The surface chemical role of soluble "Na-silicate" for enhancing flotation selectivity of sulphides towards grade and recovery improvements in a variety of poly-sulphide ores.

采矿和矿物加工是支撑加拿大经济的主要资源收入来源之一。2014年，矿物加工业占国内生产总值的570亿美元，雇用了35万人，占出口商品价值的18%（加拿大矿业协会）。National Silicates是PQ Corporation在加拿大的全资子公司。连同其附属公司，它是世界上最大的钠和钾“硅酸盐”生产商，并一直为客户服务

Mining and mineral processing are one of the key resource revenue streams underpinning the Canadian economy. In 2014 mineral processing industries accounted for $57 billion of the total GDP, employed +350,000 people and accounted for 18% of the exported goods value (The Mining Association of Canada). National Silicates is a wholly owned Canadian subsidiary of the PQ Corporation. In conjunction with its affiliates, it is the world's largest producer of sodium and potassium "silicates" and has been serving customers