Reverse-Osmosis Desalination of Water Powered by Photo-Voltaic Modules: Recent Study

The rising of the world’s population leads automatically to the rising of water demand. As a
consequence the lack of drinking water increases. Currently, approximately 1.2 billion people globally
(one-sixth of the world’s population) do not have access to adequate clean water. Since a large part of
the world’s population is concentrated in coastal areas, the desalination of seawater seems to be a
promising solution, especially in our Arab world. An innovative stand-alone solar desalination system
could be used to produce drinking water from seawater or any brackish water sources. The great
advantage of such a system is that it combines efficient desalination technology, reverse osmosis,
with a renewable energy source, the main goal is improving the technical feasibility of such systems,
There are many advantages of this coupling with RE resources ; first of all we separate the drinking
water from the electricity grid and its faults, save the burning fossil fuel and its emissions and can
provide fresh water to remote communities that do not have sufficient traditional energy sources; But
as we see in the thesis we don’t have economic benefit; because these project depend on the
electricity cost in each country and its location and its solar specifications.
We design and implement a small laboratorial model for PV-RO (Photo-Voltaic Powered Reverse
Osmosis) to recognize the its performance for seawater and brackish water, many of the problems are
interrupted such as embargo on Syria; so we see this project has to be done according to affordable
local potentialities, but we crave to keep the principle of operation, So we make it for the tap water
which close to brackish.

Author(s) Details

Ammar Alkhatib
National Laser Sensor, Bavaria, Ismaning, Germany.

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