2. Removal and recovery of nickel from electroplating waste solution by precipitate flotation

3. Biological activated carbon fluidizedbed reactor (BAC-FBR) system for treatment of contaminated groundwater

4. Some natural catalysts behaviour in coal treatment

5. Photocatalytic oxidation of methylene blue by titanium dioxide in a photoreactor

6. Novel bifunctional catalytic systems for the SCR of NOx using hydrocarbons as reductants

7. Selective reduction of NO on Rh/alumina catalysts: effect of metal loading

8. Electric field control of NOx formation in a flame flow

9. Theory achievements of protection of environment against disperse pollutants in wastewater treatment

10. Operational results of stabilization ponds in the region of river Gallikos, Thessaloniki, Greece

11. The brine biological system and its management in the seasonal solar saltworks

12. The treatment of wastewater from breweries

13. Performance study of wastewater treatment by sand-media aerobic biological filter

14. General trends in marine pollution of the central part of Euvoikos gulf

15. Biocides from antifouling paints in the aquatic environment

16. Monitoring of lead, copper and zinc from land base sources in the gulf of Elefsis

17. Quality incides in habitats of technical works and natural flows

18. Human dietary intake of lead and cadmium from animal tissue consumption

19. Disruption of sperm production and puberty in mice by great lakes contaminants

20. Parametric dynamic modeling of the short-term effects of airpollution on children respiratory illness