Sustainable resource recovery technologies for municipal wastewater treatment plants

这项提议是将UBC开发的尖端技术整合到一个高效的污水污泥处理系统中，用于污泥固体的破坏、养分释放和回收，以及位于不列颠哥伦比亚省阿伯斯福德的联合阿伯斯福德使命环境系统(JAME)污水处理厂的生物能源生产。集成系统将包括UBC专利微波处理工艺、高速鸟粪石结晶器和创新的厌氧消化系统。微波系统不仅降低了污泥的固形物含量，而且有利于营养物质向溶液中的释放。因此，磷和氮可以以鸟粪石的形式回收，鸟粪石是一种通过后续结晶过程的缓释肥料。创新的厌氧消化系统也可以实现更高效的生物能源生产。本项目所需完成的任务包括：1)。2)对UBC设计的中试规模的连续流微波处理系统进行测试；对新开发的高效鸟粪石结晶器的回收效率进行了测试和评价；考察两相厌氧消化系统的性能；4)在詹姆斯污水处理厂运行集成系统；以及5)。制定该集成系统的设计准则和运行规程。该项目的最终成果将是一个完全开发的“概念验证”综合污水污泥处理系统。该项目开发的废物管理、污泥减量和资源化系统将对污泥管理产生重大影响，并为污水处理行业提供可观的经济和环境效益。

This proposal is to integrate UBC developed leading edge technologies into a high efficient sewage sludge treatment system for sludge solids destruction, nutrient release and recovery, as well as bioenergy production at the Joint Abbotsford Mission Environmental System (JAMES) wastewater treatment plant, Abbotsford, BC. The integrated system will consists of a UBC patented microwave treatment process, a high-rate struvite crystallizer and an innovative anaerobic digestion system. The microwave system would not only reduce sludge solids content, but also facilitate the release of nutrients into solution. Phosphorus and nitrogen can thus be recovered in the form of struvite, which is a slow release fertilizer via a subsequent crystallization process. More efficient bioenergy production can also be achieved by an innovative anaerobic digestion system. The tasks required in this project include: 1). testing of the UBC-designed pilot-scale continuous flow microwave treatment system; 2). testing and evaluating the recovery efficiency of the newly developed high-rate struvite crystallizer; 3). examining the performance of a two-phase anaerobic digestion system; 4). operating the integrated system at JAMES wastewater treatment plant; and 5). establishing the design criteria and operating protocols of this integrated system. The final outcome of the project will be a fully developed 'proof-of-concept' integrated sewage sludge treatment system. The improved waste management, sludge reduction and resource recovery system developed in this project will have a significant impact on sludge management, and offer substantial economical and environmental benefits for the wastewater treatment industry.