Engineering Research Equipment Grant: Physical and Optical Characterization of (Bio) Particles: Coagulation, Growth and Adhesion

这是一个为购买工程研究设备提供支持的奖项。将购买的设备包括光学颗粒计数器、图像分析系统和一个装有测量溶解氧浓度的探头的发酵罐。调查人员计划在三个不同的项目中使用这种设备。一种涉及氧化剂与矿物和生物颗粒的相互作用，在化学混凝过程中促进颗粒的不稳定和生长。第二部分介绍了描述生物聚集体及其影响因素的分形学、分形学和维度学的概念。第三部分阐述了生物胶体及其在地下多孔介质中流动的地下水中影响其迁移的条件和因素。导致这一奖项的提案是根据NSF 87-68计划公告--工程研究设备拨款提交的。除了用于进行提案中概述的研究的设备外，这些设备还将增加亚利桑那大学环境工程项目的教育能力。

This is an award to provide support for purchase of engineering research equipment. The equipment to be purchased consists of an optical particle counter, image analysis system and a fermenter coupled with a probe for measurement of dissolved-oxygen concentrations. The investigators plan to use this equipment in three separate projects. One involves oxidant interactions with mineral and bio-particles in promoting particle destabilization and growth during chemical coagulation. The second deals with concepts of fractals, fractal geometry and dimensions in characterizing biological aggregates and factors affecting their aggregation. The third addresses bio- colloids and conditions and factors that affect their transport in groundwater flowing through subsurface, porous media. The proposal leading to this award was submitted in response to Program Announcement NSF 87-68, Engineering Research Equipment Grants. In addition to utility of the equipment for conduct of the research outlined in the proposal, the equipment will also add to the educational capabilities of the Environmental Engineering Program at the University of Arizona.