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Redox and complexation chemistry of the CrVI/Cr V/CrIV-d-glucuronic acid system
(2010)
When excess uronic acid over CrVI is used, the oxidation of d-glucuronic acid (Glucur) by CrVI yields D-glucaric acid (Glucar) and CrIII as final products. The redox reaction involves the formation of intermediate CrIV and ...
Radiometric and spectrophotometric studies of the behavior of chromium(VI) oxide in concentrated perchloric acid
(R Oldenbourg VerlagMunchenAlemanha, 1997)
KINETIC AND EQUILIBRIUM STUDIES OF CR(III) AND CR(VI) SORPTION FROM AQUEOUS SOLUTION USING ROSA GRUSS AN TEPLITZ (RED ROSE) WASTE BIOMASS
(Sociedad Chilena de Química, 2008)
Critical Influence of Culture Medium and Cr(III) Quantification Protocols on the Interpretation of Cr(VI) Bioremediation by Environmental Fungal Isolates
(Springer, 2010-02)
The influence of culture medium composition on chromium(VI) quantification according to diphenylcarbazide (DPC) colorimetric determination was evaluated. Considering the eventual biospeciation of Cr(VI) as a mechanism of ...
Redox and complexation chemistry of the Cr(VI)/CR(V) –D-galacturonic acid system
(2004)
The oxidation of d-galacturonic acid by Cr(VI) yields the aldaric acid and Cr(III) as final products when a 30-times or higher excess of the uronic acid over Cr(VI) is used. The redox reaction involves the formation of ...
Biological removal of hexavalent chromium: evaluation of the metabolic activity of native and Cr(VI)-acclimated activated sludge using a respirometric method
(Taylor & Francis Ltd, 2019-08)
Hexavalent chromium becomes in one of the tops internationally concern environmental issues due to its wide usage in several industrial activities. There are two stable oxidation states of chromium in the environment which ...
Optimization of Culture Conditions for Growth Associated with Cr(VI) Removal by Wickerhamomyces anomalus M10
(Springer, 2016-11)
Chromate-resistant microorganisms with the ability of reducing toxic Cr(VI) to less toxic Cr(III), are candidates for bioremediation. An alternative culture medium to reduce Cr(VI) using Wickerhamomyces anomalus M10 was ...
Removal of chromium(VI) and chromium(III) from aqueous solution by grainless stalk of corn
(TAYLOR & FRANCIS INC, 2008)
Grainless stalk of corn (GLSC) was tested for removal of Cr(VI) and Cr(III) from aqueous solution at different pH, contact time, temperature, and chromium/adsorbent ratio. The results show that the optimum pH for removal ...
Mecanismos de remoção de cromo (VI) em solução por zeólita e vermiculita pré-tratadas com ferro (II)
(Universidade Federal de São Paulo, 2021-07-08)
As atividades industriais podem causar a contaminação de solos e águas ao despejar efluentes contendo metais, como o cromo hexavalente (Cr(VI)), que é altamente tóxico à saúde humana e animal. Nesse contexto, o presente ...
Oxidación de desoxiazucares de interés biológico por acción del Cr(vi) en medio ácido
(Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas., 2019)