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湖南湘西金矿尾矿-水相互作用非常强烈，导致了尾矿中硫化矿物、硅酸盐矿物的溶解和金属元素的活化迁移。实验和理论分析表明，尾矿-水相互作用过程中存在多相（表面）催化和自催化作用，尾矿中金属硫化物的溶解导致水溶液酸化和SO4等介质浓度增高，并进一步促进尾矿-水相互作用和尾矿中金属元素的释放和迁移；同时，尾矿-水相互作用中释放的金属元素与水溶液中的阴离子形成稳定的络合物，金属的水解可显著加快金属络合物的形成速率，从而又进一步促进了尾矿-水的相互作用。
The tailings-water interaction in Hunan Xiangxi Gold Mine is very intense, resulting in the dissolution of sulfide minerals and silicate minerals in tailings and the activation and migration of metal elements. Experiments and theoretical analyzes show that there is multi-phase (surface) catalysis and autocatalysis in the tailings-water interaction process. The dissolution of metal sulfides in the tailings leads to the acidification of aqueous solution and the increase of SO4 and other media concentrations, Water interaction and release and migration of metal elements in the tailings; meanwhile, the metal elements released from the tailings-water interaction form a stable complex with the anions in the aqueous solution, and the hydrolysis of the metal can significantly accelerate the metal complex Formation rate, thus further promoting the tailings - water interaction.