Removal of chromium (VI) from water by porous carbon derived from corn straw: Influencing factors, regeneration and mechanism

H Ma, J Yang, X Gao, Z Liu, X Liu, Z Xu - Journal of Hazardous Materials, 2019 - Elsevier
Porous carbon is one of the most widely used materials to remove Cr (VI) from polluted
water. Here we reported one efficient porous carbon material prepared from corn straw. The …

Activated carbon loaded with Ni-Co-S nanoparticle for superior adsorption capacity of antibiotics and dye from wastewater: kinetics and isotherms

A Chowdhury, S Kumari, AA Khan, MR Chandra… - Colloids and Surfaces A …, 2021 - Elsevier
Activated carbon (AC) was synthesized using inexpensive rice husk and was subsequently
loaded with Ni-Co-S (NCS) nanoparticle by a simple and efficient method with very high …

Rice husk, rice husk ash and their applications

Y Zou, T Yang - Rice bran and rice bran oil, 2019 - Elsevier
Rice husk is an important byproduct from the milling process of paddy rice, with a huge
amount being produced worldwide each year. Silica exits abundantly in rice husk in an …

Selective removal of anionic dyes with exceptionally high adsorption capacity and removal of dichromate (Cr2O72-) anion using Ni-Co-S/CTAB nanocomposites and …

A Chowdhury, S Kumari, AA Khan, S Hussain - Journal of hazardous …, 2020 - Elsevier
Abstract An adsorbent Ni-Co-S/CTAB nanocomposites have been synthesized at low
temperature in aqueous medium using nickel acetate, cobalt acetate, thioacetamide and …

Adsorption of Cr (VI) from aqueous solutions using novel activated carbon spheres derived from glucose and sodium dodecylbenzene sulfonate

H Xu, Y Liu, H Liang, C Gao, J Qin, L You… - Science of The Total …, 2021 - Elsevier
Cr (VI) is a common wastewater pollutant. Various adsorbents including carbon-based
materials are used for the removal of Cr (VI) owing to their high adsorption capacity …

Superadsorbent Ni–Co–S/SDS nanocomposites for ultrahigh removal of cationic, anionic organic dyes and toxic metal ions: kinetics, isotherm and adsorption …

A Chowdhury, AA Khan, S Kumari… - … Sustainable Chemistry & …, 2019 - ACS Publications
Novel adsorbent Ni–Co–S/SDS (nickel cobalt sulfide/sodium dodecyl sulfate)
nanocomposites have been synthesized by a simple and eco-friendly approach using water …

Pharmaceutical adsorption on NaOH-treated rice husk-based activated carbons: Kinetics, thermodynamics, and mechanisms

JJ Romero-Hernandez, M Paredes-Laverde… - Journal of Cleaner …, 2024 - Elsevier
This study aims to explore the adsorption behavior of four pharmaceuticals: ciprofloxacin
(CIP), sulfamethoxazole (SUL), diclofenac (DIC), and acetaminophen (ACE) on activated …

Synthesis of mixed phase crystalline CoNi2S4 nanomaterial and selective mechanism for adsorption of Congo red from aqueous solution

A Chowdhury, S Kumari, AA Khan, S Hussain - Journal of Environmental …, 2021 - Elsevier
Calcination is an important factor to obtain crystalline nanomaterial with well-developed
morphologies. A new adsorbent, crystalline CoNi 2 S 4 was synthesized by sulfuration …

Bio-waste assisted phase transformation of Fe3O4/carbon to nZVI/graphene composites and its application in reductive elimination of Cr (VI) removal from aquifer

PP Mon, PP Cho, L Chanadana, KVA Kumar… - Separation and …, 2023 - Elsevier
This paper reports a facile approach for the synthesis of graphene stabilised zero valent iron
(nZVI) via carbothermal reduction method using bio-waste materials. X-ray photoelectron …

Low-cost adsorbent derived from the coconut shell for the removal of hexavalent chromium from aqueous medium

L Chandana, K Krushnamurty, D Suryakala… - Materials Today …, 2020 - Elsevier
A bio-adsorbent was derived from the coconut shells and surface modification of the
adsorbent was done by physical activation by using carbon dioxide (CO 2), ozone (O 3) and …