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In this study, solar energy was utilized to distillate and purify saline water throw a single slope solar still. The used solar still is from the conventional type which is one of the best solutions to overcome the lack of drinking water in remote arid areas. It consists of square basin of area 1 m2, black box fitted with saline water, and transparent glass cover with 4 mm thick.  The experiment was conducted at four saline water depths (1, 2, 3 and 4 cm from the still bottom) and at two levels of water  salinty (15000 ppm  and 35000 ppm). Several experiments carried out (January, February, March and April 2018). Experiment was carried out on single slope solar still designed and installed at Solar Energy Laboratory, Department of Agricultural Engineering, Faculty of Agriculture, Ain Shams University, Cairo (φ=30°N) from 8:00 am to 6:00 pm.  Results proved that the maximum quantity of distillate water rate was 2372 mL at water depth of 1cm and water salinity of 15000 ppm. While, the minimum value of distillate water rate was 1002 mL/h at water depth of 4 cm with salinity 35000 ppm. The average of distillate water in April was 2322 mL. while, the average of distillate water in January was 1095.5 mL. It is recommended to use a single slope solar still because it is cheap, easy to maintain and gives better efficiency.

USING OF SINGLE SLOPE SOLAR STILL FOR SALINE WATER DESALINATION