Surface modification of biochar for dye removal from wastewater

L Goswami, A Kushwaha, SR Kafle, BS Kim - Catalysts, 2022 - mdpi.com
Nowadays, biochar is being studied to a great degree because of its potential for carbon
sequestration, soil improvement, climate change mitigation, catalysis, wastewater treatment …

Eco-friendly magnetic biochar: An effective trap for nanoplastics of varying surface functionality and size in the aqueous environment

N Singh, N Khandelwal, ZA Ganie, E Tiwari… - Chemical Engineering …, 2021 - Elsevier
The surge in nano/microplastics (NPs/MPs) through myriad daily products released in the
aqueous environment highlights the importance of the urgent development of mitigation …

Ultrasonic spray pyrolysis synthesis of TiO 2/Al 2 O 3 microspheres with enhanced removal efficiency towards toxic industrial dyes

THA Nguyen, DT Quang - RSC advances, 2023 - pubs.rsc.org
Developing low-cost and highly effective adsorbent materials to decolorate wastewater is
still challenging in the industry. In this study, TiO2-modified Al2O3 microspheres with …

Nanoplastics interaction with feldspar and weathering originated secondary minerals (kaolinite and gibbsite) in the riverine environment

A Choudhary, N Khandelwal, N Singh, E Tiwari… - Science of The Total …, 2022 - Elsevier
Despite the massive accumulation of nanoplastics (NPs) in the freshwater system, research
so far has highly focused on the marine environment. NPs interaction with mineral surfaces …

Amino-modified biochar-supported S-nZVI for Cr (VI) and total Cr removal from water: Parameter regulation, kinetic and mechanistic analysis

Y Xu, J Guo, S Wen, X Shi, Q He, W Lin, Y Wang… - Journal of Water …, 2024 - Elsevier
Functionalized modified nanoscale zero-valent iron (nZVI) showed superior potential for
removing chromium (Cr) from wastewater. Surface sulfurization of nZVI prevents rapid …

Fabrication of Polyvinylpyrrolidone‐Stabilized Nano Zero‐Valent Iron Supported by Hydrophilic Biochar for Efficient Cr (VI) Removal from Groundwater

R Shamshirgaran, R Malakooti, A Akbarpour… - …, 2022 - Wiley Online Library
Today, eco‐friendly and cost‐effective nanomaterials are vital to ultimately removing
contaminants from groundwater as an essential part of freshwater. In this study …

Inducing non-stoichiometry in nano-hydroxyapatite for ultra-fast sequestration of uranyl ions in water: mechanism delineation using XAS

S Rout, N Khandelwal, AK Poswal, V Pulhani… - Environmental …, 2021 - pubs.rsc.org
The presence of radionuclides in water bodies imposes severe environmental concerns,
and thus their permanent sequestration is of immense importance. In this study, the sorption …

Synthesis and Characterization of Clay-Biochar Composites

MA Akanji, HA Al-Swadi, MA Mousa Mousa… - Clay Composites …, 2023 - Springer
Clay minerals have gained a huge attention of the researcher in recent years owing to their
widespread applications in environment, agriculture, industry, and pharmacy. Despite of the …

Combined antioxidant capped and surface supported redox-sensitive nanoparticles for continuous elimination of multi-metallic species

N Khandelwal, GK Darbha - Chemical Communications, 2021 - pubs.rsc.org
A strategic modification involving (i) a multi-functional almond shell biochar surface support
and (ii) capping with almond skin extracted antioxidants was performed to preserve redox …

Clay-Supported Nanoscale Zero-Valent Iron Composites for Water Purification

YA Alahakoon, U Malaweera Arachchi… - Clay Composites …, 2023 - Springer
Anthropogenic water pollution has resulted in increased concentrations of aquatic
contaminants that can be toxic to human health and the environment. In recent years, the …