For sustainable metal resources development, the installation of environmentally-friendly biotechnology into mining industry plays an important role. In order to search for the factors affected on biotechnology installation, this study compared and investigated several factors in heap bioleaching sites in Chile and Finland. Both cases were financially supported by foreign capitals through the mining projects regardless of the political economic scale. The business strategies of mining operators strongly affect the selection of latest technologies installation in Chile. Additionally, environmental perspective possibly affected as well as profitable technology in the Finland case. Therefore, heap bioleaching are developed and selected in mining industry.
Keywords: bioleaching, mining, economic scale, environmentally-friendly development.