Have you ever wondered where the waste from gold processing actually ends up?
Behind the high-value production of gold lies residual material known as tailings, which must be managed with great care. If not handled properly, this material can pose serious environmental risks, particularly through seepage of contaminated water into surrounding soil and groundwater.

This is where tailings storage facilities (TSFs) play a crucial role. These facilities are not merely storage areas, but engineered systems designed to ensure that mining waste remains contained. One of the biggest challenges in TSFs is preventing water from tailings ponds from seeping into the surrounding environment.

To address this challenge, an impermeable layer known as a geomembrane is used. This material acts as the primary barrier that restricts the movement of water and dissolved substances from escaping the system. Its use has been proven to significantly reduce seepage compared to conventional approaches that rely solely on natural soil (Tuomela et al., 2021).

In modern gold mining practices, geomembrane do not function alone. They are part of a multilayer protection system designed to control water flow and pressure within tailings ponds. The combination of low-permeability soil layers, geomembranes, and drainage systems helps ensure that water remains contained within the system.

However, the effectiveness of geomembranes depends not only on the material itself. Proper design, precise installation, and careful construction supervision are critical factors that determine the success of the system. Even minor installation failures can have significant impacts on the overall performance of the facility.

This highlights that tailings management is not only about technology, but also about how that technology is properly implemented in the field.

Ultimately, the success of a tailings facility is not only measured by its ability to store waste, but also by how well it protects the surrounding environment. This is where collaboration with parties who understand geotechnical characteristics, liner systems, and operational challenges in the mining industry becomes essential.

As part of the mining construction industry, APTEKINDO is committed to delivering solutions that focus not only on infrastructure development, but also on safety and environmental sustainability. Because in every mining project, environmental protection is not just an option, it is a necessity.

References

Tuomela, A., Ronkanen, A. K., Rossi, P. M., Rauhala, A., Haapasalo, H., & Kujala, K. (2021). Using geomembrane liners to reduce seepage through the base of tailings ponds—A review and a framework for design guidelines. Geosciences, 11(2), 93.

Aapaoja, A., Haapasalo, H., & Söderström, P. (2013). Early stakeholder involvement in the project definition phase: Case renovation. International Scholarly Research Notices.