Granular side-stream anammox process feeding mainstream granular aerobic and anammox process

近十年来，好氧颗粒污泥法（AGS）和部分硝化厌氧氨氧化法（PNA）是城市污水中去除营养物的两种技术。AGS工艺采用的生物质结构比目前加拿大工厂使用的传统生物质密度大得多，并且可以实现传统系统30%的工厂足迹，同时显着降低曝气能源需求。PNA工艺可以去除氨氮（一种有毒化合物），而无需使用昂贵的外部碳源，与传统处理相比，曝气需求减少60%，成本降低30%。为了使这些技术在加拿大全面应用，必须进行试点示范。该项目将研究连续AGS工艺去除总营养物的操作要求，以及PNA工艺去除高强度污泥脱水液（SDL）和低强度主流污水中的总氮的操作要求。试点研究将在温尼伯的北端水污染控制中心（NEWPCC）进行，以获得全面设计的参数，使咨询公司能够在未来的投标中更轻松地提出流程。这两种方法从未在加拿大使用过，这项研究将测试适合加拿大气候的条件的发展。NEWPCC非常适合，因为它拥有加拿大第一个专用的SDL处理设施，并将立即受益于这项研究的结果。开发的知识库将使温尼伯市和马尼托巴大学受益。其他大学将受益于大规模的研究和发展机会，使本地污水处理设施符合新工艺的要求，从而发展新知识，并提供HQP培训机会。加拿大各地的市政当局将获得有关如何升级到更高效率和更低成本流程的指导。

The two technologies for nutrient removal from municipal wastewater that have been gaining research and development attention over the last decade are aerobic granular sludge (AGS) and partial nitritation-anammox (PNA). The AGS process employs biomass that is much denser in structure than conventional biomass used so far in Canadian plants and allows achievement of a plant footprint that is 30% of that for conventional systems, with significantly lower aeration energy demand. The PNA process allows for removal of ammonia nitrogen (a toxic compound) without the use of expensive external carbon source and allows for 60% less aeration requirements than conventional treatment, reducing costs by30%. In order to bring these technologies to full-scale in Canada, pilot demonstrations must be performed. This project will examine the operational requirements of a continuous AGS process for total nutrient removal, as well as PNA process to address total nitrogen removal from high-strength sludge dewatering liquors (SDL), as well as from low-strength mainstream sewage. Pilot studies will be conducted at Winnipeg's North End Water Pollution Control Center (NEWPCC) to obtain parameters for full-scale design, allowing for consulting firms to become more comfortable with proposing the processes in future bids. The two processes have never been used in Canada and the research will test the development of conditions that fit Canadian climate. The NEWPCC is well suited as it has Canada's first dedicated SDL treatment facility and will immediately benefit from the results of this research. The developed knowledge base will benefit both the City of Winnipeg and University of Manitoba. Other universities will benefit from the opening of large research and development opportunities to tailor local wastewater treatment facilities to the requirements of the new process and thus develop new knowledge and provide HQP training opportunities. Municipalities across Canada will gain access to directions on how to upgrade to higher efficiency and lower costs process.