T. DAS, P.K. SEN
Bio leaching is becoming increasingly used for the extraction of gold from refractory gold ore. It is established that in gold bio leaching two kinds of mechanisms are involved namely indirect bio leaching and direct bio leaching. This paper develops an approach for simulation of a gold bio reactor leach circuit by creating a mathematical model for bio leaching suitable for process design. The model includes parameter estimation from experimental data followed by scaling up the process for pilot size and industrial size bio reactor operations in continuous mode. Various combinations of series-parallel modes of bio reactor operation are examined. Laboratory scale bio reactor data, collected under different pulp densities and residence times, were utilized for parameter estimation. Additionally, experimental data from pilot size bio reactors derived from literature were employed to validate the parameters estimated. The analysis of simulation results highlights the conversion extent due to both indirect and direct mechanisms. The performance of the developed simulation model, corroborated by both experimental data and literature, confirms its effectiveness in modeling gold bio leaching processes.
@article{a963b29a-6df5-4eb6-af1b-d419f55885cb,
title={Bio reactor simulation and modeling for},
author={T. DAS and P.K. SEN},
year={2026},
language={en}
}TY - JOUR TI - Bio reactor simulation and modeling for AU - T. DAS AU - P.K. SEN PY - 2026 LA - en ER -
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