[HTML][HTML] Controlled reduction of red mud waste to produce active systems for environmental applications: heterogeneous Fenton reaction and reduction of Cr (VI)

RCC Costa, FCC Moura, PEF Oliveira, F Magalhães… - Chemosphere, 2010 - Elsevier
In this work, controlled reduction of red mud with H2 was used to produce active systems for
two different environmental applications, ie the heterogeneous Fenton reaction and the …

Increasing arsenic sorption on red mud by phosphogypsum addition

G Lopes, LRG Guilherme, ETS Costa, N Curi… - Journal of hazardous …, 2013 - Elsevier
Mining by-products have been tested as adsorbents for arsenic in order to reduce As
bioavailability. This study evaluated a red mud (RM) treated with or without phosphogypsum …

Sorption of cadmium in some soil amendments for in situ recovery of contaminated soils

MD Carrillo Zenteno, RCA De Freitas… - Water, Air, & Soil …, 2013 - Springer
Although Cd concentrations in uncontaminated soils are usually low, pollution of soils by Cd
from different sources of contamination pose problems. The application of soil amendments …

Assessment of the use of red mud as a catalyst for photodegradation of bisphenol A in wastewater treatment

RV Busto, M Gonçalves, LHG Coelho - Water Science and …, 2016 - iwaponline.com
This study aimed to investigate the use of red mud (RM)–a byproduct of aluminum
production, as a photocatalyst, which was characterized physical-chemically and used in the …

Phytoremediation of Arsenic-contaminated soils amended with red mud combined with phosphogypsum

ET de Souza Costa, G Lopes, GS Carvalho… - Water, Air, & Soil …, 2021 - Springer
Several industrial by-products may be used as amendments to reduce arsenic availability in
contaminated areas, hence contributing to phytoremediation processes. This study was …

Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud

BC Pichinelli, MSG da Silva, FT da Conceição… - Water, Air, & Soil …, 2017 - Springer
This study aimed to investigate a novel method of red mud neutralisation by Ca (NO 3) 2
(NRM), keeping its adsorption capacity in relation to natural red mud (RM) for Ni (II), Pb (II) …

Effect of equilibrium solution ionic strength on the adsorption of Zn, Cu, Cd, Pb, As, and P on aluminum mining by-product

ET de S. Costa, LRG Guilherme, G Lopes… - Water, Air, & Soil …, 2014 - Springer
This study evaluated the effect of the soil solution ionic strength (IS) on the adsorption of Zn,
Cu, Cd, Pb, As, and P on aluminum mining by-product (AMB), as well as performed the …

Competitive sorption of arsenate and phosphate on aluminum mining by-product

ETS Costa, LRG Guilherme, G Lopes, JM Lima… - Water, Air, & Soil …, 2012 - Springer
Studies concerning competitive sorption of anions on oxidic materials eligible to be used as
soil amendments are crucial for a better understanding of the adsorbent's effectiveness and …

Beneficial use of industrial by-products for phytoremediation of an arsenic-rich soil from a gold mining area

G Lopes, PAA Ferreira, FG Pereira, N Curi… - International journal …, 2016 - Taylor & Francis
This study investigated two industrial by-products–red mud (RM) and its mixture with
phosphogypsum (RMG), as amendments in an As (5+)-contaminated soil from a gold mining …

Avaliação da lixiviação do cádmio e níquel provenientes da degradação de baterias níquel-cádmio em uma coluna de solo

AC Martinelli, RV Barrada, SAD Ferreira… - Química …, 2014 - SciELO Brasil
Resumo Spent nickel-cadmium (Ni-Cd) batteries and salts of nickel and cadmium were
placed in two different columns of soil for a period of two years. A leaching solution was …