With the technique of amalgamating ore tailing pelletized to heap leaching,there arrives a low leaching efficiency of no more than 54.

• 混汞尾矿直接用于制粒堆浸；金浸出率很低；只有54.；7%25；经化学预处理后；其载体矿物晶体构造被破坏；细散金从矿物中暴露出来；金的浸出率有了很大的提高；可达83