How to implement renewable energies, in operation and mine closure in order to be a carbon neutral activity?


Due date November 30, 2021, days remaining 42

Status Open, Technology Readiness Level 4 Lab testing, looking for Prototyping

Tags mining environment & sustainability renewable energies diesel particulate matter water resources geothermal energy


Posted by Hub de InnovaciĆ³n Minera del Peru on June 13, 2021 in , Peru.


Description


CHALLENGE 3

The main challenge in expanding the mining activity lies in the level of sustainability that can be achieved. This is essentially based on the efficient use of natural resources, as well as their environmental footprint. 

As a result of the absence of environmental awareness and regulations, the Peru from the past has left us with more than 8,000 mining environmental liabilities (mostly without identifiable responsible parties), of which only about 1,000 are in the process of remediation.

How to implement renewable energies, in operation and mine closure in order to be a carbon neutral activity?

A mine requires a lot of energy for its operations and a lot of oil is used, producing a large amount of CO2, which is a greenhouse gas. This challenge applies to all mine operation areas: mining and treatment, camps and services, ore transport and waste, and mine closure. The use of renewable energy seeks to contribute to the decarbonization of the activity so as to reduce the DPM (Diesel Particulate Matter) and subsequent exposure of workers to it, as well as mitigate greenhouse gases (GHG). Some renewable energy systems include wind power, solar thermal, and biodiesel; However, alternatives for reducing the carbon footprint with economic/technical feasibility are still required. Determining the geothermal potential of mining units could be an interesting energy source.


Purpose


Mechanisms and/or technologies are needed to reduce significantly the carbon footprint, especially while in operation.

Valued elements and/or expected results

Cost-efficiency when using clean energy, considering access to the mine area, as well as environmental conditions.

Long-term approach including alternatives for using rehabilitated areas and considering a reduction in energy costs in post-closure activities.

The solution must consider continuous improvement processes for proper energy management and reduction of carbon footprint, such as those included in ISO 50001.

Carbon footprint quantification is necessary to measure improvement and, therefore, such improvement has a positive impact on mining reputation.


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