The polymers are less expensive and much usually in treatment of water. And from of these polymers: the cellulose which takes important place and his chemical structure. This polysaccharide is linear withdraw in his surface ...

The aim of this work is study the degradation of a xanthene dye called "Erythrosine" (Er) in homogeneous and heterogeneous environments. In a homogeneous medium, discoloration and degradation of Er was carried out by ...

A determining of some properties of zeolites 3A, 5A, 10X, Y and 4A DG-TRISIV and the moisture content in natural gas of GL2/Z have been studied. After describing the dehydration process, the different zeolites were chosen ...

The work presented in this thesis consists of determining the distribution of electron density of an inorganic compound, the "Zinc Potassium triborate," chemical formula "KZnB3O6", by the method of X-ray diffraction for ...

The environmental concerns take, nowadays, an unceasingly increasing importance. In this context, the protection of the atmosphere by the control of the gas emissions charged in pollutants becomes a major environmental ...

The many questions raised by gallstone disease on the absorption of water of different compositions have led us to study their effect on the development of calcium oxalate stones. As the amount of water is important, the ...