Optimization of an On-site Residential Wastewater Treatment System Utilizing Fixed-Film Processing

分散或现场废水处理可促进在人口密度低和/或无法使用集中下水道系统的农村地区进行废水收集、储存、处理和处置的替代方法。目前，化粪池和淋滤场等常规现场系统的使用受到土壤和现场条件的影响。先进的现场废水技术被开发出来，以克服传统处理面临的场地和土壤限制。除了有关处理和流出物的法规外，系统的流出物排放点的位置不同，要求也有所不同。采用集成固定膜工艺的现场高级污水处理系统在这些情况下是一个可靠的解决方案，因为它们能够有效和高效地处理流量和水质不同的生活污水。浸没式固定膜工艺利用自然产生的细菌来氧化有机物，去除营养物质和减少固体，将废水转化为清澈无味的出水。这项研究项目将集中于住宅应用的创新滑铁卢堆叠系统的运行、评估和优化。为了达到这些目标，滑铁卢烟囱系统将首先在其当前状态下进行评估，然后对其进行修改和优化，以提高在常规操作条件、压力周期和增加流量下的处理性能。这一应用研究的结果将提高对当前系统的认识，增强产品，并增加技术可信度。

Decentralized or onsite wastewater treatment can facilitate alternative approaches to wastewater collection, storage, treatment, and disposal in rural areas with low population densities and/or without access to centralized sewer systems. The use of conventional onsite systems, such as septic tanks and leaching fields, at the present time are influenced by soil and site conditions. Advanced onsite wastewater technologies are developed to overcome the site and soil limitations conventional treatments face. In addition to regulations around treatment and effluent requirements vary depending on where a system's effluent discharge point is. Onsite advanced wastewater treatment systems with integrated fixed film processes are a reliable solution in these circumstances due to their ability to effectively and efficiently treat residential wastewater with variable flows and qualities. Submerged fixed film processes utilize naturally occurring bacteria to oxidize organic matter, remove nutrients and reduce solids, converting wastewater into a clear and odourless effluent. This research project will focus on the operation, assessment and optimization of an innovative Waterloo Stack system for residential applications. In order to meet these objectives the Waterloo Stack system will first be evaluated in its current state before it is modified and optimized for increased treatment performance under regular operating conditions, stress periods and increased flows. The results of this applied research will improve knowledge of the current system, enhance the product, and increase technical credibility.