Method for recovering valuable metals in waste memory bank by combining pyrogenic process and wet process

The invention discloses a method for recovering valuable metals in a waste memory bank by combining a pyrogenic process and a wet process, which comprises the following steps of: firstly, disassembling the waste memory bank into two parts, namely memory particles and a memory bank substrate, and recovering gold from the memory particles by adopting processes such as crushing, leaching and impurity removal, oxidation leaching, gold reduction treatment and the like in sequence; the method comprises the following steps: recovering gold from a surface gold-plated layer of a memory bank substrate by adopting a gold dissolving-reduction process, recovering copper from the memory bank substrate by adopting a crushing-pyrolysis-electrolytic refining method, and enriching palladium, silver and the like. Compared with a whole wet process or a single smelting method, the direct recovery rate of gold and copper is remarkably increased, the cost is low, and industrial production is facilitated. 本发明公开了一种火法和湿法联合回收废旧内存条中有价金属