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Microfauna composition of activated sludge in domestic and industrial sewage activated sludge systems

Czapluk B., Rutkowski R., Rybak J.

Environment Protection Engineering

2018

Vol. 44, nr 1

153--166

The microfauna in activated sludge deriving from two different wastewater treatment plants has been compared. Investigations were conducted during the period of seven months taking into account the seasonal changes of microfauna. One studied plant received mainly industrial (70%) and some part of domestic (30%) sewage, and the other mainly domestic sewage (90%). The aim was to compare both plants in terms of occurrence and abundance of key group of microfauna. The determination of key groups and taxa along with biodiversity indices showed that they have potential value as indicators of different conditions characteristic for both types of plants. The innovative using of biotic indices in biodiversity studies also provides useful information on plant operating conditions and performance.

Effect of Sewages from the Agglomeration of Olesno on the River Stobrawa Water Quality

Dołhańczuk-Śródka A., Kłos A., Kiczma B., Wacławek M., Leśniak B.

Chemia i Inżynieria Ekologiczna

2003

Vol. 10, nr 1-2

67-78

Water supply and sewage disposal of the town of Olesno as well as of the sanitary armature works ORAS, functioning within the area of the agglomeration, are characterized. The results of investigations of the sewage effluents quality are presented. The influence of this sewage on the Stobrawa River contamination has been analyzed and discussed.

Scharakteryzowano gospodarkę wodno-ściekową miasta Olesno oraz działających na terenie aglomeracji zakładów armatury sanitarnej ORAS. Przedstawiono wyniki badań jakości odprowadzanych ścieków. Przeanalizowano wpływ tych ścieków na zanieczyszczenie rzeki Stobrawy.