U.S.-Egypt Cooperative Research: Fatty Acid Flotation of Calcareous Phosphate Rock by Enzyme Oxidation

9811004米勒描述：该奖项是为了支持犹他州盐湖城犹他大学冶金工程系的Jan Miller教授和埃及开罗中央冶金研究与发展研究所矿物技术部的Ahmed Yehia博士的合作项目。两位科学家将研究浮选机理和技术，以改进磷矿浮选策略。实验将包括实验规模的浮选、酶催化、磷矿浮选、柱浮选、充气水力旋流器浮选系统和固定化酶的利用。基础研究将包括酶在矿物表面的吸附测量，脂肪酸和酶溶液条件下矿石的表面表征，氧化表面疏水性的评价。范围：该奖项将允许在材料加工研究方面具有丰富经验的知名美国冶金学家与埃及主要政府冶金研究中心的一个活跃小组之间的合作。这项研究对包括美国、埃及和中东其他几个国家在内的磷酸盐生产国具有重大意义。尤其重要的是，对于像埃及这样使用品位相对较低的矿石的生产商，以及那些需要从同一品位的矿石中获得最大产量的生产商来说，这一提议符合国际能源署的目标，即在有利于双方的领域增加美国与外国的合作。该项目得到了美国-埃及联合基金项目的支持，该项目向两国的科学家和工程师提供赠款，以开展这些合作活动。

9811004MillerDescription: This award is for support of a cooperative project by Professor Jan Miller of the Department of Metallurgical Engineering at the University of Utah in Salt Lake City, Utah and Dr. Ahmed Yehia of the Mineral Technology Department at the Central Metallurgical Research and Development Institute in Cairo, Egypt. The two scientists will study flotation mechanisms and technologies with the goal of improving phosphate rock flotation strategy. Experiments will include bench scale flotation, enzyme catalysis, flotation of phosphate fines, column flotation, air-sparged hydrocyclone flotation systems, and immobilized enzyme utilization. Fundamental studies will include adsorption measurements of enzyme at the surface of mineral, surface characterization of ore conditioned in fatty acids and enzyme solution, evaluation of the hydrophobic character of autoxidized surface.Scope: This award will allow collaboration between a well known US metallurgist with extensive experience in the study of material processing and an active group at Egypt's main governmental center of metallurgical research. The benefit of this research would be significant to phosphate producing countries including the United States, Egypt and several other countries in the Middle East. Especially important is the benefit to producers using relatively low-grade ore as in Egypt, and those who need to obtain the maximum product from the same grade of ore. This proposal meets the INT objective of increasing US-foreign collaboration in areas that benefit both sides. This project is being supported under the US-Egypt Joint Fund Program, which provides grants to scientists and engineers in both countries to carry out these cooperative activities.