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A case study of long-term geochemical evolution of coal waste rock drainage and its remediation

Lookup NU author(s): Dr Adam Jarvis, Dr Catherine Gandy

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Abstract

The paper discusses the geochemical evolution of drainage from an orphan waste rock pile which has been monitored for 15 years. Historically the drainage was acidic, with elevated iron and aluminium concentrations. The drainage from the 35 hectare waste rock heap, in northern England, was intercepted with a small compost wetland system from 1997, and the waste rock heap itself was selectively capped in 1998. Here we show the measurable improvement in water quality resulting from the capping of the heap, and the very modest costs of long-term treatment of such drainage.


Publication metadata

Author(s): Jarvis AP, Gandy CJ

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Mine water & innovative thinking : proceedings of the International Mine Water Association Symposium, 2010, Sydney, Nova Scotia, Canada

Year of Conference: 2010

Pages: 241-244

Publisher: Cape Breton University Press

Library holdings: Search Newcastle University Library for this item

ISBN: 9781897009475


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