Wollastonite flotation

硅灰石浮选

• 批准号: 513488-2017
• 负责人: Waters, Kristian
• 金额: $ 1.82万
• 依托单位: McGill University
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=639400
• 关键词: Wollastonite; flotation

Wollastonite is a calcium silicate (CaSiO3) industrial mineral, which is commonly used as a filler in paints andplastics. It is also used in the construction industry as a substitute for asbestos; ceramic applications includingceramic glazes and bodies; in metallurgical applications wollastonite is commonly added to formulatedpowders for steel casting and welding. The properties that are most commonly utilised include the low loss onignition, low thermal conductivity and the shape, which allows for smooth coatings and enhanced durability informulations. Canadian Wollastonite is also providing wollastonite to mitigate calcium losses and acidificationin temperate soils and forests; in wastewater treatment applications; and for carbon sequestration. As such, ithas great potential in environmental applications.To date, little work has been conducted on the beneficiation of wollastonite from its ores, or on thephysico-chemical properties of this mineral. As such, this project is centred on determining thephysico-chemical properties of wollastonite and other minerals within the Seeley's Bay deposit in Ontario, andusing this knowledge to improve the understanding of wollastonite beneficiation. This will have implicationsfor both the Seeley's Bay deposit, and other wollastonite deposits globally.Canada is one of the most important mining nations in the world, producing more than 60 minerals and metals.Mining and mineral processing has long been one of the country's key wealth generators. In 2014 the sectoremployed approximately 375,000 people and contributed $57 billion to Canada's Gross Domestic Product(GDP). The industry accounted for 18.2% of the value of Canadian goods exports in 2014. Industrial mineralsare an important sector of the mining industry, being used in a wide variety of products. A more effectivemethod of producing industrial minerals such as wollastonite in a sustainable manner will be of benefit to theCanadian mining industry, and the economy.

硅灰石是一种硅酸钙（CaSiO 3）工业矿物，通常用作油漆和塑料的填料。它也被用于建筑业作为石棉的替代品;陶瓷应用，包括陶瓷釉料和陶瓷体;在冶金应用中，硅灰石通常被添加到钢铸造和焊接的配方粉末中。最常使用的特性包括低烧失量、低导热性和形状，这允许光滑的涂层和增强的耐久性。加拿大硅灰石公司还提供硅灰石，以减少钙的流失和酸化，并用于温带土壤和森林的养护、废水处理和碳固存。因此，它在环境应用中具有巨大的潜力。迄今为止，很少有人对硅灰石从其矿石中的提纯或这种矿物的物理化学性质进行研究。因此，本项目的重点是确定安大略的塞利湾存款中硅灰石和其他矿物的物理化学性质，并利用这些知识来提高对硅灰石提纯的认识。这将对塞利湾存款和全球其他硅灰石矿床产生影响。加拿大是世界上最重要的矿业国家之一，生产60多种矿物和金属。采矿和矿物加工长期以来一直是该国主要的财富创造者之一。2014年，该部门雇用了大约375，000人，为加拿大的国内生产总值（GDP）贡献了570亿加元。该行业占2014年加拿大商品出口价值的18.2%。工业矿物是采矿业的一个重要部门，被用于各种各样的产品。以可持续的方式生产硅灰石等工业矿物的更有效方法将有利于加拿大采矿业和经济。