The efficiency of wastewater treatment is not only measured by the quality of treated wastewater, but also by the efficiency of treatment and permanent disposal of sludge that is separated. In addition to harmless, the sludge also contains hazardous substances that are released from wastewater during treatment. This work aims to obtain a neutral an...

By Zoranka Malešević, Milica Đeković-Šević, Mirjana Jovović

Spices and herbs have been used for centuries by many cultures to enhance the flavor and aroma of foods. Early cultures also recognized the value of using spices and herbs in preserving foods and for their medicinal value. In the present study the essential oil of wild growing Thymus praecox Opiz ssp. polytrichus was isolated by hydrodistillationpr...

By V. Nada Petrović, S. Slobodan Petrović, Dubravka Jovičić, Marina Francišković

Ugljen monoksid je neorgansko jedinjenje ugljenika, i spada u grupu neutralnih oksida, koji ne reaguje sa vodom, kiselinama i bazama. Jake je citotoksičnosti za živa bića, jer spada u grupu hemijskih zagušljivaca i najvećih zagađivača vazduha. Nastaje u toku nepotpune oksidacije organskih materija. Izduvni gasovi motora sa unutrašnjim...

By Neđo Đurić, Radenko Babić, Perica Đuran, Mira Vidaković