Feasibility of using spectral techniques in potash mining and processing
Feasibility of using spectral techniques in potash mining and processing
批准号:
460935-2013
负责人:
Noble, Scott
金额:
$4.5万
依托单位国家:
加拿大
项目类别:
Collaborative Research and Development Grants
财政年份:
2014
资助国家:
加拿大
项目状态:
已结题
起止时间:
2014-01-01 至 2015-12-31
中文摘要
钾肥(KCl)生产是萨斯喀彻温省的一个大型经济产业。钾盐矿除含有氯化钾外,还含有大量的盐(NaCl)。这两种矿物在化学和物理上的相似性使它们很难在矿石中相互区分。这导致了保持磨矿原料一致的问题。在测定溶液中氯化钾和氯化钠的相对浓度时也会出现类似的问题。目前最先进的技术是使用自然发生的K40同位素的放射性衰变,或离线x射线技术。这些方法所需的设备昂贵,不利于在线监测和过程控制。
英文摘要
Potash (KCl) production is a large and economically significant industry in Saskatchewan. Along with KCl, potash ore contains large quantities of Halite (NaCl). The chemical and physical similarity between these two minerals make them difficult to distinguish from each other in the ore. This leads to problems maintaining a consistent feedstock to the mill. A similar problem arises in determining the relative concentrations of KCl and NaCl in solution. The current state of the art is to use the radioactive decay of the naturally occurring K40 isotope, or off-line X-ray techniques. The equipment required for these approaches is expensive and not conducive for on-line monitoring and process control.
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