Research Abstracts

We report on preliminary experience of a laboratory-size reverse osmosis desalination plant employing a photovoltaic energy source. The plant is intended for educational and research purposes. The issues investigated are briefly discussed and preliminary operation measurement data are given. Further

Cecarbonation is considered in the context of research on the prevention of scaling. To apply it to the geothermal waters of Chott El Fejjej in El Hamma (Gabes, Tunisia), we examined water characteristics having a high permanent calcic hardness (100°F) accelerating the scaling and a high temperature

For the last decade, the energy supplies has become a very preoccupying problem, not only because of the increasing difficulties bound to oil production, but also because it is necessary today to admit that at the scale of our planet the energy resources, fossil-fuel or other, are limited. The solar

Solar drying, an energy-saving process, is an efficient food conservation solution for countries that often have only sun as an energy source. Decreased energy requirements for a drying and improved dewatering process result from lower moisture fraction. This investigation focuses on the study of wa

In this study a membrane bioreactor (MBR) using white-rot fungi was used for the decolorization of dye solutions. The decolorization of dye solutions by Trametes versicolor KCTC 16781 and membrane filtration were combined, and the applicability of this process was investigated using reactive dye sol

The North-African coasts are characterized by a severe hydric stress while the potable water demand keeps increasing; this situation implies inter alias the implementation of desalination equipment with judicious types and locations. Site selection for a desalination plant is a very challenging task

This study investigated the impact of mixed liquor suspended solid (MLSS) concentrations on the performance of a membrane bioreactor for treating food industry wastewater. The membrane bioreactor was mainly made up of an activated sludge reactor and microfiltration hollow-fibre membrane. Two experim

A milk factory sited at Boudouaou (40 km from Algiers) rejects a great quantity of effluent which contains soft whey. 8,000 l are treated twice a week and are rejected into a river which supplies drinking water to the town population. Some analyses have shown an increase in the water acidity and bot

The reuse of water coming from electrolysis manufactory effluents is studied by means of the electrodeionisation technique. A neutral water stream which contains small quantities of zinc, copper, cadmium and lead is treated. Results obtained by electrodialysis and ion exchange by resins are presente

It is now common knowledge that membrane filtration processes can be considered as high performance separation techniques, not only in laboratory experiments but also in many industrial applications. With its strong development for the production of large-scale drinking water, the ultrafiltration on