Iron Promoted TiO2-Activated Carbon Nanocomposites for Photocatalytic Degradation of Congo Red in Water DOI Open Access
Daniela Negoescu, Veronica Brătan, Mihaela Gherendi

и другие.

Catalysts, Год журнала: 2024, Номер 14(12), С. 844 - 844

Опубликована: Ноя. 22, 2024

Nanocomposites containingTiO2 and activated carbon were obtained by the sol-gel method in presence of Brij 58 surfactant. The sample with a higher surface area (185.6 m2/g) was promoted Fe impregnating it aqueous solution Fe(NO3)3. iron loadings, measured using X-ray fluorescence, 0.83%, 3.30% 7.17%. TiO2 anatase identified all samples diffraction Raman spectroscopy, but oxides could not be detected. However, infrared spectroscopy indicated existence Fe-O Fe-O-Ti bonds. photoelectron revealed Fe2+ for lower content mixture Fe3+ 7.17% Fe. UV-Vis photoluminescence showed alongside TiO2. This combination led to new properties due generation intermediate energy levels defects, contributing an enhancement photocatalytic performance. highest photodegradation efficiency Congo red (84.46%) under visible light irradiation acidic conditions. synergistic contribution dye adsorption demonstrated, taking into account ZPC values nanocomposites. Kinetic studies completed reaction mechanisms based on results scavengers.

Язык: Английский

Facile preparation of high-performance hydrochar/TiO2 heterojunction visible light photocatalyst for treating Cr(VI)-polluted water DOI
Yongcai Zhang, Chang Liu,

Panpan Nian

и другие.

Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2023, Номер 681, С. 132775 - 132775

Опубликована: Ноя. 14, 2023

Язык: Английский

Процитировано

91

Photocatalytic degradation of acetaminophen using a novel TiO2-orange peel-derived biochar composite: Synthesize, characterization and optimization of key factors DOI

Mohammad Sina Mohtaram,

Soheil Mohtaram, Samad Sabbaghi

и другие.

Journal of Water Process Engineering, Год журнала: 2024, Номер 58, С. 104884 - 104884

Опубликована: Янв. 28, 2024

Язык: Английский

Процитировано

30

Sunlight-driven photocatalytic and anticancer properties of biogenic synthesized gold nanoparticles (AuNPs) employing Polygala elongata DOI Creative Commons

M. Elangovan,

Murali Santhoshkumar,

Kumar Selvaraj

и другие.

Journal of King Saud University - Science, Год журнала: 2024, Номер 36(5), С. 103158 - 103158

Опубликована: Март 7, 2024

The current study uses an economical and ecologically friendly method to produce gold (Au) nanoparticles (NPs) using Polygala elongata leaf (PEL) extract as a reducing stabilizing agent. synthesized materials were characterized range of methods, including BET analysis, TEM-SAED, FT-IR, UV–Vis, XRD. Biogenic AuNPs' spherical form was shown by SEM TEM investigations, which also showed that the particles' size 10–20 nm, their distribution homogeneous, there observed minimal aggregation. production biogenic AuNPs confirmed observation surface plasmon resonance peak in absorption spectra, detected at 540 nm. Additionally, studies conducted on catalytic, cytotoxic, antioxidant, anticancer characteristics AuNPs. exhibited adaptable applications heterogeneous catalyst, achieving percentage degradations 73 % 88 under UV light irradiation, particularly catalyzing reduction Methylene Blue (MeB). Furthermore, antioxidant properties evaluated DPPH free radical scavenging assay regarding rutin, widely used antioxidant. With cytotoxicity value 500 µg/ml, produced had strong dose-dependent inhibitory effect development lung cancer cell line (A549). Therefore, hold potential across various research domains, spanning biological industrial sectors, well removal harmful contaminants water purification.

Язык: Английский

Процитировано

8

A Maghemite (γ-Fe2O3) Incorporated Activated Carbon Photocatalytic Nanocomposite Fabricated via Co-Precipitation Utilized Against Degradation of Methyl Orange DOI

Mohammad Faheem,

Tahir Iqbal, Sumera Afsheen

и другие.

Optical Materials, Год журнала: 2024, Номер unknown, С. 116131 - 116131

Опубликована: Сен. 1, 2024

Язык: Английский

Процитировано

8

Valorization of Lignocellulosic Biomass for Photocatalytic Applications: Development of Activated Carbon-TiO2 Composites DOI Creative Commons

Mariana Rodrigues Meirelles,

Amanda S. Giroto, Katsuko FURUKAWA

и другие.

ACS Sustainable Resource Management, Год журнала: 2025, Номер unknown

Опубликована: Март 13, 2025

Язык: Английский

Процитировано

1

Removal of Acetaminophen from Aqueous Solutions in an Adsorption Process DOI Open Access
Agata Skwarczyńska, A. Puszkarewicz

Materials, Год журнала: 2024, Номер 17(2), С. 431 - 431

Опубликована: Янв. 16, 2024

Acetaminophen (C8H9NO2, also called paracetamol) is an active metabolite of phenacetin with antipyretic and analgesic effects has been extensively used as a painkiller. Currently, the problem pharmaceuticals in water sewage common, especially highly urbanized countries. Laboratory-scale experiments were carried out using adsorbent—granulated activated carbon (WD-extra)—to remove acetaminophen (ACT) from water. The initial concentration was 20 mg ACT/dm3. adsorption kinetics, influence pH on dose adsorbent determined under batch conditions. ACT more efficient when solution acidic (at 2, it most effective). highest percentage removal (99%) obtained for WD-extra 10.0 g/dm3. time taken to establish dynamic equilibrium system 60 min. effectiveness based Freundlich Langmuir isotherms. It found that effectively removed solutions.

Язык: Английский

Процитировано

5

Performance and reaction mechanism of montmorillonite/α-Fe2O3/starch bio-nanocomposite as high-efficiency photocatalytic degradation of acetaminophen: Characterization, feasibility, and pathway DOI

Mehrab Pourmadadi,

Nafiseh Aghababaei,

Majid Abdouss

и другие.

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 279, С. 135363 - 135363

Опубликована: Сен. 10, 2024

Язык: Английский

Процитировано

5

Novel strategies to develop efficient carbon/TiO2 photocatalysts for the total mineralization of VOCs in air flows: Improved synergism between phases by mobile N-, O- and S-functional groups DOI Creative Commons
Lorena T. Pérez-Poyatos, Luisa M. Pastrana‐Martínez, Sergio Morales‐Torres

и другие.

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 160986 - 160986

Опубликована: Фев. 1, 2025

Язык: Английский

Процитировано

0

Synthesis and Investigation of Na-Zeolite-Decorated Black TiO2 Hybrid Material with Enhanced Properties DOI Creative Commons

Corina Orha,

Mina-Ionela Morariu,

Mircea Nicolaescu

и другие.

Crystals, Год журнала: 2025, Номер 15(4), С. 319 - 319

Опубликована: Март 27, 2025

Enhancing the photocatalytic efficiency of oxide materials under Vis light remains a significant challenge within scientific community. Natural zeolite–metal composites exhibit enhanced properties, especially due to zeolite’s large active surface area, which facilitates incorporation metal nanoparticles into its structure, thereby significantly increasing efficiency. The present study presents synthesis Na-zeolite-decorated black-TiO2 by impregnation method, in order improve structural characteristics absorb visible light. experimental protocol involves two main steps: first, and white-TiO2 nanocrystals using sol-gel second, preparation hybrid materials, consisting Na-zeolite decorated with white-TiO2, through followed thermal treatment. morpho-structural optical properties as-synthesized were investigated XRD, SEM/EDX, FTIR, DRUV-VIS analysis. characterization results indicated that natural zeolite has good stabilization, lamellar texture spherical form anatase-TiO2 being highlighted SEM. In case black-TiO2, adsorption edge is slightly shifted range, while absorbs only ultraviolet region. above showed these are adequate for application processes.

Язык: Английский

Процитировано

0

Cypress cones solid waste derived biochar for efficient uptake of paracetamol from synthetic wastewater: characterization, kinetic, isotherm, and thermodynamic studies DOI

Imane Akacha,

Abdelkrim Merzouguı, Khadidja Bouzid

и другие.

Biomass Conversion and Biorefinery, Год журнала: 2025, Номер unknown

Опубликована: Март 27, 2025

Язык: Английский

Процитировано

0