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The NiO NPs prepared at higher annealing temperature (400 °C) were shown excellent adsorption and photocatalytic activity toward textile dyes reactive black 5 (RB-5) and methylene blue (). About 87.2% of RB-5 in 60 min and 70.2% of in 5 h was removed using NiO NPs synthesized at 400 °C.Get Price
Photocatalytic processes can be applied both in situ (to soil in place) and ex situ (after soil excavation). Matching the remedial oxidant and technology of delivery to the contaminant of concern and site conditions is an extremely important step in the successful remediation of contaminated soil.Get Price
The parameters studied were soil moisture/volatile content, treatment temperature, treatment time, solid bed depth, and degree of solid agitation.Get Price
Photocatalytic Water Treatment by Titanium Dioxide: Recent Updates Manoj A. Lazar 1,2,*, Shaji Varghese 3 and Santhosh S. Nair 1,2 1 School of Applied Sciences and Engineering, Monash University, Churchill VIC, 3842, Australia; E-Mail: [email protected] 2 School of Chemistry, Monash University, Clayton VIC, 3800, Australia[PDF]Get Price
The photocatalytic degradation of was found to increase with an increase in the annealing temperature of the catalyst. Moreover, the kinetic study revealed that the adsorption and photocatalytic activity of NiO NPs followed the second and first-order kinetics, respectively.Get Price
photocatalytic and adsorption treatment processes, Global NEST Journal, 19(X), XX-XX. ... soil were washed by adding 100g of laterite soil into 1000 ml of deionized water and were stirred with 250 rpm for 30 minutes. The mixture was then filtered to collect the[PDF]Get Price
Photocatalytic Removal of Organics over BiVO4-Based Photocatalysts, Semiconductor Photocatalysis - Materials, Mechanisms and Applications, Wenbin Cao, IntechOpen, DOI: 10.5772/62745. Available from: Kunfeng Zhang, Jiguang Deng, Yuxi Liu, Shaohua Xie and Dai (August 24th 2016).Get Price
Similarly, photocatalytic treatment of recycled hydroponics water can facilitate the breakdown of phytotoxic compounds, leading to increased crop yields without leaving a harmful residual. Perhaps its most greatly espoused attribute is that photocatalysis can be solar powered, making photocatalytic treatment ideal for highly cost-sensitive or ...Get Price
Nov 09, 2009 · Read "Surfactant-assisted removal of swep residues from soil and photocatalytic treatment of the washing wastes, Applied Catalysis B: Environmental" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
The soil washing effluents were treated through a sequence of photocatalytic and adsorption processes to lower the concentration values of metals (Cu, Zn, Fe and Mn) below the limits of national ...Get Price
Abstract A field trial of a pilot‐scale TiO2 photocatalytic reactor for treatment of off‐gases from a soil vapor extraction (SVE) well at a chlorinated solvent spill site at the Savannah River Site near Aiken, SC, is described. Trichloroethylene (TCE), perchloroethylene (PCE), 1,1‐dichloroethylene (1,1 ‐DCE), and 1,1,1 ‐trichloroethane (1,1,1 ‐TCA) were treated at flow rates up to ...Get Price
Nov 09, 2009 · The photocatalytic treatment of soil washing wastes containing the pesticide swep and three different surfactants: sodium dodecylsulfate (SDS), hexadecyltrimethylammonium bromide (HTAB) and polyoxyethylene(8) dodecyl ether (C 12 E 8 ), has been investigated.
Persistence of the photocatalytic activity in the oxidation reaction in high-temperature, high-pressure water would open up a possibility of the development of the hybrid process based on the combination of SCWO process and photocatalysis for the treatment of environmental pollutants in soil and water, which are difficult to handle by ...Get Price
Off-Gas Treatment Technologies for Soil Vapor Extraction Systems: State of the Practice 1-5 March 2006 184.108.40.206 Non-Thermal Plasma. Non-thermal plasma technologies are relatively new technologies and involve the destruction of vapor- phase compounds by ionizing the compounds in the gas stream, thereby creating a plasma.Get Price
Treatment efficiency was followed through removal of organic matter content in terms of dissolved organic carbon (DOC), specific spectroscopic parameters, and bacterial inactivation. Photocatalytic degradation kinetics were expressed by pseudo first-order kinetic modeling.[PDF]Get Price
Abstract A field trial of a pilot‐scale TiO2 photocatalytic reactor for treatment of off‐gases from a soil vapor extraction (SVE) well at a chlorinated solvent spill site at the Savannah River Site near Aiken, SC, is .[PDF]Get Price
Keywords: Though, various pilot or industrial scale treatment plants have been reported in scientific Photocatalytic degradation literature for POME treatments methods such as anaerobic, aerobic and membrane tech- Palm oil mill effluent nology, the literature is still scarce for application of photocatalytic degradation technology Treatment ...Get Price
Jun 15, 2017 · Solar photocatalytic sequential treatment of soil washing effluents. • Efficient removal of copper, zinc, EDDS and TOC from effluents. • A plate solar collector with a multitubular reactor is used. • Procedure for the estimation of illuminated area of the solar photoreactor. • The ecotoxicity of the soil washing effluents is noticeably reduced.
This dissertation has been addressed to study the reclamation of heavy metal contaminated soils by soil washing, and to investigate the feasibility of photocatalytic processes for the treatment of the spent soil washing solution (SSWS). Indeed, the collected SSWS, containing the extracted metals and chelating agents, represents one of the main drawbacks of the washing technique, as it has to ...Get Price
Jan 06, 2015 · This makes it an ideal, robust, durable, and effective nanomaterial for chemical-free water and wastewater treatment processes in both large-scale and small-scale treatment plants. However, up until now, the efficacy of ultraviolet-visible photocatalytic TiO 2 in particular has been relatively low compared with similar oxidation processes like ...Get Price
At present, the main technical barriers that prevent their commercialisation remain: a) the costs associated with the UV source capital, b) the post-recovery of the catalysts after water treatment, and c) the efficiency of the photocatalytic treatment process, .[PDF]Get Price