Amino-terminated SiO2-Al2O3 composite aerogels from fly ash for improved removal of Cu2+ and Pb2+ ions in wastewater: one-pot synthesis, excellent adsorption capacity and mechanism

Review Chemistry, Analytical

Adsorption of heavy metal ions by various low-cost adsorbents: a review

Rupa Chakraborty et al.

Summary: Environmental pollution from heavy metal ions is a serious global concern. Adsorption is a low-cost and efficient method for their removal, highlighting the importance of developing affordable and readily available adsorbents.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY (2022)

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Article Environmental Sciences

Assessment of heavy metal accumulations and health risk potentials in tomatoes grown in the discharge area of a municipal wastewater treatment plant

E. Isil Arslan Topal et al.

Summary: Heavy metals were detected in organs of tomatoes grown in the discharge area of effluents, with the highest concentrations found in roots followed by leaves, stems, and fruits. The health risk potentials of these heavy metals in tomatoes consumed by humans were investigated, highlighting potential risks for male, female, and children, with different exposure doses and carcinogenic risks identified.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH (2022)

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Article Materials Science, Multidisciplinary

Enhanced sequestration of heavy metals from aqueous solution on polyacrylamide grafted with cell@Fe3O4 nanocomposite

Rais Ahmad et al.

Summary: In this study, a poly(acrylamide)-grafted cell@Fe3O4 (PAC@Fe3O4) nanocomposite was synthesized, and its adsorption performance for Pb(II), Ni(II), and Cu(II) in wastewater was investigated. The research found that the adsorption efficiency was pH-dependent, with the highest removal occurring at high pH levels and at pH 5 for all three metal ions. The maximum adsorption capacities were determined to be 313.02 mg g(-1) for Pb(II), 219.33 mg g(-1) for Ni(II), and 210.71 mg g(-1) for Cu(II). Kinetic analysis revealed that the adsorption of metal ions followed second-order kinetics, with chemical adsorption as the rate-limiting step. The adsorption process was endothermic and spontaneous.

EMERGENT MATERIALS (2022)

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Article Biochemistry & Molecular Biology

Novel in-situ fabrication of L-methionine functionalized bionanocomposite for adsorption of Amido Black 10B dye

Rais Ahmad et al.

PROCESS BIOCHEMISTRY (2022)

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Article Environmental Sciences

Simultaneous adsorption of chromium and acidic dye from leather tannery model wastewater using a novel modified nanoclay

M. Golghasemi Sorkhabi et al.

Summary: Local nano-clay modified by surfactant was effectively used for simultaneous removal of Cr3+ and acidic dye from model tannery wastewater, with maximum adsorption capacities of 193.1390 mg/g and 144.1782 mg/g, respectively. The study showed that the simultaneous adsorption of contaminants followed the pseudo-second-order model, and the adsorption data fitting isotherm models indicated synergistic and antagonistic adsorptions in binary solutions.

ENVIRONMENTAL EARTH SCIENCES (2021)

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Article Engineering, Environmental

Selective adsorption of Pb2+ and Cu2+ on amino-modified attapulgite: Kinetic, thermal dynamic and DFT studies

Lei Xu et al.

Summary: Both adsorption experiments and theoretical calculations showed that Pb2+ is more readily adsorbed by M-ATP due to its stability, making it challenging for Cu2+ to replace Pb2+ from M-ATP.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Physical

Removal of Heavy Metal Ions from One- and Two-Component Solutions via Adsorption on N-Doped Activated Carbon

Justyna Kazmierczak-Razna et al.

Summary: This study found that activated carbons modified with nitrogen functional groups exhibit a higher capacity for heavy metal ion adsorption, with adsorption increasing with solution concentration and contact time. The optimal pH for adsorption was determined to be 8.0 for Cu(II) and 6.0 for Zn(II), with Langmuir isotherm providing a better fit to the experimental data than the Freundlich isotherm. The kinetic data was better described by the pseudo-second order model.

MATERIALS (2021)

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Article Chemistry, Physical

Hydroxyl modification of silica aerogel: An effective adsorbent for cationic and anionic dyes

Kao Chen et al.

Summary: Hydrophobic silica aerogels prepared from rice husk ash demonstrate high efficiency in adsorbing oil wastewater; surface properties and pore structure can be easily adjusted through heat treatment; modified silica aerogels show promising adsorption abilities for cationic and anionic dyes, with high adsorption efficiency even after multiple cycles of adsorption/desorption.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2021)

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Article Engineering, Chemical

Expeditious and enhanced sequestration of heavy metal ions from aqueous environment by papaya peel carbon: a green and low-cost adsorbent

Jyoti Mittal et al.

Summary: The study found that papaya peel carbon (PPC) can effectively remove heavy metal ions Pb(II), Cu(II), and Ni(II) from aqueous phases, making it a potential low-cost alternative adsorbent. The research also explored optimal adsorption conditions and kinetic parameters, providing insights into the adsorption process mechanisms.

DESALINATION AND WATER TREATMENT (2021)

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Article Engineering, Chemical

Synthesis of sustainable silica xerogels/aerogels using inexpensive steel slag and bean pod ash: A comparison study

Gulcihan Guzel Kaya et al.

ADVANCED POWDER TECHNOLOGY (2020)

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Article Materials Science, Ceramics

Synthesis of SiO2-Al2O3 composite aerogel from fly ash: a low-cost and facile approach

Manman Shen et al.

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY (2020)

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Article Engineering, Environmental

Removal of As(V), Cr(VI) and Cu(II) using novel amine functionalized composite nanofiltration membranes fabricated on ceramic tubular substrate

Sanjukta Roy et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Environmental Sciences

Efficient adsorption of multiple heavy metals with tailored silica aerogel-like materials

Joao P. Vareda et al.

ENVIRONMENTAL TECHNOLOGY (2019)

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Review Chemistry, Multidisciplinary

Conventional and non-conventional adsorbents for wastewater treatment

Gregorio Crini et al.

ENVIRONMENTAL CHEMISTRY LETTERS (2019)

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Article Chemistry, Physical

Kinetics, isotherms and thermodynamic modeling of Mn2+ and Zn2+ single and binary removal using mercapto functionalized silica aerogel

Seyed Saeed Mirzaee et al.

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY (2019)

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Article Environmental Sciences

Adsorption of Cr (III) using an Iranian natural nanoclay: applicable to tannery wastewater: equilibrium, kinetic, and thermodynamic

Fatemeh Notghi Oskui et al.

ENVIRONMENTAL EARTH SCIENCES (2019)

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Article Chemistry, Physical

Removal of heavy metals from aqueous solution using chitosan-combined magnetic biochars

Fangfang Xiao et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2019)

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Review Chemistry, Multidisciplinary

Environmental Chemistry and Ecotoxicology of Hazardous Heavy Metals: Environmental Persistence, Toxicity, and Bioaccumulation

Hazrat Ali et al.

JOURNAL OF CHEMISTRY (2019)

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Article Green & Sustainable Science & Technology

Modeling and optimization of chromium adsorption onto clay using response surface methodology, artificial neural network, and equilibrium isotherm models

Fatemeh Notghi Oskui et al.

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY (2019)

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Article Chemistry, Applied

Selective adsorption of toxic heavy metal ions using guanine-functionalized mesoporous silica [SBA-16-g] from aqueous solution

Radha Gupta et al.

MICROPOROUS AND MESOPOROUS MATERIALS (2019)

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Article Chemistry, Physical

Adsorption of Pb2+ and Cd2+ onto Spirulina platensis harvested by polyacrylamide in single and binary solution systems

Xiaolu Sun et al.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2019)

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Article Engineering, Environmental

Morphology-controlled synthesis of calcium titanate particles and adsorption kinetics, isotherms, and thermodynamics of Cd(II), Pb(II), and Cu (II) cations

Ying Hang et al.

JOURNAL OF HAZARDOUS MATERIALS (2019)

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Article Engineering, Environmental

Adsorption of Cr(VI) and Cu(II) from aqueous solutions by biochar derived from Chaenomeles sinensis seed

Xiaoling Hu et al.

WATER SCIENCE AND TECHNOLOGY (2019)

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Article Chemistry, Physical

Synthesis of high specific surface area silica aerogel from rice husk ash via ambient pressure drying

Qingge Feng et al.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2018)

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Article Environmental Sciences

Adsorption of a cationic dye (methylene blue) by Iranian natural clays from aqueous solutions: equilibrium, kinetic and thermodynamic study

Hassan Aghdasinia et al.

ENVIRONMENTAL EARTH SCIENCES (2018)

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Article Chemistry, Physical

Facile co-precursor sol-gel synthesis of a novel amine-modified silica aerogel for high efficiency carbon dioxide capture

Zai-Dong Shao et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2018)

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Article Materials Science, Ceramics

Thermal stability of Al-modified silica aerogels through epoxide-assisted sol-gel route followed by ambient pressure drying

Xuan Ling et al.

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY (2018)

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Article Biotechnology & Applied Microbiology

Novel recyclable (Xanthan gum/montmorillonite) bionanocomposite for the removal of Pb (II) from synthetic and industrial wastewater

Anam Mirza et al.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2018)

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Article Materials Science, Ceramics

Functionalized silica xerogels for adsorption of heavy metals from groundwater and soils

Joao P. Vareda et al.

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY (2017)

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Article Environmental Sciences

Influence of pH on heavy metal speciation and removal from wastewater using micellar-enhanced ultrafiltration

Jinhui Huang et al.

CHEMOSPHERE (2017)

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Review Engineering, Environmental

Recent advances in aerogels for environmental remediation applications: A review

Hajar Maleki

CHEMICAL ENGINEERING JOURNAL (2016)

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Article Chemistry, Applied

Formation and role of Cu+ species on highly dispersed CuO/SBA-15 mesoporous materials for SOx removal: An XPS study

Pierrick Gaudin et al.

FUEL PROCESSING TECHNOLOGY (2016)

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Article Materials Science, Ceramics

Amino-terminated SiO2 aerogel towards highly-effective lead (II) adsorbent via the ambient drying process

Yu-Di Huang et al.

JOURNAL OF NON-CRYSTALLINE SOLIDS (2016)

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Article Chemistry, Multidisciplinary

Elegant cooperativity of noncovalent interactions in effective removal of Cu-EDTA from water via stepwise addition of polymer and surfactant

Yanan Zhang et al.

RSC ADVANCES (2016)

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Amino-terminated SiO2-Al2O3 composite aerogels from fly ash for improved removal of Cu2+ and Pb2+ ions in wastewater: one-pot synthesis, excellent adsorption capacity and mechanism

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