| dc.contributor.author |
Panda, S. |
|
| dc.contributor.author |
Akcil, A. |
|
| dc.contributor.author |
Mishra, S. |
|
| dc.contributor.author |
Erust, C. |
|
| dc.date.accessioned |
2018-12-17T10:34:08Z |
|
| dc.date.available |
2018-12-17T10:34:08Z |
|
| dc.date.issued |
2018 |
|
| dc.identifier.citation |
Journal Of Hazardous Materials, 342, 2018: 454-463 |
|
| dc.identifier.issn |
0304-3894 |
|
| dc.identifier.uri |
http://ore.immt.res.in/handle/2018/2460 |
|
| dc.description |
TUBITAK [2216]; Scientific and Technological Research Council of Turkey [TUBITAK - 2216]; Suleyman Demirel University Research Projects Coordination Unit [3605-YL2-13] |
|
| dc.description.abstract |
Simultaneous multi-metal leaching from industrial pyrite ash is reported for the first time using a novel bioreactor system that allows natural diffusion of atmospheric O-2 and CO2 along with the required temperature maintenance. The waste containing economically important metals (Cu, Co, Zn &As) was leached using an adapted consortium of meso-acidophilic Fe2+ and S oxidising bacteria. The unique property of the sample supported adequate growth and activity of the acidophiles, thereby, driving the (bio) chemical reactions. Oxido-reductive potentials were seen to improve with time and the system's pH lowered as a result of active S oxidation. Increase in sulphur dosage (>1 g/L) and agitation speed (>150 rpm) did not bear any significant effect on metal dissolution. The consortium was able to leach 94.01% Cu (11.75% dissolution/d), 98.54% Co (12.3% dissolution/d), 75.95% Zn (9.49% dissolution/d) and 60.80% As (7.6% dissolution/d) at 150 rpm, 1 g/L sulphur, 30 degrees C in 8 days. (C) 2017 Elsevier B.V. All rights reserved. |
|
| dc.language |
en |
|
| dc.publisher |
Elsevier |
|
| dc.relation.isreferencedby |
SCI |
|
| dc.rights |
Copyright [2018]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository. |
|
| dc.subject |
Engineering |
|
| dc.subject |
Interdisciplinary Sciences |
|
| dc.title |
A novel bioreactor system for simultaneous mutli-metal leaching from industrial pyrite ash: Effect of agitation and sulphur dosage |
|
| dc.type |
Journal Article |
|
| dc.affiliation.author |
Suleyman Demirel University, TR-32260 Isparta, Turkey |
|