Background & Aims of the Study: Wastewater discharges from vegetable oil industry cause environmental problem, including pollution of groundwater and surface water. Therefore, this study evaluated the efficiency of Integrated Fixed-Film Activated Sludge (IFAS) reactor for treatment of wastewater from Varamin vegetable oil industries. Materials & Methods: This was an experimental study. The ...

introduction: health care providers and health policy managers need updated and valid information regarding causes of death (cod) for development the health care facilities, directing primary prevention, assigning funds, and promoting public health. the major causes of death and its burden have not been yet appropriately identified in iran. although several studies had been carried out in this ...

background: to determine the role of drugs in fatal overdose, analyses were done on samples obtained from autopsy examination and death and crime scene investigations. the aim of this study was to evaluate the usefulness of toxicology analyses of postmortem biological and non-biological samples belonging to a subject in determining the forensic cause of death. methods: toxicological analysis we...

tuberculosis (tb) is one of the 10 leading cause of deaths in developing countries. understanding the cause and risk factors of tb death and lowering them can reduce its mortality rate. the aim of this study was to assess the cause and risk factors for death of tuberculosis. a retrospective descriptive study was conducted in khuzestan province in the south west of iran, from 2002 to 2006. medic...

wastewater contains many organic and inorganic contaminants that can cause serious damage to the environment and health of people, therefore, they have to be eliminated before being downloaded into sensitive areas. different methods of wastewater purification have been used for contaminants removal. however, they present some technical and economic limitations. thus, new methods of nutrients re...

Hospital wastewater has special importance since having pathogens, radioactive materials, pharmaceutical wastes and heavy metals. Removing them into environment without any treatment may cause serious problems for the public health. Membrane Biological Reactor is the combination of the activated sludge and membrane filters. This research has investigated the performance of the Nano-Filtration i...

background: the presence of lead in natural waters has become an important issue around the world. lead has been identified as a highly toxic metal that can cause severe environmental and public health problems and its decontamination is of utmost importance. the aim of this work was to evaluate the adsorption of lead (pb(ii)) on waste tea leaves as a cheap purification method. methods: in this...