting renewable heat production in the industry, the district heating sector and at multi-family buildings since 2009. The budget of the national subsidy scheme, Fonds Chaleur (Heat Fund), will double in amount from around EUR 240 million per year to EUR 420 million in 2017. During 2009 to 2014, solar installations accounted for as little as 6 % of Fonds Chaleur's EUR 1.2 billion (see the attached report). Despite the high subsidy amount, the number of solar thermal applications is declining, as is the French solar market in general. Ademe is trying to counter the negative trend by offering new incentive schemes to address the large solar systems segments.
Source: Ademe

Solar Electric and Solar Thermal Energy: A Summary of Current Technologies (2014)

Submitted by Francesco Gattiglio on June 26, 2015

This document, written by Tayyebatossadat P. Aghaei of the Global Energy Network Institute (GENI), illustrates the different applications of solar thermal and photovoltaic technology. 

After a brief introduction on the history of solar energy, the document firstly explains the functioning of large scale solar thermal technology systems, differentiating between flat-plate collectors and concentrator collectors. This section includes also graphic representations of the different systems.

Solar Thermal—Driven Desalination Plants Based on Membrane Distillation (2003)

Submitted by Raquel Ponte Costa on June 20, 2015

The following report was prepared by Fraunhofer-Institut Fur Solare Energiesysteme (ISE) and explains how the correspondence between the lack of drinking water in arid and semi – arid regions, could be beneficial for the use of solar thermal energy as the driving force behind water treatment systems in these areas.

The report goes into great detail explaining (MD) membrane distillation, and the important advantages this technique holds with regards to solar-driven, stand- alone operating systems.

Design, Development, and Performance Evaluation of Solar Heating System for Disinfection of Domestic Roof-Harvested Rainwater (2014)

Submitted by Francesco Gattiglio on April 23, 2015

This research article proposes the use of a box-type solar heater for the disinfection of domestic roof-harvested rainwater in Ibadan, Nigeria. Solar water heater can be used to pasteurize water thereby destroying bacteria and viruses when heated to temperatures of about 65°C.

Experiences, Challenges and Barriers on Solar Thermal Energy in Ghana (2014)

Submitted by Francesco Gattiglio on April 17, 2015

This document was presented at the ECOWAS Solar Thermal Energy Capacity Building and Demonstration Programme conference held on 13 and 14 June 2014 in Praia, Cape Verde. The document, presented by Atsu Divine of the Koforidua Polytechnic of Ghana, explains why Ghana needs solar thermal technology for its development.

Thermal Desalination Driven by an Innovative Salinity Gradient Solar Pond Located in the Coastal Waters of Open Seas (2015)

Submitted by Francesco Gattiglio on April 10, 2015

This presentation, prepared by Dr. Ir. Ing. Dick G. Klaren of Klaren International, proposes the use of a salinity gradient solar pond (SGSP) in coastal waters as renewable energy source for thermal desalination. The document was presented at the CWC Technical Seminars featured at the Saudi Water & Power Forum (SWPF), held between 12 and 14 January in Riyadh, in the Kingdom of Saudi Arabia.

Solar Energy in Spain (2009)

Submitted by Raquel Ponte Costa on April 6, 2015

The solar potential in Spain is the highest in Europe because of its privileged location and climate.  Solar energy offers many advantages with respect to conventional energy, since it deals with a stream of energy that is free, clean and limitless. 

Solar thermal polygeneration system for cooling, fresh water and domestic hot water supply: Experimental analysis (2014)

Submitted by Francesco Gattiglio on April 1, 2015

In this paper, presented at the World Renewable Energy Congress of London of 3-8 August 2014, a solar-thermal poly-generation system for chilled water for air conditioning using absorption chiller, pure water with membrane distiller and domestic hot water by heat recovery is presented. 

Consideration of Impacts on Water Quality and Quantity in the WREZ Process (2003)

Submitted by Raquel Ponte Costa on March 29, 2015

Throughout much of the Western U.S., water is a scarce resource. Growing cities and power plants often compete directly with the agricultural sector - and environmental needs - for limited water supplies. Developing new, renewable energy supplies will have varied impacts on water resources. It is important that, in the process, renewable energy development does not contribute to or exacerbate water supply and quality challenges.

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