非氰化工艺中，金常在酸性介质中用硫脲浸出。因而，这种从硫脲酸液中浸金的非常有前途的技术很有意义。在实验室试验范围内，已经研究了一种分离技术，包括粉状活性炭对金的吸附。同时进行了这种粉状活性炭同粒状活性炭的比较。泡沫浮选被用在随后的固液分离中。用脂肪酸钠作表面活性剂，取得的令人乐观的结果还被进一步通过电动力学研究测试。此项工作的目的是要把该技术用于金浸取液，如：堆浸液。 In non-cyanidation processes, gold is often leached with thiourea in an acidic medium. Thus, this very promising technology for gold leaching from thiourea is of great interest. Within the scope of laboratory experiments, a separation technique has been studied that includes the adsorption of gold on powdered activated carbon. At the same time this powdered activated carbon with granular activated carbon comparison. Froth flotation was used in the subsequent solid-liquid separation. The optimistic results achieved with sodium fatty acid as a surfactant have also been further tested by electrodynamic studies. The purpose of this work is to apply this technique to gold leaching solutions such as heap leach solutions.