Visible-driven industrial wastewater remediation using black titania: optimization, energy consumption, treatment, and material preparation costs estimation

Nawaz, Rab and Arshad, Ushtar and Marlia, Mohd Hanafiah and Haider, Sajjad and Anjum, Muzammil and Abdel Baki, Zaher and Khan, Rawaiz and Zaini, Sakawi and Muhammad, Aqif and Haider, Adnan and Sumaiya, Zainal Abidin (2025) Visible-driven industrial wastewater remediation using black titania: optimization, energy consumption, treatment, and material preparation costs estimation. Chemical Engineering Science, 306 (121257). pp. 1-20. ISSN 0009-2509. (Published)

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Abstract

Herein, black titania nanoparticles (BTNs) were synthesized via chloride sol–gel route which were then employed for the remediation of phenolic compounds (PCs) contaminated wastewater. A total of 2.70 L of input reagents and 28.33 kWh of electrical energy (EE) were required to produce 1 kilogramme of BTNs at a cost of 1231.872 dollars. The performance of BTNs for the degradation of PCs was significantly affected by various reaction conditions, which were optimized at 1.2 g/L of BTNs, 0.04 mol/L of H2O2, 30 mg/L of PCs concentration, and pH of 7.4 using statistical and machine learning (ML) models. Operated under optimal conditions and visible light, the photocatalytic system based on BTNs augmented by H2O2 consumed 1261.17 kWh/m3 of EE for removing more than 90 % of PCs and COD at a treatment cost (t-cost) of 66.84 $/m3 .

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Black titania nanoparticles; Energy and treatment costs computation; Optimization via different models; Photocatalytic performance; Production cost estimation; Wastewater remediation
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TD Environmental technology. Sanitary engineering T Technology > TP Chemical technology
Faculty/Division:	Centre for Research in Advanced Fluid & Processes (Fluid Centre)
Depositing User:	Mrs. Nurul Hamira Abd Razak
Date Deposited:	29 Apr 2025 06:37
Last Modified:	29 Apr 2025 06:37
URI:	http://umpir.ump.edu.my/id/eprint/44416
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