1. Evaluating the Efficiency of Clarifier Returned Sludge with Poly-aluminum Chloride Coagulant (PAC) for Improving the Removal of Turbidity, COD and PVC

Sara Kahvaei; Afshin Takdastan; Reza Jalilzadeh Yengejeh

Volume 9, Issue 4 , October 2021, , Pages 298-304

http://dx.doi.org/10.30476/jhsss.2021.90369.1188

Abstract
  Background: Nowadays, the discharge of effluents containing chemicals through manufacturers or consumer industries causes major environmental problems. In this study, we assessed the effect of sludge reversal of the clarifier unit on enhancing the coagulant performance of Poly-Aluminum chloride in the ...  Read More

2. Improvement of Two Iranian Petrochemical Complexes’ Wastewater Biodegradability from 2015 to 2017 Using H2O2/ Fe2+ and Optimization of the Conditions by RSM

Mahmood Derakhshan; Mojtaba Fazeli

Volume 5, Issue 4 , October 2017, , Pages 144-152

Abstract
  Background:Petrochemical wastewaters are a critical environmental challenge in industrial zones due to the amount of pollutants they release into the environment. Therefore, finding a solution for treatment of the wastewater has become the priority of the researchers. The main objective of this research ...  Read More

3. Optimization of the Parameters Affecting the Fenton Process for Decolorization of Reactive Red 198 (RR-198) from the Aqueous Phase

Mansooreh Dehghani; Mahshid Ghadami; Talat Gholami; Marzieh Ansari Shiri; Zahra Elhameyan; Mohammad Reza Javaheri; narges shamsedini; Samaneh Shahsavani

Volume 3, Issue 4 , October 2015, , Pages 139-145

Abstract
  Background: Recently, there has been a great concern about the consumption of dyes because of their toxicity, mutagenicity, carcinogenicity, and persistence in the aquatic environment. Reactive dyes are widely used in textile industry. Advanced oxidation processes are one of the cost-effective methods ...  Read More