José L. Ovelleiro

TL;DR: The degradation of the compounds present in a previously chlorinated wastewater resulting from the production of azoic dyes has been studied in this article, where the first step developed was the characterization of the spillage water by GC/MS and GC/FID.

TL;DR: Preoxidation by chlorine or ozone, chemical precipitation with aluminium sulphate and activated carbon adsorption was found to be the most efficient among the techniques studied for degrading the majority of the studied pesticides.

TL;DR: This work studies the presence of a total number of 44 substances found in waters of the Ebro river basin (Spain), all included in the Pesticides Control Network, whose purpose is to monitor diffuse pollution of surface waters caused by pesticides contained in some of the dangerous substances lists established in existing legislation.

TL;DR: In this paper, the results obtained with heterogeneous catalytic ozonation in which raw Ebro river (Spain) water is ozonated in the presence of titanium dioxide supported on alumina as a solid catalyst at two different O 3 :C weight basis ratios.

TL;DR: In this paper, it was shown that using transition metals, especially Mn(II) and Ag(I), during ozonation of humic substances in water allows important reductions in the content of organic matter.