Prediction of Acid Generation Potential in the Haizhou Waste Rock Pile, Northeast of China
Publish place: 2nd International Congress of Applied Geology
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IAGC02_003
تاریخ نمایه سازی: 25 آذر 1395
Abstract:
The present study involved the assessment of potential generation of acid drainage from a large coal waste rock pile in China. Laboratory-based static tests including paste pH and paste conductivity, acid-base accounting (ABA), and static net acid generation (NAG) on waste rock samples were conducted. Static tests are short term and relatively low cost tests developed to provide an estimate of a mine waste's capacity to produce acid and its capacity to neutralize acid. The static tests, mineralogical and geochemical composition of soils suggest that the waste rock is non-acid generating. The large amount of aluminosilicate minerals and probably trace amounts of carbonates with respect to low sulfur content of waste rock pile represents a potentially large source of neutralization potential according to test results.
Authors
Hadi Hajizadeh Namaghi
College of Mining, Liaoning Technical University, Fuxin,123000, China
Li Sheng
College of Mining, Liaoning Technical University, Fuxin,123000, China
Cong Xin
Department of Environmental Engineering, Liaoning Technical University, Fuxin,123000, China
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