Speeding up the reduction of ZnO with control of the reduction of FeO is the key subject for increasing the ZnO recycling rate. 如何加快氧化锌的还原分离而抑制氧化铁的还原及聚集长大将成为提高氧化锌回收率的关键。
Collectively-owned mining enterprises and privately-owned mining undertakings shall raise their technical level and increase the recovery rate of the mineral resources. 集体矿山企业和个体采矿应当提高技术水平，提高矿产资源回收率。
