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Gaurav GK, Mehmood T, Kumar M, Cheng L, Sathishkumar K, Kumar A, Yadav D. Review on polycyclic aromatic hydrocarbons (PAHs) migration from wastewater. JOURNAL OF CONTAMINANT HYDROLOGY 2021; 236:103715. [PMID: 33199037 DOI: 10.1016/j.jconhyd.2020.103715] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/23/2020] [Accepted: 09/14/2020] [Indexed: 06/11/2023]
Abstract
Rapidly increasing global population and increased civilization has increased burden on potable water resources and results in larger volumes of wastewater. Physical wastewater management techniques has advanced for domestic usage and commercial effluent new conceptions about imminent wastewater treatment have been acclaimed for highly carcinogenic polycyclic aromatic hydrocarbon (PAH) compounds. The present review study emphasis on the assessment of several accessible PAHs treatment methods used in wastewater management. The elementary principles, contextual remediation mechanisms and recent development in PAHs removal practices have also been precisely explained. The comprehensive information regarding sources, dispersal, classification, physicochemical properties, PAHs toxicity for humans and aquatics life, conventional treatment procedures, and advanced oxidation processes specified can assist us to identify the PAHs problem and their intensity. The performance evaluation of different removal techniques are discussed in details and found that highest PAHs' reduction for 5-or 6-ring (99%,) while 3-ring (79% reduction) with oxidant dose of 1.64 mL/L using titanium catalyst. In case of MWTPs, with secondary techniques, the average removal efficiency found in the range of 81.1-92.9% while for AOPs are 32-99.3%. Here, overall yield through AOPs most suitable if process used with some catalyst enhanced the yield as well and suitable for high ring as well as low ring PAHs. Among various processes, advanced oxidation and catalytic oxidation processes are the most valuable and promising techniques for PAHs removal. Based on the given evidences, the AOPs coupled with catalysts have been decided as the most competent design for wastewater PAHs treatment.
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Affiliation(s)
- Gajendra Kumar Gaurav
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes and College of Civil, Hohai University, Nanjing 210098, PR China
| | - Tariq Mehmood
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes and College of Civil, Hohai University, Nanjing 210098, PR China
| | - Manoj Kumar
- Department of Mechanical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India
| | - Liu Cheng
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes and College of Civil, Hohai University, Nanjing 210098, PR China.
| | - Kuppusamy Sathishkumar
- Key Laboratory of Integrated Regulation and Resource Development of shallow lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, PR China
| | - Amit Kumar
- Department of Chemical Engineering, Nirma University, Ahmedabad, India
| | - Deepak Yadav
- Department of Chemical Engineering, Harcourt Butler Technical University (Formerly HBTI), Kanpur, India.
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Yang LX, Wu YN, Wang PW, Huang KJ, Su WC, Shieh DB. Silver-coated zero-valent iron nanoparticles enhance cancer therapy in mice through lysosome-dependent dual programed cell death pathways: triggering simultaneous apoptosis and autophagy only in cancerous cells. J Mater Chem B 2020; 8:4122-4131. [PMID: 32267258 DOI: 10.1039/c9tb01477b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this study, we demonstrated that zero-valent iron (ZVI), which is widely used to remediate environmental contamination through the production of high-energy reactive oxygen species (ROS), exhibited differential cytotoxicity in cancerous cells and nonmalignant cells. Nanoparticles (NPs) with different shells exhibited distinct potencies against cancerous cells, which depended on their iron-to-oxygen ratios. Silver-coated ZVI NPs (ZVI@Ag) had the highest potency among synthesized ZVI NPs, and they simultaneously exhibited adequate biocompatibility with nonmalignant keratinocytes. The assessment of the intracellular dynamics of iron species revealed that the uptake of ZVI@Ag was similar between cancerous cells and nonmalignant cells during the first 2 h; however, only cancerous cells rapidly converted NPs into iron ions and generated large amounts of intracellular ROS, which was followed by apoptosis and autophagy induction. The aforementioned processes were prevented in the presence of iron ion chelators or by preoxidizing NPs before administration. Neutralization of lysosomal pH effectively reduced ZVI@Ag NP-induced programmed cell death. In the xenograft mouse model, cancer growth was significantly inhibited by a single dose of systematically administered NPs without significant weight loss in animals.
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Affiliation(s)
- Li-Xing Yang
- Institute of Basic Medical Sciences, National Cheng Kung University, Tainan, 70101, Taiwan.
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Ogata F, Ueta E, Toda M, Otani M, Kawasaki N. Adsorption of phosphate ions from an aqueous solution by calcined nickel-cobalt binary hydroxide. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2017; 75:94-105. [PMID: 28067650 DOI: 10.2166/wst.2016.492] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Different molar ratios of a Ni/Co binary hydroxide (NiCo82, NiCo91, and Ni100) were prepared and calcined at 270 °C (NiCo82-270, NiCo91-270, and Ni100-270). The properties of the adsorbents and the amount of adsorbed phosphate ions were evaluated. The adsorbents calcined at 270 °C had a nickel oxide structure. The amount of adsorbed phosphate ions, the amount of hydroxyl groups, and the specific surface area of the calcined adsorbents at 270 °C were greater than those of the uncalcined adsorbents. The amount of adsorbed phosphate ions was related to the amount of hydroxyl groups and the specific surface area; the correlation coefficients were 0.966 and 0.953, respectively. The adsorption isotherm data for NiCo91 and NiCo91-270 were fit to both the Freundlich and Langmuir equations. The amount of adsorbed phosphate ions increased with increasing temperature. The experimental data fit the pseudo-second-order model better than the pseudo-first-order model. A neutral pH was optimal for phosphate ion adsorption. In addition, the phosphate ions that were adsorbed onto NiCo91-270 could be recovered using sodium hydroxide, and the adsorbent was useful for the repetitive adsorption/desorption of phosphate ions. Collectively, these results suggest that NiCo91-270 is prospectively useful for the adsorption of phosphate ions from aqueous solutions.
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Affiliation(s)
- Fumihiko Ogata
- Faculty of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan E-mail:
| | - Erimi Ueta
- Faculty of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan E-mail:
| | - Megumu Toda
- Kansai Catalyst Co., Ltd, 1-3-13, Kashiwagi-cho, Sakai-ku, Sakai, Osaka 590-0837, Japan
| | - Masashi Otani
- Kansai Catalyst Co., Ltd, 1-3-13, Kashiwagi-cho, Sakai-ku, Sakai, Osaka 590-0837, Japan
| | - Naohito Kawasaki
- Faculty of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan E-mail: ; Antiaging Center, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
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Wu Y, Wang Y, Wang J, Xu S, Yu L, Philippe C, Wintgens T. Nitrate removal from water by new polymeric adsorbent modified with amino and quaternary ammonium groups: Batch and column adsorption study. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.06.019] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Singh S, Srivastava VC, Mandal TK. Treatment of fertilizer industry wastewater by catalytic peroxidation process using copper-loaded SBA-15. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2015; 50:1468-78. [PMID: 26325662 DOI: 10.1080/10934529.2015.1074481] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The present study reports use of the catalytic peroxidation (CPO) method for treatment of actual fertilizer industry wastewater (FIW) by using copper-loaded Santa Barbara amorphous-15 (Cu/SBA-15) catalyst. FIW consists of toxic nitrogenous and phosphorus containing compounds that are not easily degraded by the conventional physicochemical and biological treatment methods. In the present study, Box-Behnken (BB) experimental design methodology was used for optimization of three independent parameters namely catalytic dose (m), initial pH (pHo), and H2O2 concentration. Maximum 83% COD removal was obtained at m = 4.5 g L(-1), pHo = 9.2 and H2O2 concentration = 2.0 mL L(-1). Wastewater and catalyst recovered at optimum treatment condition were characterized by various techniques. UV-visible and Fourier transform infrared (FTIR) techniques were used for understanding the treatment mechanism. Textural and thermogravimetric (TGA/DTA) analysis were used for determining the characteristic of catalyst before and after treatment. The stability and performance of the Cu/SBA-15 catalyst was also determined by using the reusability tests.
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Affiliation(s)
- Seema Singh
- a Department of Chemical Engineering , Indian Institute of Technology , Roorkee , Uttarakhand , India
| | - Vimal Chandra Srivastava
- a Department of Chemical Engineering , Indian Institute of Technology , Roorkee , Uttarakhand , India
| | - Tapas Kumar Mandal
- b Department of Chemistry , Indian Institute of Technology , Roorkee , Uttarakhand , India
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Nakatsuji Y, Salehi Z, Kawase Y. Mechanisms for removal of p-nitrophenol from aqueous solution using zero-valent iron. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2015; 152:183-191. [PMID: 25662484 DOI: 10.1016/j.jenvman.2015.01.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 12/30/2014] [Accepted: 01/07/2015] [Indexed: 06/04/2023]
Abstract
Batch experiments were conducted to examine mechanisms for removal of p-nitrophenol (PNP) from aqueous solution using zero-valent iron (ZVI). Removal of PNP using ZVI was mainly attributed to three mechanisms: degradation, precipitation and adsorption. A complete removal of 30 mg L(-1) PNP with ZVI dosage of 1000 mg L(-1) achieved within 30 min at pH 3. The PNP removal rate in the acidic solutions was significantly suppressed at higher pH. The modified Langmuir-Hinshelwood kinetic model could successfully describe the PNP removal process using ZVI at different pH conditions. Total organic carbon (TOC) removal efficiencies were found to be almost independent of pH. While the TOC removal at lower pH was profoundly affected by the reductive and/or oxidative degradation, the adsorption was favorable at higher pH. The effect of dissolved oxygen on PNP removal was investigated at pH 3 where a maximum contribution of oxidative degradation could be expected. The PNP removal in the anoxic system purged with nitrogen gas was quick as well as that in the system being open to the air. However, the TOC removal under the anoxic condition was negligible as compared with that in the oxic system. The profiles of the intermediates formed during the PNP degradation indicated that the reductive degradation was predominant in the initial phase of the removal and subsequently the oxidative degradation occurred.
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Affiliation(s)
- Yusuke Nakatsuji
- Research Center for Chemical and Environmental Engineering, Department of Applied Chemistry, Toyo University, Kawagoe 2100, Saitama 350-8585, Japan
| | - Zeinab Salehi
- School of Chemical Engineering, University of Tehran, Tehran, Iran
| | - Yoshinori Kawase
- Research Center for Chemical and Environmental Engineering, Department of Applied Chemistry, Toyo University, Kawagoe 2100, Saitama 350-8585, Japan.
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Yoshino H, Kawase Y. Kinetic Modeling and Simulation of Zero-Valent Iron Wastewater Treatment Process: Simultaneous Reduction of Nitrate, Hydrogen Peroxide, and Phosphate in Semiconductor Acidic Wastewater. Ind Eng Chem Res 2013. [DOI: 10.1021/ie402797j] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hiroyuki Yoshino
- Research Center for Biochemical
and Environmental Engineering, Department of Applied Chemistry, Toyo University, Kawagoe, Saitama 350-8585, Japan
| | - Yoshinori Kawase
- Research Center for Biochemical
and Environmental Engineering, Department of Applied Chemistry, Toyo University, Kawagoe, Saitama 350-8585, Japan
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