RESSA Renewable Energy Source is delighted to announce our association with IDE PROGREEN. 
Not only do IDE PROGREEN have a modular version of desalination plants but they also are chemical FREE.
http://www.ide-tech.com/progreen-main/chemical-free-desalination-technology-2/
We attended a brilliant industrial energy efficiency conference in Durban hosted by NCPC last week. A very informative conference with lots of new ideas relating to energy efficiency, funding for energy projects, water costs, usage, contamination and footprinting.
See the full conference program at http://ncpc.co.za/conference-2015