Sustainable and efficient technologies for removal and recovery of toxic and valuable metals from wastewater: Recent progress, challenges, and future perspectives

A Abidli, Y Huang, ZB Rejeb, A Zaoui, CB Park - Chemosphere, 2022 - Elsevier
Due to their numerous effects on human health and the natural environment, water
contamination with heavy metals and metalloids, caused by their extensive use in various …

A review on valorization of biomass in heavy metal removal from wastewater

A Agarwal, U Upadhyay, I Sreedhar, SA Singh… - Journal of Water …, 2020 - Elsevier
This review summarizes the progress made, in the field of low-cost biosorption of heavy
metal ions, over the past few years. It gives a comprehensive summary of the synthesis …

A review on adsorptive separation of toxic metals from aquatic system using biochar produced from agro-waste

PS Kumar, R Gayathri, BS Rathi - Chemosphere, 2021 - Elsevier
Water is a basic and significant asset for living beings. Water assets are progressively
diminishing due to huge populace development, industrial activities, urbanization and rural …

Polypyrrole modified zirconium (IV) phosphate nanocomposite: An effective adsorbent for Cr (VI) removal by adsorption-reduction mechanism

A Behera, S Sahu, S Pahi, S kumar Singh… - Materials Chemistry and …, 2022 - Elsevier
A novel polypyrrole modified α-zirconium phosphate (PPY–ZrPO 4) nanocomposite was
synthesized by in situ oxidative polymerization method followed by the microwave irradiation …

A comprehensive review on immobilized microbes-biochar and their environmental remediation: Mechanism, challenges and future perspectives

A Saravanan, P Swaminaathan, PS Kumar… - Environmental …, 2023 - Elsevier
The environment worldwide has been contaminated by toxic pollutants and chemicals
through anthropogenic activities, industrial growth, and urbanization. Microbial remediation …

Self-decoration of N-doped graphene oxide 3-D hydrogel onto magnetic shrimp shell biochar for enhanced removal of hexavalent chromium

ME Mahmoud, AK Mohamed, MA Salam - Journal of Hazardous Materials, 2021 - Elsevier
In this work, a novel decorated and combined N-doped graphene oxide hydrogel with
shrimp shell magnetic biochar (NGO3DH-MSSB) biosorbent was fabricated as an effective …

Adsorption studies of toxic cadmium (II) and chromium (VI) ions from aqueous solution by activated black cumin (Nigella sativa) seeds

PM Thabede, ND Shooto, T Xaba, EB Naidoo - Journal of Environmental …, 2020 - Elsevier
Few studies that reported on black cumin seeds (BS) showed that the material has good
adsorption capacity towards metal ions. Therefore, it is fair to conduct further studies on the …

Preparation, characterization and application of activated clay biochar composite for removal of Cr (VI) in water: Isotherms, kinetics and thermodynamics

MC Qhubu, LG Mgidlana, LM Madikizela… - Materials Chemistry and …, 2021 - Elsevier
This study explored the feasibility of employing a new activated clay mineral biochar
composite produced from simultaneous pyrolysis of Macadamia nutshells/groundnut shells …

Nano/micro-cellulose-based materials as remarkable sorbents for the remediation of agricultural resources from chemical pollutants

M Hassanisaadi, RS Riseh, A Rabiei, RS Varma… - International Journal of …, 2023 - Elsevier
Overusing pesticides, fertilizers, and synthetic dyes has significantly increased their
presence in various parts of the environment. The transportation of these pollutants into …

Removal of toxic hexavalent chromium (Cr (VI)) and divalent lead (Pb (II)) ions from aqueous solution by modified rhizomes of Acorus calamus

ND Shooto - Surfaces and Interfaces, 2020 - Elsevier
This work reports on readily available and low cost acorus calamus rhizome (PCR) treated
by hydrochloric acid (HCl) and sodium hydroxide (NaOH) solutions to develop new …