Travel Grant Proposal to Support Participation of US Researchers at the International Water Association Workshop, Global Challenges:Sustainable Wastewater Treatment and Resource

1441476支持美国研究人员参加国际水协会研讨会的旅行赠款提案，全球挑战：可持续废水处理和资源今天，作为一个社会，我们生活在一个资源有限的世界，同时面临着与缺乏优质水、能源和食物(水-食品-能源关系)相关的全球性、相互关联的挑战。为了以可持续的方式应对未来的许多这些全球挑战，必须承认废水是水、能源、营养物质和其他材料的可再生资源。目前的废水处理做法侧重于使用能源和化学品去除化学成分，必须转变为侧重于可回收的新模式，特别是在人口增长正在耗尽资源的情况下。发达国家和发展中国家迅速发展的城市中心迫切需要污水处理，同时促进资源节约和再利用。随着水务行业面临新的挑战，以保护环境、公众健康和全球可持续发展的创新解决方案，最大限度地减少资源利用和最大限度地从废水中回收资源注定将成为重点。废水中含有宝贵的资源，如碳、氮和磷。虽然未经处理的废水威胁人类健康、生态系统、生物多样性、粮食安全和水资源的可持续性，但废水中存在的碳可以被回收以产生能量，而氮和磷的回收可以补充农业对养分的需求。对于能量中性养分的去除和回收，有许多创新的方法和技术。资源回收和能源中立的驱动因素包括减少能源需求和碳排放、适销对路的商品以及以更低的成本提高效率。值得注意的是，以资源回收为导向的思维的这些好处可以进一步促进目前缺乏这种机会的世界大多数人口(25亿人)获得废水处理和卫生设施。然而，在广泛实施资源回收(无论是在发达国家还是发展中国家)之前，需要确定一个适当的框架(技术、经济和实用)和适当的技术。预计这次研讨会将对这方面的努力有很大帮助。该研讨会将仅为美国人员提供支持，并使这些教职员工和学生了解全球各地与资源回收相关的主题的需求和发展，从而为他们潜在地从事和领导这一领域铺平道路。这项活动由美国国家科学基金会国际科学与工程部共同资助。

1441476ChandranTravel Grant Proposal to Support Participation of US Researchers at the International Water Association Workshop, Global Challenges: Sustainable Wastewater Treatment and ResourceToday, as a society, we live in a resource constrained world, while facing global, interlinked challenges associated with lack of quality water, energy and food (the water-food-energy nexus). To meet many of these global challenges of the future in a sustainable fashion, wastewater must be acknowledged as a renewable resource for water, energy, nutrients and other materials. The current practice of wastewater treatment, which focuses on using energy and chemicals to remove constituents, must change to the new paradigm focused towards what can be recovered, especially since population growth is depleting resources. The rapidly growing urban centers in developed and developing countries are in severe need of wastewater treatment while simultaneously promoting resource conservation and reuse. As the water sector looks to face the new challenges with innovative solutions that protect the environmental, public health, and global sustainability, minimizing use of resources and maximizing the recovery of resources from wastewater is destined to become the focal point.Wastewater contains valuable resources such as carbon, nitrogen and phosphorus. Whereas untreated wastewater threatens human health, ecosystems, biodiversity, food security and the sustainability of water resources, the carbon present in the wastewater can be recovered to generate energy while nitrogen and phosphorus recovery can supplement nutrient demand for agriculture. There are many innovative approaches and technologies for energy neutral nutrient removal and recovery. The drivers for resource recovery and energy neutrality include decreased energy demand and carbon emissions, marketable commodities, and improved efficiency at reduced cost. Notably, these very benefits of resource recovery oriented thinking can additionally promote access to wastewater treatment and sanitation for the majority of the world's population, which currently lacks such access (2.5 billion people). However, prior to the widespread implementation of resource recovery (whether in developed or developing settings), a proper framework (technical, economical and practical) and appropriate technologies need to be identified. This workshop is expected to significantly help towards this effort. This workshop will support only US personnel and expose these faculty and students to the needs and developments from across the globe on topics related to resource recovery, thereby laying the pathway for them to potentially pursue and lead this field. This activity is cofunded by the NSF International Science and Engineering Section.