Chitosan/carbon dots modified cellulose nanofibrils/ZIF-8 gel bead: An effective and easily separable photocatalytic adsorbent for Cr (VI) removal

X Zhang, J Ouyang, X Qi, Z Li, Q Ma, X Guo… - Chemical Engineering …, 2023 - Elsevier
To tackle the concern of hexavalent chromium (Cr (VI)) contamination, a photocatalytic
adsorbent, chitosan/carbon dots modified cellulose nanofibrils/ZIF-8 gel bead (CCCZ), was …

Energy-efficient reduction of hexavalent chromium on a rotating packed bed of woven steel screens

AS Fathalla, MH Abdel-Aziz, GH Sedahmed… - Journal of Water …, 2023 - Elsevier
This study investigates the rate of hexavalent chromium (Cr 6+) reduction by scrap iron
using a rotating packed bed of horizontally stacked woven iron screens. The primary focus is …

Comparative adsorption study of functionalized magnetite and maghemite nanoparticles coated with ctab surfactant for efficient chromium removal from wastewater

M Naous, A Halfadji - Journal of Water and Environmental …, 2024 - jwent.net
In this study, maghemite and magnetite nanoparticles were functionalized with cetyl trimethyl
ammonium bromide (CTAB) surfactants, in order to obtain effective chromium removal from …

[PDF][PDF] Case Studies in Chemical and Environmental Engineering

I Rahmawati, AW Pratama, SA Pratama, MN Khozin… - researchgate.net
The growing global population challenges the food industry to ensure it remains safe for
consumption. Food waste caused by imbalances between production and handling creates …

Electrochemical Sensing Platform Using Cerium Tungstate for Highly Sensitive Sensing of Chromium in Water

D Pradhan, D Ghosh, DD Mal, S Kumar, J Dei… - Available at SSRN … - papers.ssrn.com
Chromium, in some forms and large amounts, can be hazardous to human health and the
environment. In particular, hexavalent chromium Cr (VI) and its derivatives are the most …

An Equipment-Free, Novel Colorimetric Assay for the Speciation of Hexavalent Chromium Ions with an Overhead Book Scanner in Natural Water Samples

GNA Savvaki, T Maria, GZ Tsogas - … Assay for the Speciation of Hexavalent … - papers.ssrn.com
In this work, a novel approach has been developed for the speciation of hexavalent
chromium ions in natural water samples that relies on the complexation reaction with N, N …