US-Indo Cooperative Research: Design of Mineral Processing Reagents- Iron Oxide-Titania Separation, Award in Indian Currency

9624562 Chaudhuri描述：该奖项支持美国科学家Brij Moudgil博士、佛罗里达大学材料科学与工程系博士后Michael L.Free和印度浦那塔塔研究开发与放大设计中心的N.C.Chaudhuri博士之间的一个美国-印度合作项目。本研究的目的是了解氧化铁-二氧化钛体系中选择性吸附异羟甲酸酯和脂肪酸试剂的基本机理。物理和表面化学表征包括X射线、扫描电子显微镜、孔径分布和电动测量。将进行吸附、FT-IR和微浮选试验，以确定实现所需分离的条件。观察到的选择性将根据条件稳定常数、晶体结构特异性和分子轨道考虑因素来解释。期望本研究所建立的基础知识库对低品位复杂矿石选矿药剂方案的科学设计有一定的参考价值。范围：该项目允许两位能力互补的知名科学家之间的合作，他们在为拟议研究提供互补设施的机构工作。穆吉尔博士是佛罗里达大学新成立的粒子科学与技术工程研究中心的主任。他发表了大量的著作，包括与普拉迪普的几份联合出版物。与乔杜里博士的合作是新的，可能会让两家机构都受益。该项目符合国际项目部的一些重要目标，特别是在合作中纳入了一名博士后研究员和一名新的印度参与者。

9624562 Chaudhuri Description: This award supports a US-Indo cooperative project between US scientists, Drs. Brij Moudgil, postdoctoral fellow Michael L. Free, Department of Materials Science and Engineering, University of Florida, and Drs. N.C. Chaudhuri, Pradip of the Tata Research Development & Design Centre (TRDDC), Pune, India. The objective of this research is to understand the basic mechanism involved in selective adsorption of hydroxamate and fatty acid reagents in the iron oxide-titania systems. Physical and surface chemical characterization would involve x-rays, SEM, pore size distribution and electrokinetic measurements. Adsorption, FT-IR and microflotation tests would be conducted to identify the conditions for achieving the desired separation. Selectivity observed would be explained on the basis of conditional stability constants, crystal structure specificity and molecular orbital considerations. It is expected that the fundamental knowledge base generated in this study would be useful in scientific design of reagent schemes for processing of low grade complex ores. Scope: This project allows cooperation between two well known scientists whose capabilities complement each other and who work in institutions with complementary facilities for the proposed research. Dr. Moudgil is the director of the newly established Engineering Research Center for Particle Science and Technology, University of Florida. He has published extensively, including several co-publications with Pradip. The collaboration with Dr. Chaudhuri is new and likely to benefit both institutions. This project meets a number of important objectives of the Division of International Programs, especially the inclusion of a postdoctoral fellow and a new Indian participant in the collaboration.