[HTML][HTML] Hexavalent chromium quantification in solution: Comparing direct UV–visible spectrometry with 1, 5-diphenylcarbazide colorimetry
A Sanchez-Hachair, A Hofmann - Comptes …, 2018 - comptes-rendus.academie-sciences …
Le dosage du Cr (VI) en solution aqueuse est effectué par spectrométrie UV–visible directe,
grâce à la couleur jaune de l'ion chromate. Les mesures montrent que la loi de Beer …
grâce à la couleur jaune de l'ion chromate. Les mesures montrent que la loi de Beer …
Removal of chromium from electroplating sludge by roasting-acid leaching and catalytic degradation of antibiotics by its residue
Z Zhou, L Zhang, B Yan, J Wu, D Kong… - Journal of …, 2024 - Elsevier
The recycling of electroplating sludge is of great significance to alleviate environmental
pollution and resource depletion. However, due to the complex composition of electroplating …
pollution and resource depletion. However, due to the complex composition of electroplating …
Chromium removal from contaminated soil using a novel FeOx/granular activated carbon-based three-dimensional electrokinetic system
A novel three-dimensional electrokinetic remediation (3D EKR) system, with FeO x/granular
activated carbon (GAC) composite constituting a third electrode was investigated for the …
activated carbon (GAC) composite constituting a third electrode was investigated for the …
The reduction of chromite ore processing residues by green tea synthesized nano zerovalent iron and its solidification/stabilization in composite geopolymer
F Muhammad, M **a, S Li, X Yu, Y Mao… - Journal of Cleaner …, 2019 - Elsevier
The present study is aimed to reduce the environmental footprints resulted from chromite ore
processing residues (COPR); a hazardous waste having Cr (VI). The solidification …
processing residues (COPR); a hazardous waste having Cr (VI). The solidification …
An increasing Cr recovery from soil with catholyte-enhanced electrokinetic remediation: Effects on voltage redistribution throughout soil sections
M Gao, F Zeng, F Tang, K Wang, X Xu, G Tian - Separation and Purification …, 2020 - Elsevier
The evolution of potential gradient across different soil sections that were responsible for
divergence of Cr migration in electrokinetic (EK) remediation need further investigate. Here …
divergence of Cr migration in electrokinetic (EK) remediation need further investigate. Here …
Electrokinetic removal of chromium from chromite ore-processing residue using graphite particle-supported nanoscale zero-valent iron as the three-dimensional …
T Huang, L Liu, L Zhou, S Zhang - Chemical Engineering Journal, 2018 - Elsevier
Chromite ore processing residue (COPR) contaminates farmland and groundwater around
storage fields through the release of chromium leachate. Graphite particle-supported …
storage fields through the release of chromium leachate. Graphite particle-supported …
Research progress on hazardous chromite ore processing residue treatment and utilization: a critical review
J Chen, X Zhang, Y Wang, C Tan, M Zhou… - Chemical …, 2024 - Taylor & Francis
Chromite ore processing residue (COPR), which is created during the chromite preparation
process of chromite compounds, is considered hazardous waste because it contains …
process of chromite compounds, is considered hazardous waste because it contains …
Simultaneous separation and immobilization of Cr (VI) from layered double hydroxide via reconstruction of the key phases
J Zhou, X Liu, J Zheng, L Li, W Liu, L Lin… - Journal of Hazardous …, 2021 - Elsevier
Layered double hydroxide (LDH) is one of the key host phases of Cr (VI) in the natural
environment and chromite ore processing residue (COPR), causing serious pollution by Cr …
environment and chromite ore processing residue (COPR), causing serious pollution by Cr …
Promoted electrokinetic treatment of Cr from chromite ore processing residue with rhamnolipid: Focusing on the reactions on electrolyte-residue interfaces
Performance of rhamnolipid alone and coupled with citric acid (CA) on Cr removal from
chromite ore processing residue (COPR) was explored in electrokinetic (EK) treatment …
chromite ore processing residue (COPR) was explored in electrokinetic (EK) treatment …
Factors affecting the detection of hexavalent chromium in Cr-contaminated soil
M Huang, G Ding, X Yan, P Rao, X Wang… - International Journal of …, 2022 - mdpi.com
The alkali digestion pretreatment method in the United States Environmental Protection
Agency (USEPA) Method 3060A could underestimate the content of Cr (VI) in Cr …
Agency (USEPA) Method 3060A could underestimate the content of Cr (VI) in Cr …