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概况锡是人类生活和生产中不可缺少的重要金属。国外锡资源主要分布在马来西亚、印度尼西亚、泰国、玻利维亚、巴西、尼日利亚、扎伊尔等国。我国锡资源丰富、储量居世界前列。工业发达国家锡资源贫乏,但锡的消耗居世界首位。当前世界探明的锡资源有限,且采出矿品位逐年下降,矿石性质日益复杂,对选冶技术要求越来越高,成本不断增加,价格上
Overview Tin is an indispensable and important metal in human life and production. Foreign tin resources are mainly distributed in Malaysia, Indonesia, Thailand, Bolivia, Brazil, Nigeria, Zaire and other countries. China is rich in tin resources and has the highest reserves in the world. Tin resources in industrialized countries is poor, but the consumption of tin ranks first in the world. The current world of proven tin resources are limited, and mining grade declines year by year, the increasingly complex nature of the ore, the higher and higher technical requirements of the election and smelting, increasing costs, the price