Design Basis for Enhanced Biological Phosphorus and Nitrogen Removal Wastewater Treatment Systems

9716144兰德尔这是一个奖项，以支持研究，其目的是提供一个更合理的基础比现在存在的设计生物为基础的废水处理工艺，有能力减少其污水中的磷含量。 该研究涉及确定需要预发酵阶段以产生非挥发性脂肪酸的条件，并与处理过程的厌氧/反应阶段排除了预发酵阶段的需要的条件进行比较。 本研究的结果预计将用于确定条件下，预处理是一个必要的步骤，在加强去除磷的废水中使用的生物过程。 这方面的知识，预计将用于改善生物为基础的，除磷工艺和系统的工程设计。 基于生物的工艺在减少工艺残余物的量、改进残余物的脱水特性以及与基于生物的脱氮工艺整合的能力方面优于物理-化学工艺。 ***

9716144 Randall This is an award to support research the objective of which is to provide a more rational basis than now exists for design of biologically based wastewater treatment processes that have the capability for reducing the phosphorus content of their effluents. The research involves determination of conditions that necessitate the need for a prefermentation phase to produce nonvolatile fatty acids in comparison with conditions where the anaerobic/reaction phase of the treatment process precludes need for a prefermentation phase. Results of this research are expected to be used in determination of conditions under which prefermentation is a necessary step in enhanced removal of phosphorus from wastewater by use of biological processes. This knowledge is expected to be used in improving the engineering design of biologically-based, phosphorus removal processes and systems. Biologically-based processes have the advantage over physical-chemical processes in reducing the amounts of process residuals, improved dewatering characteristics of the residuals and capability of being integrated with biologically-based denitrification processes. ***