Status and Approach of Recycle of Zinc Resources in China

The recycle approaches of Zinc resources during the stages of production,processing and manufacturing,were comparatively described in this paper.The total amount of renewable zinc resource in China in 2004 was 1.7106 million ton.The output of regenerated zinc was 0.356million ton,occupying 20 percent of the total.The main reason for the low rate of regeneration of zinc is that usable regenerated zinc resource,such as scattered ore,tailing,zinc-plated products,etc,and the regenerated zinc resource of the zinc oxide products are not retrieved.According to the classification of regenerating condition during the stage of production,the amount of regenerated zinc resources,which got feasible technical and economic condition of regeneration and which got feasible technical condition and unfeasible economic condition of regeneration account for 89 percent and 11 percent of total regenerated zinc resources,respectively.During the stage of processing,using and retrieving,the amount of regenerated zinc resources,which got feasible technical and economic condition of regeneration,and which got feasible technical condition and unfeasible economic condition of regeneration,and which got unfeasible technical and economic condition of regeneration,respectively account for 44%,20% and 36% of total regenerated zinc resources.So,the main direction of improving the regenerated rate of zinc in China is to make proper industrial policy to encourage the comprehensive utilization of the usable regenerated zinc resource.The research and development of recycle technology of zinc resources from old zinc battery,zinc oxide or its substitute oxide are suggested.This paper has certain reference value to the theoretical research and practice of zinc resources recycleing.