Advanced wastewater treatment increasingly involves the use of nanomaterials with catalytic adsorption reactivity along with a high surface area. Magnetic nanoparticles (Fe3O4) are being explored for this purpose in the context of heavy fuel oil treatment wastewater from gas turbine operation at the Al-Khairat power station (power plant station 1250-megawatts (MW)) in Karbala, Iraq. A batch reactor process, combined with chemical coagulation and flocculation, was used to treat the wastewater. This was followed by treatment with Fe3O4 nanoparticles (20-30 nm) to reduce Chemical Oxygen Demand (COD). The optimal conditions were investigated, including pH and nanoparticle concentration. The combined treatment significantly reduced turbidity (from 288 to 1.4 NTU). COD removal reached over 58% within 30 minutes under optimal conditions (pH 9 and 1 g/L Fe3O4 nanoparticles), and 50% removal was achieved after 1.5 hours. Further treatment via membrane filtration is planned to reduce Total Dissolved Solids (TDS) below 500 mg/L.
In this study, the electrocoagulation (EC) process that uses electric current to remove contaminants from water, was used to optimize the treatment of urban wastewater. This process is an alternative treatment method that has attracted increasing attention, which are often limited by high costs and significant sludge p...
Sarra Hamidoud· Water Conservation Science a...· 0 citations
This paper investigates the treatment of oily wastewater (emulsions) originating from metal processing via thermochemical decomposition. The treatment aimed to purify the wastewater to meet the regulatory standards, that is, specifically targeting a hydrocarbon index concentration of less than 10 mg/l. Experimental inv...
V. Trifunović, L. Avramović, D. Božić et al.· Proceedings - 57th Internati...· 0 citations
Wastewater treatment is essential for reducing environmental pollution and improving effluent quality. Conventional
biological treatment technologies, including the Moving Bed Biofilm Reactor (MBBR) are widely used for organic pollutant
removal; however, their performance depends on wastewater characteristics, biofilm...
Raveena Chauhan, Mandeep Saini· International Journal for Re...· 0 citations
This study presents results on the application of chemical and electro-coagulation (EC) treatments for Total Suspended Solids (TSS) removal in high level TSS coal mine wastewater. The objective was to select optimal coagulant type and dosage, electrodes material and current density for enhanced TSS removal. The optimal...
Yap Yong Chun, I. Gulnaziya, Chong-Wo-On Chan et al.· EPJ Web of Conferences· 0 citations
With the increasingly stringent environmental management regulations in China, most mineral processing wastewater needs to be recycled and reused. During repeated use, residual chemicals accumulate, leading to an increase in organic matter (characterized by chemical oxygen demand, COD) and often affecting the flotation...
Yan-Li Liu· Seventh International Confer...· 0 citations
