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Permanent under water storing of weathered mine waste after removal of fine fraction and addition of ash
Örebro universitet, Institutionen för naturvetenskap och teknik. (Forskningscentrum Människa-Teknik-Miljö)ORCID-id: 0000-0002-2674-4994
Bergskraft Bergslagen AB, Kopparberg, Sweden.ORCID-id: 0000-0001-9348-6481
2014 (engelsk)Inngår i: An Interdisciplinary Response to Mine Water Challenges / [ed] Sui, W., Sun, Y. & Wang, C., Xuzhou: China University of Mining and Technology Press , 2014, s. 711-714Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Weathered sulphidic mine waste is a major environmental problem. An experiment was performed in order to study water covers for oxidized mine waste. In two experiments oxidized mine waste were covered with water, in one experiment the fine fraction was removed and in one experiment alkaline ash was also added prior to water covering. It was found that removal of the fine fraction decreased pH and increased trace element concentrations. Water covering of the mine waste with and without ash decreased trace element concentrations indicating that co disposing oxidized sulphidic mine waste and ash under water might be a promising remediation method.

sted, utgiver, år, opplag, sider
Xuzhou: China University of Mining and Technology Press , 2014. s. 711-714
Emneord [en]
Acid rock drainage, oxidized mine waste, alkaline, remediation, copper
HSV kategori
Forskningsprogram
Kemi
Identifikatorer
URN: urn:nbn:se:oru:diva-40595ISBN: 978-7-5646-2437-8 (tryckt)OAI: oai:DiVA.org:oru-40595DiVA, id: diva2:777771
Konferanse
An Interdisciplinary Response to Mine Water Challenges - International mine water Association conference, Xuzhou, China, 18-22 August, 2014
Tilgjengelig fra: 2015-01-08 Laget: 2015-01-08 Sist oppdatert: 2019-03-26bibliografisk kontrollert

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