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The contribution of dry indoor built environment on the spread of Coronavirus: Data from various Indian states.

Author(s): V AAR, R V, Haghighat F

Coronavirus spread is more serious in urban metropolitan cities compared to rural areas. It is observed from the data on the infection rate available in the various sources that the cold and dry conditions accelerate the spread of coronavirus. In the presen...

Article GUID: 32834934
Photocatalytic degradation of sulfamethoxazole by hierarchical magnetic ZnO@g-C3N4: RSM optimization, kinetic study, reaction pathway and toxicity evaluation.

Author(s): Mirzaei A, Yerushalmi L, Chen Z, Haghighat F

J Hazard Mater. 2018 Oct 05;359:516-526 Authors: Mirzaei A, Yerushalmi L, Chen Z, Haghighat F

Article GUID: 30086522
Hydrothermal/solvothermal synthesis and treatment of TiO2 for photocatalytic degradation of air pollutants: Preparation, characterization, properties, and performance.

Author(s): Mamaghani AH, Haghighat F, Lee CS

Chemosphere. 2019 Mar;219:804-825 Authors: Mamaghani AH, Haghighat F, Lee CS

Article GUID: 30572234
Sonocatalytic removal of ampicillin by Zn(OH)F: Effect of operating parameters, toxicological evaluation and by-products identification.

Author(s): Mirzaei A, Haghighat F, Chen Z, Yerushalmi L

J Hazard Mater. 2019 Apr 22;375:86-95 Authors: Mirzaei A, Haghighat F, Chen Z, Yerushalmi L

Article GUID: 31054533
Title:Photocatalytic degradation of sulfamethoxazole by hierarchical magnetic ZnO@g-C3N4: RSM optimization, kinetic study, reaction pathway and toxicity evaluation.
Authors:Mirzaei A,  Yerushalmi L,  Chen Z,  Haghighat F
Link:https://www.ncbi.nlm.nih.gov/pubmed/30086522?dopt=Abstract
Category:J Hazard Mater
PMID:30086522
Dept Affiliation: ENCS
1 Department of Building, Civil and Environmental Engineering (BCEE), Faculty of Engineering & Computer Sciences, Concordia University, Montreal, Canada.
2 Department of Building, Civil and Environmental Engineering (BCEE), Faculty of Engineering & Computer Sciences, Concordia University, Montreal, Canada. Electronic address: zhichen@alcor.concordia.ca.

Description:

Photocatalytic degradation of sulfamethoxazole by hierarchical magnetic ZnO@g-C3N4: RSM optimization, kinetic study, reaction pathway and toxicity evaluation.

J Hazard Mater. 2018 Oct 05;359:516-526

Authors: Mirzaei A, Yerushalmi L, Chen Z, Haghighat F

Abstract

The degradation of sulfamethoxazole (SMX) by a synthesized hierarchical magnetic zinc oxide based composite ZnO@g-C3N4 (FZG) was examined. Hierarchical FZG was synthesized by using Fe3O4 nanoparticle as the magnetic core and urea as the precursor for in situ growth of g-C3N4 on the surface of petal-like ZnO. The effect of catalyst dosage (0.4-0.8?g/L), solution pH (3-11) and airflow rate (0.5-2.5?L/min) on the SMX removal efficiency and the optimization of process was studied by response surface methodology (RSM) based on central composite design (CCD). The obtained RSM model with R2?=?0.9896 showed a satisfactory correlation between the predicted values and experimental results of SMX removal. Under the optimum conditions, i.e. 0.65?g/L photocatalyst concentration, pH?=?5.6 and airflow rate?=?1.89?L/min, 90.4% SMX removal was achieved after 60?min reaction. The first-order kinetic rate constant for SMX removal by using FZG was 0.0384 min-1 while the rate constant by commercial ZnO was 0.0165?min-1. Moreover, under the optimum conditions, about 64% COD removal and 45% TOC removal and a considerable reduction in toxicity were observed. The analysis of generated intermediates during the photocatalytic degradation of SMX was conducted by LC-HR-MS/MS method and a degradation pathway was proposed.

PMID: 30086522 [PubMed - in process]