Research Equipment Grants: Analytical Equipment for Phase Equilibrium Research

将购置用于三个具体项目的相平衡研究的分析设备。第一个项目涉及为减少工业水污染、水修复以及估计化学品的命运、运输和生物积累做出智能选择所需的热力学性质。第二个项目涉及通过重新配制汽油，即生产“清洁”汽油来减少汽车空气污染排放。这类汽油中的关键混合成分可能是含氧烃，如甲基叔丁基醚(MTBE)，因为已发现这些化合物增加了汽油的辛烷值，同时减少了氮氧化物和一氧化碳氧化物的污染排放。目前正在进行的研究需要一些设备，研究的是含氧物+碳氢化合物体系的相行为。第三个项目旨在开发一种使用双水相双聚合物系统净化生物材料的预测设计模型。本研究的实验部分涉及液-液相裂解和生物分子分配对聚合物分子量和分子量分散度、温度、pH、所用离子强度缓冲盐等变量的依赖关系。

Analytical equipment for phase equilibrium research on three specific projects will be acquired. The first project has to do with the thermodynamic properties needed to make intelligent choices for industrial water pollution reduction, water remediation, and for estimating the fate, transport and bioaccumulation of chemicals. The second project concerns the reduction of automobile air pollution emissions by the reformulation of gasolines, i.e., the production of "clean" gasoline. The key blending components in such gasolines may be oxygenated hydrocarbons, such as methyl tertiary butyl ether (MTBE) as these compounds have been found to increase octane numbers of gasolines while reducing polluting emissions of the oxides of nitrogen and carbon monoxide. Research currently underway, for which some equipment is needed, is on the phase behavior of the oxygenate + hydrocarbon systems. The third project is aimed at developing a predictive design model for the purification of biomaterials using aqueous two- phase two-polymer systems. The experimental portion of this research deals with dependence of the liquid-liquid phase splitting and the biomolecule partitioning on variables such as polymer molecular weight and molecular weight dispersion, temperature, pH, ionic strength buffer salts used, etc.