Synthesis of a Goethite Pigment by Selective Precipitation of Iron from Acidic Coal Mine Drainage

Synthesis of a Goethite Pigment by Selective Precipitation of Iron from Acidic Coal Mine Drainage Conventional treatment of acid rock drainage (ARD) from coal mines generates large volumes of sludge, which requires further treatment and disposal. The aim of this work was to study the recovery of iron by selective precipitation to synthetize goethite for use as pigment. Goethite particles were successfully produced, and presented a particle distribution in the range of nano- and micro-sizes, varying from 0.04 to 5.0 µm when produced as paste suspension, or from 0.04 to 25.0 µm when dried at 60 °C and converted to a solid powder. The pigment was used to color a white cement paste, giving it a yellow ochre color. ARD treatment plants can adopt this process to reduce waste disposal issues and produce a valuable mineral (e.g., yellow pigment for concrete). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mine Water and the Environment Springer Journals

Synthesis of a Goethite Pigment by Selective Precipitation of Iron from Acidic Coal Mine Drainage

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Subject
Earth Sciences; Geology; Water Quality/Water Pollution; Hydrogeology; Mineral Resources; Ecotoxicology; Industrial Pollution Prevention
ISSN
1025-9112
eISSN
1616-1068
D.O.I.
10.1007/s10230-017-0448-2
Publisher site
See Article on Publisher Site

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