<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Selected parameters of sewage sludge from two different sewage treatment plants: a rural one (in Mrozy) and a municipal one (in Siedlce) were compared. Samples from a mechanical-biological sewage treatment plant (Mrozy) showed a higher content of nitrogen and lower content of phosphorus, potassium and magnesium than the samples from the sewage treatment plant with the tertiary enhanced nutrient removal (Siedlce). The C/N ratio was 7.5 and 11.7, respectively. No differences were noted in the content of zinc in analysed samples. From among analysed metals (Cu, Zn, Fe and Mg), magnesium occurred in the greatest amounts in easily available form. The presence of <sup>137</sup>Cs was found in sewage sludge from both treatment plants.</p></abstract>

Selected parameters of sewage sludge from two different sewage treatment plants: a rural one (in Mrozy) and a municipal one (in Siedlce) were compared. Samples from a mechanical-biological sewage treatment plant (Mrozy) showed a higher content of nitrogen and lower content of phosphorus, potassium and magnesium than the samples from the sewage treatment plant with the tertiary enhanced nutrient removal (Siedlce). The C/N ratio was 7.5 and 11.7, respectively. No differences were noted in the content of zinc in analysed samples. From among analysed metals (Cu, Zn, Fe and Mg), magnesium occurred in the greatest amounts in easily available form. The presence of 137Cs was found in sewage sludge from both treatment plants.

Comparative analysis of sewage sludge from two sewage treatment plants: in Mrozy and Siedlce (Mazowieckie Province) / Porównawcza analiza osadów ściekowych z dwóch oczyszczalni ścieków w Mrozach i Siedlcach (województwo mazowieckie)

Department of Ecology and Environmental Protection, University of Natural Sciences and Humanities, Prusa 12 St, 08-110 Siedlce, Poland

Environmental Protection and Natural Resources

Selected parameters of sewage sludge from two different sewage treatment plants: a rural one (in Mrozy) and a municipal one (in Siedlce) were compared. Samples...

Comparative analysis of sewage sludge from two sewage treatment plants: in Mrozy and Siedlce (Mazowieckie Province) / Porównawcza analiza osadów ściekowych z dwóch oczyszczalni ścieków w Mrozach i Siedlcach (województwo mazowieckie)

Publié en ligne: 23 juil. 2013

Pages: 57 - 61

DOI: https://doi.org/10.2478/oszn-2013-0019

This content is open access.