Journal
CONTAMINATED SITES REMEDIATION
Volume 414, Issue -, Pages 312-316Publisher
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMR.414.312
Keywords
extraction procedure toxicity; ratio of liquid to solid; solidification additive; harmless disposal; simulated acid rain
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Manganese mine slag was the salvage in the course of manganese producing. Many matters shall be extracted by rain eluviation and then turn into the water and soil to pollute environment. The water content and extraction procedure toxicity of the manganese waste residue were studied. Combining solidification additive was used to process the manganese waste residue for the harmless disposal. The results showed that the contents of Manganese, Zinc, Chromium and Cadmium in the manganese waste slag exceeded the maximum of the Chinese Identification standard for hazardous wastes. The extraction procedure toxicity was effectively decreased by the harmless disposal when the proportion of cement and manganese in the whole mine slag was 60%, and the content of heavy metals in the leaching solution were under the standard. Hence, the method of cement solidification could control the pollution to the environment effectively.
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