In this study, graphitic carbon nitride (g-C3N4)-based ZnO heterostructure was synthesized using a facile calcination method with urea and zinc nitrate hexahydrate as the initiators. According to scanning electron microscopic (SEM) images, spherical particles can be seen along g-C3N4 nanosheets. Additionally, X-ray diffraction (XRD) analysis reveals successful synthesis of g-C3N4/ZnO. The photocatalytic activity catalyst tested for decolorization crystal violet (CV) an organic refractory...

Abstract In this study, we investigated the production conditions of Quercus coccifera hydrochar, which is an inexpensive and easy available adsorbent, for adsorption Basic Red 18 (BR18) azo dye. The hydrochar was produced in eco-friendly subcritical water medium (SWM). effects pH (2–10), adsorbent size (45–106 μm), dose (0.5–1.5 g/L), dye concentration (40–455 mg/L), contact time (5–120 min) were studied via optimization experiments. optimum 10, particle 45 μm, amount 1.5 g/L, 455 mg/L, 60...

In this study, the treatment of landfill leachate wastewater by chemical coagulation, an electro-membrane bioreactor (e-MBR), and anaerobic hybrid system was studied. First, coagulation process applied to wastewater, which is referred their high organic pollutants. Aluminum sulfate (alum), poly aluminum chloride (PAC), ferric (FeCl3), ferrous (FeSO4) were used as coagulants. After determining coagulant type, pH optimization (6-10) amount (0.5-2.5 g/l) optimized. coagulation-flocculation...

Abstract The potato‐processing wastewater (PPW) treatment method employe a combined process of chemical coagulation/flocculation and membrane filtration. Four different inorganic coagulants are used: polyaluminium chloride, alum, iron(III) chloride iron(II) sulphate. results show that the enhanced both oxygen demand (COD) with turbidity removal at 1 g/L concentration. Iron(III) is most efficient for COD efficiencies 54% 88%, respectively. At pH=6, elimination performances to 67% 96%,...

Abstract In this study, the use of mandarin peels as an absorbent for phosphate and Remazol Brilliant Blue-R (RBBR) removals was investigated. The impact variations in activation temperature, pH levels, adsorbent dosage on removal RBBR examined optimized. For removal, 900°C thermally activated were selected. optimal parameters found to be at initial 5.9, dose 0.75 g/L, a contact time 60 min, which achieved efficiency 100%. maximum conditions obtained original (5.35), 1.75 g/L dose, min time....

This study investigated the treatment of wastewater from tomato paste (TP) production using electrocoagulation (EC) and electrooxidation (EO). The effectiveness water recovery pretreated was then membrane process. For this purpose, effects independent control variables, including electrode type (aluminum, iron, graphite, stainless steel), current density (25-75 A/m

Abstract Recently, the utilization of wastes, recovery high value-added products from waste, and their use as raw materials in other industries with logic industrial symbiosis has become an important issue. In this study, removal efficiency Reactive Orange 16 (RO16) dye aqueous solution was studied using TiO2 catalyst recycled waste effluent. The recycling a paints manufacturing industry carried out by sintering TiO2-containing waste. usability powder then investigated RO16 photocatalytic...

This study concerns the preparation of novel adsorbent prepared from calcium alginate bead modified with polyethyleneimine (PEI-CaAlg). The adsorption capacity PEI-CaAlg was examined by Remazol Brilliant Blue R (RBBR) and phosphate adsorption. showed high removal efficiencies for RBBR (90.48%) (88.10%). both onto followed Freundlich isotherm second-order model. studied in terms thermodynamic found to be feasible spontaneous nature. reusability beads also up five cycles. efficiency 90.48% at...

This study intended to evaluate and compare the efficiency of electrochemical oxidation (EO), nanofiltration (NF), reverse osmosis (RO) membranes processes in treatment yarn fabric dyeing wastewater (YFDW) terms chemical oxygen demand (COD) removal, color salinity reduction, conductivity removal. EO tests textile effluent were conducted under various current densities solution pH conditions employing a graphite electrode. Membrane filtration experiments using two different NF membranes:...

The present work aims to study chemical oxygen demand (COD), oil-grease, and color removal from vegetable oil wastewater by combined electrocoagulation activated sludge processes. For this purpose, the sample was pretreated using various optimization parameters such as electrode type (Al-Al Fe-Fe), current density (100-400 A/m2 ), pH (2-8), electrolysis time (15-180 min). results showed that 89.3% of COD, 100% 66.2% were removed under conditions 300-A/m2 density, 2, 180-min reaction with...

Abstract In this study, calcium alginate (Ca-Alg) beads were mixed with leonardite powder to prepare leonardite-embedded (Leo-Ca-Alg) beads. The prepared Leo-Ca-Alg utilized for the adsorption of Safranin-O dye. characterized by X-ray diffraction, Fourier transform infrared, and scanning electron microscopy before after process. effects pH, adsorbent dose, initial dye concentration, contact time on onto investigated. optimal condition was achieved at a pH value 8.0, an amount 20 g/L,...

In this study, calcium alginate (Ca-Alg) beads, an inexpensive, easily available, biodegradable material, were activated with anionic surfactant and used for the treatment of wastewater contaminated waste motor oil. First, polyethyleneimine (PEI) was to bind sodium dodecyl sulfate (SDS) onto Ca-Alg beads' surface. Three different SDS concentrations (25, 50, & 100 mg/L) prepared treated beads 1, 2, 4, 6, 24 h. binding yield reached equilibrium at end h, efficiencies 25, mg SDS/L determined...