Where cyanide solution is stored in a pond before it is pumped over the ore, a liner forms the bottom of the pool.
All liners leak.
That is the most important thing to understand about the liners used in heap-leach mining technology. The only difference among them is that some have leaked and others will leak. This article is an introduction to heap-leach liners. Our goal is to give you enough information so that you can break through the jargon, ask the experts tough questions about new and expanding heap-leach mine proposals, and demand systems that protect the earth and water. Heap-leach mining technology is booming in popularity.