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Articles by Kourosh Rahmani
Total Records ( 2 ) for Kourosh Rahmani
  Alireza Mesdaghinia , Amirabbas Hamedian and Kourosh Rahmani
  In attention to healthy risks of effluent discharge of wastewater from treatment plants to water sources and use in agriculture, this study was carried out for quality assessment of effluent discharge from Tehran wastewater treatment plant Tehran, Iran in 2010. For this investigation, according to Iranian EPA standard’s procedure, the mixing sampling method was carried out from effluent >24 h and some of physical and chemical characteristics of sample measured by standard methods. TS and TSS had been minimum and maximum removal, respectively (35 and 97%). TS of the outgoing wastewater in all plants exceed the standard rate and the rate of COD, BOD and phosphorus in the outgoing wastewater is mild and fall within the range defined by Department of Environment and WHO.
  Hasan Rahmani , Kourosh Rahmani , Ayat Rahmani and Mohammad-Reza Zare
  Degradation of dexamethasone (DEX) was investigated using nano-scaled Zero-Valent Iron (nZVI) in the presence of hydrogen peroxide and ultrasound (US). The experiments were performed in different variables such as pH, nZVI dose, H2O2 concentration, DEX concentration and ultrasonic frequency. Maximum removal (92%) was obtained at pH: 4, nZVI: 0.3 g L-1, H2O2: 1.5 mmol, DEX: 15 mg L-1 and US: 140 kHz. The pH was one of the most important factor influencing the process, also, determining the optimal dose of hydrogen peroxide had to be considered. In this study, degradation reaction kinetics of DEX and efficiency of the removal of COD were investigated in synthetic and actual wastewater.
 
 
 
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