Comparison of classical chemical and electrochemical processes for treating rose processing wastewater

Decolorization and COD reduction of UASB pretreated poultry manure wastewater by electrocoagulation process: A post-treatment study

“…In the previous studies, conductivity or electrolyte concentration have been adjusted by adding an appropriate amount of NaCl, and similar results have been expressed as either mS/cm [12][13][14]18,22,23] or g NaCl/L [21]. Based on these units, previous findings show that conductivity or electrolyte concentration have been conducted in the range of 0.25-21.1 mS/cm or up to 2 g NaCl/L, respectively.…”

“…The pH has a considerable effect on the performance of the EC process [14,18,24]. In an experimental study conducted by Adhoum and Monser [24], the highest COD and color removal efficiencies have been obtained in acidic medium, at pH values in the limits of 4.0-6.0.…”

“…The previous studies [12][13][14]18,[21][22][23][24] conducted with Al, Fe and stainless steel (SS) electrode materials reveal that total effective area of electrodes and the distance between electrodes have been studied in the limits of 35-80 cm 2 and 3-65 mm, respectively. On the basis of maximum COD and color removals obtained for different types of electrode materials, the present data seems to be comparable with those reported by others.…”

“…It is reported that the electrocoagulation (EC) technology provides a simple, reliable, cost-effective and promising techique for the treatment of various wastewaters without any need for additional chemicals [12]. In recent years, this technology has been conducted as an effective method to treat various types of wastewaters such as landfill leachate [13], rose processing wastewater [14], chemical mechanical polishing wastewater [15], oily bilgewater [16], textile wastewater [17,18], heavy metal contaminated groundwater [19], restaurant wastewater [20], dyeing wastewater [12,22,23], and olive oil mill wastewater [23,24].…”

Electrolytic Treatment of Wastewater in the Oil Industry

“…The EC process performance is greatly influenced by the pH of the solution [46]. Considering only mononuclear speciation, the total aluminum present in solution (α) at a given pH value can be calculated ( Figure 2).…”