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@article{32783, author = {Vochozka, Marek and Maroušková, Anna and Straková, Jarmila and Váchal, Jan}, article_location = {Berlin}, article_number = {6}, keywords = {sewage sludge management; hydrothermal decomposition; cost analysis; environmental policy}, language = {eng}, issn = {1735-1472}, journal = {International Journal of Environmental Science and Technology}, title = {APPRAISAL OF CHANGES IN SEWAGE SLUDGE MANAGEMENT}, volume = {Volume 13}, year = {2016} }
TY - JOUR ID - 32783 AU - Vochozka, Marek - Maroušková, Anna - Straková, Jarmila - Váchal, Jan PY - 2016 TI - APPRAISAL OF CHANGES IN SEWAGE SLUDGE MANAGEMENT JF - International Journal of Environmental Science and Technology VL - Volume 13 IS - 6 SP - 1607-1614 EP - 1607-1614 PB - Springer SN - 17351472 KW - sewage sludge management KW - hydrothermal decomposition KW - cost analysis KW - environmental policy N2 - A positive energy balance caused by accelerated production of CH4 and additional financial benefits associated with shorter retention times, reduction in volumes, easier dewatering, enhanced hygiene, etc., are the reasons why most modern wastewater treatment plants are newly equipped with hydrothermal pretreatment units. This study examined how the changes in composition of the pretreated sewage sludge fermentation residues manifested themselves in subsequent processing by pyrolysis, both in terms of technology and financial impacts. It has been found that concentrations of heavy metals and other hazardous inhibitors might increase; however, the overall biotoxicity is lower due to their immobilization in the charred mass. Moreover, charring of the fermentation residues results in significant financial as well as technological benefits. ER -
VOCHOZKA, Marek, Anna MAROUŠKOVÁ, Jarmila STRAKOVÁ a Jan VÁCHAL. APPRAISAL OF CHANGES IN SEWAGE SLUDGE MANAGEMENT. \textit{International Journal of Environmental Science and Technology}. Berlin: Springer, 2016, Volume 13, č.~6, s.~1607-1614. ISSN~1735-1472.
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