The energy-saving and consumption-reducing theory of gas diffusion anode(GDA) for zinc hydrometallurgy is introduced.When the lead-silver anode is replaced by GDA,energy will be reduced about 50%.

• 介绍了气体扩散阳极(氢扩散阳极)在湿法炼锌上的节能降耗原理,用气体扩散阳极代替普通阳极将降低50%25左右的能耗;