Treatment of aqueous streams containing strong oxidants using bituminous coal

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Description

Certain oxidizing contaminants, notably Cr(VI) and Mn(VII), are attenuated by reduction and sorption on organic matter in soils. Coals have some chemical similarity with this organic matter, and might be used on an industrial scale to treat effluents. We have studied the ability of acidic KMnO{sub 4} to oxidize Upper Freeport, bituminous coal with concurrent sorption of the resulting Mn(IV) and Mn(II). The oxidizing ability of Cr(VI) was briefly investigated. The ability of the oxidized coal to sorb Cu{sup 2+} and Cd{sup 2+} was then studied, and compared with coal oxidized by hydrogen peroxide. The effect of oxidation treatment, metal ... continued below

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8 p.

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Doyle, F.M. & Bodine, D.L. December 31, 1995.

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Description

Certain oxidizing contaminants, notably Cr(VI) and Mn(VII), are attenuated by reduction and sorption on organic matter in soils. Coals have some chemical similarity with this organic matter, and might be used on an industrial scale to treat effluents. We have studied the ability of acidic KMnO{sub 4} to oxidize Upper Freeport, bituminous coal with concurrent sorption of the resulting Mn(IV) and Mn(II). The oxidizing ability of Cr(VI) was briefly investigated. The ability of the oxidized coal to sorb Cu{sup 2+} and Cd{sup 2+} was then studied, and compared with coal oxidized by hydrogen peroxide. The effect of oxidation treatment, metal ion concentration, and solution pH on metal uptake kinetics and coal loading was investigated. Potential applications for treating effluents containing oxidizing ions are discussed.

Physical Description

8 p.

Notes

OSTI as DE96007766

Source

  • Engineering Foundation conference on technological solutions for pollution prevention in the mining and mineral processing industries, Palm Coast, FL (United States), 22-27 Jan 1995

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  • Other: DE96007766
  • Report No.: CONF-9501128--1
  • Grant Number: FG22-90PC90287
  • DOI: 10.2172/206445 | External Link
  • Office of Scientific & Technical Information Report Number: 206445
  • Archival Resource Key: ark:/67531/metadc667780

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Dec. 4, 2015, 1:51 p.m.

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Doyle, F.M. & Bodine, D.L. Treatment of aqueous streams containing strong oxidants using bituminous coal, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc667780/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.