Delivering sustainable water infrastructure to regional NSW communities

IF 2.4 Q2 WATER RESOURCES Australasian Journal of Water Resources Pub Date : 2022-04-25 DOI:10.1080/13241583.2022.2031570
B. Boyden, Hendrik Van Rhijn, Barry Sharah
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引用次数: 1

Abstract

ABSTRACT Water utilities with a population base of greater than 50,000 people can have several economically viable options for ensuring their services provide climate resilience and carbon neutrality through optimisation of their two largest operational expenses (OPEX): power for STP aeration and power for water supply pumping. Energy optimisation can be approached from a number of perspectives, including design, equipment selection, instrumentation and control, energy recovery from the sewage, pumping off-peak, reuse of sewage and water treatment residuals, etc. Smaller water utilities with less than 50,000 people have less latitude for applying these approaches due the lack of economic viability for smaller facilities, lack of staff or other. Smaller water utilities must still strive towards reducing their carbon footprints but maintain affordability to rate payers. Public Works Advisory (PWA) provides technical, advisory and design services to Government Agency clients, including Local Government Areas or LGAs. The PWA partnership with LGAs assists at the local level to deliver on the commitments of NSW and Australia to reducing greenhouse gas (GHG) emissions by 2030. Directly reducing the take and use of grid power supplied by coal fired power stations can have favourable outcomes, both for reducing GHGs and OPEX. The use of solar photovoltaic (PV) systems in Australia is particularly attractive due to the continent having the highest direct normal irradiation or DNI. Current literature gives few examples of real operating data from PV systems in duty on water infrastructure, particularly for smaller installations. PWA target the highest OPEX areas for management of water and sewage and demonstrate with actual operating data from three full-scale case studies. PV panels can be economically employed by smaller water utilities for acceptable Internal Rate of Returns (IRRs), with or without batteries, to help reduce their overall carbon footprints.
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为新南威尔士州地区社区提供可持续的水基础设施
摘要:人口基数超过50000人的供水公司可以通过优化其两大运营费用(OPEX)(STP曝气用电和供水泵送用电),提供多种经济可行的选择,以确保其服务提供气候适应性和碳中和。能源优化可以从多个角度进行,包括设计、设备选择、仪器和控制、污水能量回收、错峰抽水、污水和水处理残留物的再利用等。由于小型设施缺乏经济可行性,人口少于50000的小型供水公司应用这些方法的自由度较小,缺少工作人员或其他。小型水务公司仍必须努力减少碳足迹,但要保持纳税人的负担能力。公共工程咨询公司(PWA)为政府机构客户提供技术、咨询和设计服务,包括地方政府区域或LGA。PWA与LGA的合作伙伴关系有助于在地方一级履行新南威尔士州和澳大利亚到2030年减少温室气体排放的承诺。直接减少燃煤发电站提供的电网电力的占用和使用可以产生有利的结果,既有利于减少温室气体排放,也有利于运营成本。由于澳大利亚大陆具有最高的直接正常辐射或DNI,因此在澳大利亚使用太阳能光伏(PV)系统特别有吸引力。目前的文献很少给出水基础设施上运行的光伏系统的实际运行数据的例子,特别是对于较小的装置。PWA针对水和污水管理的运营成本最高的领域,并用三个全面案例研究的实际运营数据进行证明。小型供水公司可以经济地使用光伏电池板,以获得可接受的内部收益率(IRRs),无论是否使用电池,以帮助减少其总碳足迹。
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来源期刊
CiteScore
5.10
自引率
21.90%
发文量
25
期刊介绍: The Australasian Journal of Water Resources ( AJWR) is a multi-disciplinary regional journal dedicated to scholarship, professional practice and discussion on water resources planning, management and policy. Its primary geographic focus is on Australia, New Zealand and the Pacific Islands. Papers from outside this region will also be welcomed if they contribute to an understanding of water resources issues in the region. Such contributions could be due to innovations applicable to the Australasian water community, or where clear linkages between studies in other parts of the world are linked to important issues or water planning, management, development and policy challenges in Australasia. These could include papers on global issues where Australasian impacts are clearly identified.
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