Search Results - "Ajay K. Ray"

Pharmaceuticals and pesticides in secondary effluent wastewater: Identification and enhanced removal by acid-activated ferrate(VI) by Manoli, Kyriakos, Morrison, Lucas M., Sumarah, Mark W., Nakhla, George, Ray, Ajay K., Sharma, Virender K.

“…The emergence of resistance to antibacterial drugs and pesticides in water is unprecedented. This may have adverse consequences to human health and ecological…”
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Combined sewer overflow treatment: Assessing chemical pre-treatment and microsieve-based filtration in enhancing the performance of UV disinfection by Venditto, Tiziana, Manoli, Kyriakos, Ray, Ajay K., Sarathy, Siva

“…Disinfection of combined sewer overflow (CSO) is necessary to reduce the amount of microorganisms discharged into surface waters. In this study, an efficient…”
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Enhanced photocatalytic degradation of atenolol using graphene TiO2 composite by Bhatia, Vibhu, Malekshoar, Ghodsieh, Dhir, Amit, Ray, Ajay K

“…•Graphene oxide-TiO2 (TiO2-G) composite synthesized by a facile route is able to exhibit significantly higher photocatalytic activity under visible light…”
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Water Pollution and Agriculture Pesticide by Rad, Samira Mosalaei, Ray, Ajay K., Barghi, Shahzad

“…The agricultural industry uses substantial amounts of water (the highest in the world) mostly for irrigation purposes. Rapid population growth and,…”
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Inactivation of Murine Norovirus and Fecal Coliforms by Ferrate(VI) in Secondary Effluent Wastewater by Manoli, Kyriakos, Maffettone, Roberta, Sharma, Virender K, Santoro, Domenico, Ray, Ajay K, Passalacqua, Karla D, Carnahan, Kelly E, Wobus, Christiane E, Sarathy, Siva

“…Ferrate­(VI) (FeVIO4 2, Fe­(VI)) is an emerging oxidant/disinfectant to treat a wide range of contaminants and microbial pollutants in wastewater. This study…”
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Oxidation of caffeine by acid‐activated ferrate(VI): Effect of ions and natural organic matter by Manoli, Kyriakos, Nakhla, George, Ray, Ajay K., Sharma, Virender K.

“…Caffeine (CAF) is the most commonly consumed stimulant and frequently detected emerging pollutant in influents and effluents of wastewater treatment plants…”
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Assessment of Khibiny Alkaline Massif groundwater quality using statistical methods and water quality index by Popugaeva, Daria, Kreyman, Konstantin, Ray, Ajay K.

“…Groundwater is a major source for the water supply of households in the mining‐intensive area of Khibiny Alkaline Massif, Kola Peninsula, in the Arctic. There…”
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Photo-reduction of hexavalent chromium in aqueous solution in the presence of zinc oxide as semiconductor catalyst by Chakrabarti, Sampa, Chaudhuri, Basab, Bhattacharjee, Sekhar, Ray, Ajay K., Dutta, Binay K.

“…Common sources of chromium in wastewater are electroplating and leather industries. Hexavalent chromium is more toxic and carcinogenic compared to its…”
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Photodegradation of Benzoic Acid over Metal-Doped TiO2 by Zhou, Jinkai, Zhang, Yuxin, Zhao, X. S, Ray, Ajay K

“…A modified sol−gel method was employed to synthesize metal-doped TiO2 with varied dopant concentrations using titanium butoxide and metal nitrate hydrate as…”
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Removal of toxic metal ions from wastewater by semiconductor photocatalysis by Chen, Dingwang, K. Ray, Ajay

“…Semiconductor photocatalytic reduction is a relatively new technique for the removal of dissolved metal ions in wastewater. In this paper, physical adsorption…”
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Enhancing Photon Transfer Efficiency in Photocatalysis Using Suspended LED Lights for Water Treatment by Rad, Samira Mosalaei, Ray, Ajay K., Barghi, Shahzad

“…Photocatalysis application in water treatment has been the object of many researchers worldwide in recent decades. However, there are limited commercial…”
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Factorial design analysis for dye-sensitized hydrogen generation from water by Chowdhury, Pankaj, Gomaa, Hassan, Ray, Ajay K.

“…A factorial design at two levels and four factors has been carried out in order to investigate the potential for hydrogen generation using Eosin Y-sensitized…”
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Photocatalytic Activity of Aeroxide TiO2 Sensitized by Natural Dye Extracted from Mangosteen Peel by Malini Ghosh, Pankaj Chowdhury, Ajay K. Ray

“…Natural dye sensitizers are environment-friendly and inexpensive substances that could be used for photocatalytic decontamination of organic pollutants. In…”
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Adsorption of arsenate and arsenite on titanium dioxide suspensions by Dutta, Paritam K., Ray, Ajay K., Sharma, Virender K., Millero, Frank J.

“…Adsorption of arsenate (As(V)) and arsenite (As(III)) to two commercially available titanium dioxide (TiO 2) suspensions, Hombikat UV100 and Degussa P25, was…”
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Photocatalytic Oxidation of Arsenic(III):  Evidence of Hydroxyl Radicals by Dutta, Paritam K, Pehkonen, S. O, Sharma, Virender K, Ray, Ajay K

“…Arsenic contamination has been found in the groundwater of several countries. Photocatalysis can rapidly oxidize arsenite (As(III)) to less labile and less…”
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Removal of Aqueous Cr(VI) by a Combination of Photocatalytic Reduction and Coprecipitation by Wang, Xiaoling, Pehkonen, S. O, Ray, Ajay K

“…Semiconductor photocatalytic reduction is a relatively new technique for the removal of dissolved toxic metal ions from wastewater. In this paper, adsorption…”
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Nonylphenol, octylphenol, and bisphenol-A in the aquatic environment: A review on occurrence, fate, and treatment by Sharma, Virender K., Anquandah, George A. K., Yngard, Ria A., Kim, Hynook, Fekete, Jeno, Bouzek, Karel, Ray, Ajay K., Golovko, Dmitriy

“…This paper reviews the current knowledge on the occurrence, biodegradation, and photooxidation of nonylphenol (NP), octylphenol (OP), and bisphenol-A (BPA) in…”
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Catalytic reaction in a circulating fluidized bed downer: Ozone decomposition by Li, Dongbing, Zhu, Jesse, Ray, Madhumita B., Ray, Ajay K.

“…Catalytic ozone decomposition reaction was used to study the performance of a 76 mm i.d. and 5.8 m high gas–solid circulating fluidized bed (CFB) downer…”
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Dye-Sensitized Photocatalytic Water Splitting and Sacrificial Hydrogen Generation: Current Status and Future Prospects by Chowdhury, Pankaj, Malekshoar, Ghodsieh, Ray, Ajay

“…Today, global warming and green energy are important topics of discussion for every intellectual gathering all over the world. The only sustainable solution to…”
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Preparation and Characterization of Polycrystalline Bismuth Titanate Bi12TiO20 and Its Photocatalytic Properties under Visible Light Irradiation by Zhou, Jinkai, Zou, Zhigang, Ray, Ajay K, Zhao, X. S

“…A visible-light-responsive polycrystalline Bi12TiO20 photocatalyst was prepared using a simple solid-state reaction between Bi2O3 and TiO2 powders, and its…”
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