Binding Properties of Mechanically Activated Nepheline Containing Mining Waste
The development of apatite and rare-metal deposits of the Khibiny and Lovozero—the world’s largest ultrabasic massifs located in the Kola Alkaline Province—is accompanied by accumulation of huge amounts of sandy tailings dumps, about half consisting of nepheline. These...
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doaj-cb81732808ce486ba2f0bf60142524232020-11-25T02:23:43ZengMDPI AGMinerals2075-163X2020-01-011014810.3390/min10010048min10010048Binding Properties of Mechanically Activated Nepheline Containing Mining WasteBasya I. Gurevich0Elena V. Kalinkina1Alexander M. Kalinkin2Tananaev Institute of Chemistry, Subdivision of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences”, Akademgorodok 26a, Apatity 184209, Murmansk Region, RussiaTananaev Institute of Chemistry, Subdivision of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences”, Akademgorodok 26a, Apatity 184209, Murmansk Region, RussiaTananaev Institute of Chemistry, Subdivision of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences”, Akademgorodok 26a, Apatity 184209, Murmansk Region, RussiaThe development of apatite and rare-metal deposits of the Khibiny and Lovozero—the world’s largest ultrabasic massifs located in the Kola Alkaline Province—is accompanied by accumulation of huge amounts of sandy tailings dumps, about half consisting of nepheline. These tailings, on the one hand, pose a real threat of environmental pollution. On the other hand, they are “technogenic deposits” that contain reserves of valuable components (Na<sub>2</sub>O, K<sub>2</sub>O, Al<sub>2</sub>O<sub>3</sub>, etc.). In this paper, methods of processing of the nepheline-containing mining waste using mechanical activation to produce binding materials—geopolymers and blended cements—are observed. The advantages of combining the nepheline containing tailings dumps with other mining wastes accumulated in the region, such as Cu−Ni slag, are presented.https://www.mdpi.com/2075-163X/10/1/48mining wasteore dressing tailingsnephelinebinding propertiesmechanical activation |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Basya I. Gurevich Elena V. Kalinkina Alexander M. Kalinkin |
spellingShingle |
Basya I. Gurevich Elena V. Kalinkina Alexander M. Kalinkin Binding Properties of Mechanically Activated Nepheline Containing Mining Waste Minerals mining waste ore dressing tailings nepheline binding properties mechanical activation |
author_facet |
Basya I. Gurevich Elena V. Kalinkina Alexander M. Kalinkin |
author_sort |
Basya I. Gurevich |
title |
Binding Properties of Mechanically Activated Nepheline Containing Mining Waste |
title_short |
Binding Properties of Mechanically Activated Nepheline Containing Mining Waste |
title_full |
Binding Properties of Mechanically Activated Nepheline Containing Mining Waste |
title_fullStr |
Binding Properties of Mechanically Activated Nepheline Containing Mining Waste |
title_full_unstemmed |
Binding Properties of Mechanically Activated Nepheline Containing Mining Waste |
title_sort |
binding properties of mechanically activated nepheline containing mining waste |
publisher |
MDPI AG |
series |
Minerals |
issn |
2075-163X |
publishDate |
2020-01-01 |
description |
The development of apatite and rare-metal deposits of the Khibiny and Lovozero—the world’s largest ultrabasic massifs located in the Kola Alkaline Province—is accompanied by accumulation of huge amounts of sandy tailings dumps, about half consisting of nepheline. These tailings, on the one hand, pose a real threat of environmental pollution. On the other hand, they are “technogenic deposits” that contain reserves of valuable components (Na<sub>2</sub>O, K<sub>2</sub>O, Al<sub>2</sub>O<sub>3</sub>, etc.). In this paper, methods of processing of the nepheline-containing mining waste using mechanical activation to produce binding materials—geopolymers and blended cements—are observed. The advantages of combining the nepheline containing tailings dumps with other mining wastes accumulated in the region, such as Cu−Ni slag, are presented. |
topic |
mining waste ore dressing tailings nepheline binding properties mechanical activation |
url |
https://www.mdpi.com/2075-163X/10/1/48 |
work_keys_str_mv |
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