unmodified zeolites show little affinity for anions due to the fact that their surfaces are negatively charged. however modification of zeolites with amines turns their negative surface charge to positive and creating higher adsorption capacity for anions. in this study, polyaniline-clinoptilolite composite was prepared by polymerization of anilinium on the surface of zeolite. the composite was...

The research objective of the project and article “European Ecological Network Natura 2000 – opportunities and threats” Natura 2000 sites constitute a form of environmental protection, several legal problems are likely to result. Most controversially, certain sites will be subject to two regimes of protection: as national parks and as Natura 2000 sites. This dualism of the legal regulation make...

the environment belongs to everybody, but as a result of incorrect use of natural resources by a minority and selfish groups, the environment has been polluted. the environmental specialists have stated the danger and suggested some solutions. the writer belives that besides of all solutions, there is another way which suggests the change of mans attitude towards the world and himself. in this ...