2 Ergebnisse.

Upgrading the utilization of rice straw, as undesirable agricultural waste, in production porous material (active carbon), will provide the economical together with the environmental requirements in commercial product. Moreover, we candidate the activating agents, and other production parameters (stage and temperature), which provide porous carbon, with higher surface area, possible for gas or liquids purification.

Egypt, as well as other countries, is facing shortage of water due to the increase of its population and the lack of water sources, especially at desert areas. The nature of soils in deserts is sandy and sandy calcareous soils. Such soils are poor with respect to their physico-bio-chemical properties, soil water plant-relationships, as well as their nutritional status. On the other hand, the gropes culture in Egypt induces large amounts of res...