Fractionation and oxidation of chromium in tannery waste- and sewage sludge-amended soils
Article Abstract:
The fractionation and oxidation of chromium in soils amended with tannery waste and sewage sludge waste were examined to determine the potential hazards of disposing of chromium-rich tannery waste and sewage sludge by applying them on land. The study was conducted over two years under atmospheric conditions. The results showed that after five months, various portions of total chromium in tannery waste-amended soils were oxidized, while chromium in sewage sludge-amended soils did not exhibit oxidation.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1995
User Contributions:
Comment about this article or add new information about this topic:
Determination of hexavalent chromium in sludge incinerator emissions using ion chromatography and inductively coupled plasma mass spectrometry
Article Abstract:
Research was done at the Environmental Protection Agency's Environmental Monitoring Systems Laboratory on the use of ion chromatography and inductively coupled plasma mass spectrometry in evaluating the amount of hexavalent chromium present in emissions from wastewater sludge incinerators. Isotopically enriched chromate salts were used to monitor the reduction of hexavalent chromium during sample collection and to calculate the deposition rate of native hexavalent chromium.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1992
User Contributions:
Comment about this article or add new information about this topic:
Chemical kinetic mechanism for atmospheric chromium
Article Abstract:
A chemical kinetic mechanism was developed and used in computer simulations of typical atmospheric conditions to examine chromium species conversion between oxidation states. Results indicate that under typical conditions, hexavalent chromium will be converted to trivalent chromium, while under extreme conditions, hexavalent chromium will be generated by the oxidation of trivalent chromium.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1995
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Surface-catalyzed autoxidation of sulfur(IV) in aqueous silica and copper(II) oxide suspensions. Mechanism and kinetics of autoxidation of calcium sulfite slurries
- Abstracts: Grain size modeling and optimization of rotary forged Alloy 718. A cobalt diffusion based model for predicting crater wear of carbide tools in machining titanium alloys
- Abstracts: Normalization and elemental sediment contamination in the coastal United States. Solubility of CdS (greenockite) in sulfidic waters at 25 degrees centigrade