Business Models and Economic Approaches Supporting Water Reuse

Rao, Krishna C.; Hanjra, Munir A.; Drechsel, Pay; Danso, George K.

doi:10.1007/978-94-017-9545-6_11

Cited by 15 publications

(13 citation statements)

References 12 publications

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“…This signals the need for further investments in the infrastructure for collecting FS and SS. The insights revealed hereby could enable urban decision-makers to embark on a paradigm shift from waste treatment for disposal to waste treatment for resource recovery, and it could encourage investments in sustainable waste and resource management which could address the challenge of growing urban populations and the consequent energy, food and water demands (Andersson et al, 2016;Rao et al, 2015).…”

Section: Implications For Sanitation Waste and Resource Managementmentioning

confidence: 99%

The circular economy potential of urban organic waste streams in low- and middle-income countries

Ddiba

Andersson

Rosemarin

et al. 2021

Environ Dev Sustain

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There is growing recognition of the potential environmental and socio-economic benefits of applying a circular approach to urban organic waste management through resource recovery. Decisions around planning and implementing circular urban waste systems require estimates of the quantity of resources available in waste streams and their potential market value. However, studies assessing circular economy potential have so-far been conducted mostly in high-income countries, yet cities in low- and middle-income countries have different challenges when developing a circular economy. This paper addresses this gap by estimating the resource recovery potential of organic waste streams in the context of low- and middle-income countries, illustrated with the case of Kampala, Uganda. A simplified material flow analysis approach is used to track the transformation of waste streams, namely faecal sludge, sewage sludge and organic solid waste into the resource recovery products biogas, solid fuel, black soldier fly larvae and compost. Findings indicate that even at current rates of waste collection, the three waste streams combined could annually yield 135,000 tonnes of solid fuel or 39.6 million Nm3 of biogas or 15,000 tonnes of black soldier fly larvae or 108,000 tonnes of compost and revenues from the products could range from 5.1 million USD from compost to 47 million USD from biogas. The results demonstrate how complex information describing urban waste can be presented to facilitate decision making and planning by stakeholders. By highlighting different resource recovery opportunities, application of this approach could provide an incentive for more sustainable urban sanitation and waste management systems.

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Section: Implications For Sanitation Waste and Resource Managementmentioning

confidence: 99%

The circular economy potential of urban organic waste streams in low- and middle-income countries

Ddiba

Andersson

Rosemarin

et al. 2021

Environ Dev Sustain

View full text Add to dashboard Cite

show abstract

“…Private stakeholders neighbouring the groundwater recharge zone can benefit as well by gaining access to higher groundwater levels (and they can potentially sell the water through private tankers) (Rao et al, 2015).…”

Section: Business Models and Economic Approachesmentioning

confidence: 99%

“…duckweed) that can in turn feed the fish. The business model combines a low-cost treatment solution with potentially high revenue generation, thus allowing for a move beyond cost recovery (Rao et al, 2015).…”

Section: Business Models and Economic Approachesmentioning

confidence: 99%

“…The concept is to match future water 'buyers' with suppliers of treated wastewater by trading water entitlements, thus securing parts of the investment capital beforehand for wastewater treatment projects (Rao et al, 2015).…”

Section: Business Models and Economic Approachesmentioning

confidence: 99%

“…The availability of end users who can absorb the supply of product and are willing and able to pay for it (i.e. the market) represents the most critical condition for implementing any given water reuse and by-product recovery and use scheme (Rao et al, 2015).…”

Section: Financing Opportunitiesmentioning

confidence: 99%

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UN World Water Development Report 2017: "Wastewater: The untapped resource"

Meyer

2017

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The 2017 edition of the United Nations World Water Development Report demonstrates how improved wastewater management generates social, environmental and economic benefits essential for sustainable development. In particular, the Report seeks to inform decision-makers, government, civil society and private sector, about the importance of managing wastewater as an undervalued and sustainable source of water, energy, nutrients and other recoverable by-products, rather than something to be disposed of or a nuisance to be ignored. The report’s title reflects the critical role that wastewater is poised to play in the context of a circular economy, whereby economic development is balanced with the protection of natural resources and environmental sustainability, and where a cleaner and more sustainable economy has a positive effect on the water quality. Pollution Quality Waste

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Methodological Resilience Assessment of Smart Cyber Infrastructures

Dagnas,

Barbeau,

Boutin

et al. 2024

Lecture Notes in Computer Science

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The race for digitization created a real need to protect smart infrastructures. Environments are becoming highly connected and automated. Their growing complexity and connectivity make it hard to assure and assess their cyber resilience, i.e., protecting them from cyberattacks, failures, and errors. Traditional strategies for ensuring the cyber resilience of smart infrastructures suffer from a lack of holism. Indeed, since smart infrastructures are often structured in layers, traditional protection methods can lead to conflicting and competing goals. For instance, they may increase the resilience of specific layers at the expense of decreasing the performance of others. This chapter reviews existing methods aiming to address this problem. We focus on two leading methodological assessment families: quantitative and qualitative. The former includes numerical metrics to quantify and assist system-dependent decision-making processes. The latter builds upon symbolic modeling to offer a system-agnostic assessment. The chapter provides an in-depth exploration of quantitative and qualitative methodologies with significant potential to enhance the resilience of layered smart infrastructures. Our exploration covers classical technological aspects (e.g., cascading effects) and socio-technical factors (e.g., human-in-the-loop interaction).

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Business Models and Economic Approaches Supporting Water Reuse

Cited by 15 publications

References 12 publications

The circular economy potential of urban organic waste streams in low- and middle-income countries

The circular economy potential of urban organic waste streams in low- and middle-income countries

UN World Water Development Report 2017: "Wastewater: The untapped resource"

Methodological Resilience Assessment of Smart Cyber Infrastructures

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