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You are here: Home » Past Issues » Volume 2, 2007 - Number 2 » RESEARCH CONCERNING THE OXIDATION DEGREE OF THE SULPHIDIC TAILINGS FROM THE NOVĂŢ TAILINGS STORAGE FACILITY


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1Marian JELEA, 1Stela-Gabriela JELEA, 2Zsuzsana-Maria KOVACS, 3Dorin-Emil GHEŢA
1North University of Baia Mare, Faculty of Science, 76 Victoriei Street, 430072, Baia Mare, Romania, mjelea@yahoo.com;
2Mining Reseach and Design Institute of Baia Mare, 62 Dr. Victor Babeş Street, 430083, Baia Mare, Romania, zsuzsik@yahoo.com;
3DEG Engineering, 1/52 Transilvaniei Street, 430253 Baia Mare, Romania, dorin.gheta@geoengineering.ro

RESEARCH CONCERNING THE OXIDATION DEGREE OF THE SULPHIDIC TAILINGS FROM THE NOVĂŢ TAILINGS STORAGE FACILITY

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Abstract: In this paper are presented the results of the research concerning the weathering degree of the sulphidic rich tailings deposited on the Novăţ tailings storage facility (Novăţ TSF) Maramureş county and considerations are made about the evolution of the acid drainage process in future. The stage of the oxidation differs as a result of the phenomena of bacterial catalysed oxidation, which occurred depending on the age of the deposited tailings and on the mineralogical, physical, chemical and biological factors. The phenomena of acid mine drainage, once begun will continue, which will lead to physical-chemical and mechanical changes of the tailings, with negative effects over the aquatic life downstream of the Novăţ TSF.

Keyword: sulphidic mine waste, Novăţ tailings storage facility, biosolubilization, acid mine drainage, Acidithiobacillus.


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