Feasibility study was done on recovering waste acid(Hydrochloric and sulfuric acid) by vacuum membrane distillation and diffusion dialysis in rare earth metallurgy.

• 对用减压膜蒸馏法及扩散渗析法回收稀土冶金过程中的废酸(盐酸及硫酸)的可行性进行了研究。