scholarly journals Energy Self-Sufficiency Aiming for Sustainable Wastewater Systems: Are All Options Being Explored?

2021 ◽  
Vol 13 (10) ◽  
pp. 5537
Author(s):  
Rosa M. Llácer-Iglesias ◽  
P. Amparo López-Jiménez ◽  
Modesto Pérez-Sánchez
Keyword(s):  
Wastewater Treatment Plants ◽  
Economic Feasibility ◽  
Policy Makers ◽  
New Approach ◽  
Sustainable Systems ◽  
Energy Technologies ◽  
Efficiency Measures ◽  
Self Sufficiency ◽  
Wastewater Systems ◽  
New Perspective

In upcoming years, water demand is expected to boost worldwide, and with that, wastewater generation and the required energy for treatment. Provided that efficiency measures should be implemented at first instance, developments of renewable energy technologies are needed to improve sustainability at wastewater treatment plants (WWTPs). Based on theoretical analyses of literature data, this article presents a novel perspective of the role that hydropower could play in that energy framework. This research applied a new approach compared to previous studies, considering the introduction of sustainability aspects in the decision-making process, other than economic feasibility. With that aim, a broad search of real case studies was conducted, and suitable Key Performance Indicators based on the energy self-sufficiency concept were selected and applied to the identified cases. The findings suggest that there is not a rule of thumb to determine feasibility for hydropower installation and this technology might deserve more attention. This new perspective can help to raise awareness among policy makers, decision managers, or plant operators, of the possibilities hydropower could offer to the wastewater industry in the pathway towards more sustainable systems.

scholarly journals Hydropower Technology for Sustainable Energy Generation in Wastewater Systems: Learning from the Experience

Water ◽  
2021 ◽  
Vol 13 (22) ◽  
pp. 3259
Author(s):  
Rosa M. Llácer-Iglesias ◽  
P. Amparo López-Jiménez ◽  
Modesto Pérez-Sánchez
Keyword(s):  
Electricity Generation ◽  
Wastewater Treatment Plants ◽  
Economic Feasibility ◽  
Actual Performance ◽  
New Approach ◽  
Country Level ◽  
Systems Learning ◽  
Wastewater Systems ◽  
Sustainability Concept ◽  
Made In

Hydropower is a well-known technology, applied worldwide for electricity generation from renewable sources. Within the current framework, some studies have started to consider its application to existing urban water systems, to harness an excess of energy that otherwise would be wasted. This research sought to determine a methodology to assess the potential of hydropower application to wastewater treatment plants (WWTPs), regarding different aspects of sustainability. Firstly, previously developed methodologies for potential assessment in this sector at a country level were analyzed. Secondly, data from existing real case studies were gathered from publicly available documents and a theoretical analysis of their actual performance was conducted to validate assumptions made in the previous methodologies. As a result, the proposed new approach suggests adapting methodologies for potential assessment at a lower level, considering possible driving factors, other than economic feasibility. To define the study area, the management model scope should be considered. The power to determine the cut-off point for a WWTP to be considered as a potential site, is proposed to be lowered according to technical feasibility. Additionally, bearing in mind the sustainability concept, social or environmental factors should also be introduced in the methodology, tailored to the region being assessed. This novel perspective could provide a closer approach to the most likely decision-making level for these kinds of strategies in the wastewater industry.

scholarly journals An Economic Analysis of An Innovative Floating Offshore Wind Platform Built with Concrete: The SATH® Platform

2020 ◽  
Vol 10 (11) ◽  
pp. 3678
Author(s):  
Eugenio Baita-Saavedra ◽  
David Cordal-Iglesias ◽  
Almudena Filgueira-Vizoso ◽  
Àlex Morató ◽  
Isabel Lamas-Galdo ◽  
...  
Keyword(s):  
Economic Analysis ◽  
Capital Cost ◽  
Economic Feasibility ◽  
Offshore Wind ◽  
New Approach ◽  
Capital Costs ◽  
Energy Technologies ◽  
Wind Structure ◽  
Main Material

The goal of this work is to carry out an economic analysis of a novel floating offshore wind structure, of which the main material is concrete: the SATH® platform. It takes a step forward in floating marine wind energy research, in which traditional platforms are mainly composed of steel. The technique to calculate the costs of the platform and the economic parameters to decide if the farm is economically feasible are explained in the paper. This case study analyzes a possible farm of 500 MW located in Portugal and several scenarios considering different electric tariffs and capital costs (Scenario 1: electric tariff of 50 €/MWh and 6% of capital cost; Scenario 2: electric tariff of 50 €/MWh and 8% of capital cost; Scenario 3: electric tariff of 150 €/MWh and 6% of capital cost; Scenario 4: electric tariff of 150 €/MWh and 8% of capital cost). Results show the economic feasibility of a farm with the characteristics of Scenarios 3 and 4. This work is significant in order to provide a new approach to analyzing traditional floating offshore wind structures, which can represent a path towards the future of floating offshore renewable energy technologies.

A Medieval Open Work

POETICA ◽  
2021 ◽  
Vol 52 (3-4) ◽  
pp. 228-265
Author(s):  
Rafael Simian
Keyword(s):  
The Other ◽  
Specific Function ◽  
Umberto Eco ◽  
New Approach ◽  
Avant Garde ◽  
Other Hand ◽  
Open Work ◽  
New Perspective ◽  
A Minor

Abstract Guigo II is commonly known and praised among specialists of Western mysticism for his Scala claustralium, a work that presents a spiritual program for cloistered monks. His Meditations, on the other hand, have usually been relegated to the margin of attention. The First Meditation, in particular, is generally regarded as a minor piece. The paper argues, however, that a new approach can make better sense of the First Meditation, while also enabling us to recognize its specific function and value. Seen from this new perspective, Guigo’s purpose with the text is to train and exercise his readers’ minds according to the spiritual program laid out in the Scala. The paper shows that the First Meditation realizes that goal, surprisingly, by having the same essential features that Umberto Eco found in the ‘open works’ of the Western avant-garde.

Delivering fuel poverty objectives within the context of globalised energy markets

2017 ◽  
pp. 85-102
Author(s):  
Carolyn Snell
Keyword(s):  
Lower Energy ◽  
Energy Markets ◽  
Energy Prices ◽  
Global Energy ◽  
Policy Makers ◽  
Efficiency Measures ◽  
Policy Measures ◽  
Policy Direction ◽  
The Uk ◽  
Energy Companies

This chapter explores claims made by policy makers in the UK that, despite having no control over global energy markets, existing policy protects households vulnerable to fuel poverty through the regulation of commercial energy suppliers and specific policies that provide cash transfers and energy-efficiency measures. Keeping energy prices low is an essential part of the UK government's approach to fuel poverty alleviation, but this task is a complex one in which the steering capacity of the nation-state often seems weak and its capacity hollowed out. This is exacerbated by a neoliberal policy direction that funds environmental and social policy measures through charges on energy bills rather than through tax-funded programmes. The chapter then argues that existing policy has been somewhat contradictory in its view of the government's power to steer energy markets. While the Department for Energy and Climate Change suggested that the UK has no control over the global energy market, this does not match political rhetoric, which has emphasised the importance of increasing domestic energy security in order to spread risk and reduce dependence on politically unstable fossil fuel-producing states, and has also seen political pressure placed on the six main energy companies to lower energy charges to consumers.

scholarly journals Regional governance and public accountability in planning for new housing: A new approach in South Holland, the Netherlands

2017 ◽  
Vol 36 (6) ◽  
pp. 1027-1045 ◽  
Author(s):  
Vitnarae Kang ◽  
Daniëlle A Groetelaers
Keyword(s):  
The Netherlands ◽  
Regional Governance ◽  
Housing Development ◽  
Pivotal Role ◽  
Public Accountability ◽  
Relational Dynamics ◽  
Policy Makers ◽  
New Approach ◽  
Housing Planning ◽  
Governance Modes

Regional governance is coming to play an increasingly pivotal role in the planning of housing development. It has been argued that an absence of formal accountability lines in regional governance is beneficial because it makes inter-municipal coordination more flexible, without the need for territorial adjustments in local authorities. However, this view is based on a narrow interpretation of public accountability. In fact, regional governance becomes effective when hierarchical accountability arrangements are structured to reinforce horizontal accountability that strengthens self-organising capacity. This paper is based on a study of regional housing planning in the province of South Holland, the Netherlands, and analyses three types of governance modes (hierarchical, horizontal and market-oriented) and public accountability relationships. The measures undertaken in the case under review to ensure effective regional housing planning under changing market circumstances highlight the need to modify accountability arrangements when policy-makers choose a new set of governance modes in order to shape relational dynamics appropriately.

Decomposed software pipelining: A new perspective and a new approach

1994 ◽  
Vol 22 (3) ◽  
pp. 351-373 ◽  
Author(s):  
Jian Wang ◽  
Christine Eisenbeis ◽  
Martin Jourdan ◽  
Bogong Su
Keyword(s):  
Software Pipelining ◽  
New Approach ◽  
New Perspective

scholarly journals Measuring hospital spatial wingspan by using a discrete choice model with utility-threshold

2018 ◽  
Author(s):  
Saley Issa ◽  
Ribatet Mathieu ◽  
Molinari Nicolas
Keyword(s):  
Monte Carlo ◽  
Discrete Choice ◽  
Choice Model ◽  
Discrete Choice Models ◽  
Mcmc Methods ◽  
Hospital Competition ◽  
Policy Makers ◽  
New Approach ◽  
Asthma Patients ◽  
The One

AbstractPolicy makers increasingly rely on hospital competition to incentivize patients to choose high-value care. Travel distance is one of the most important drivers of patients’ decision. The paper presents a method to numerically measure, for a given hospital, the distance beyond which no patient is expected to choose the hospital for treatment by using a new approach in discrete choice models. To illustrate, we compared 3 hospitals attractiveness related to this distance for asthma patients admissions in 2009 in Hérault (France), showing, as expected, CHU Montpellier is the one with the most important spatial wingspan. For estimation, Monte Carlo Markov Chain (MCMC) methods are used.

Exploring the impacts of COVID-19 pandemic on Algeria’s energy used and climate change based on Olduvai theory

2022 ◽  
Vol 13 (1) ◽  
pp. 0-0
Keyword(s):  
Energy Demand ◽  
Clean Energy ◽  
Ecological Crisis ◽  
Industrial Society ◽  
The Novel ◽  
Policy Makers ◽  
Energy Technologies ◽  
Industrial Civilization ◽  
The 2008 Financial Crisis ◽  
The Impact

The Death of Industrial Civilization explains how the contemporary ecological crisis within industrial society is caused by the values inherent in unlimited economic growth and competitive materialism. It demonstrates the central role and importance of electricity, and what policy makers need to do in order to ensure that current and future systems remain reliable even as they are transformed by the rise of clean energy technologies. The novel COVID19 pandemic has created an unprecedented global health and economic crisis. The result of such a scenario is that energy demand contracts by 6%, the largest in 70 years in percentage terms and the largest ever in absolute terms. The impact of Covid19 on energy demand in 2020 would be more than seven times larger than the impact of the 2008 financial crisis on global energy demand and this is what the Olduvai theory is defined by e=energy production/population. It states that the life expectancy of Industrial Civilization is less than or equal to 100 years.

Sustainable Design of Photovoltaics

2017 ◽  
pp. 416-493
Author(s):  
Mihai V. Putz ◽  
Marina A. Tudoran ◽  
Marius C. Mirica ◽  
Mirela I. Iorga ◽  
Radu Bănică ◽  
...  
Keyword(s):  
Quantum Hall Effect ◽  
Electron Tunneling ◽  
Sustainable Design ◽  
Quantum Hall ◽  
Photovoltaic Cell ◽  
Green Energy ◽  
Photovoltaic Devices ◽  
New Approach ◽  
Ft Ir ◽  
New Perspective

With the ever present-to-future need of renewable energy the main features of photo-electrochemistry processes are reviewed and described from the perspective of devices phenomenology serving to sustainable design of photovoltaics, while providing the quantum insight in terms of data observability and interpretation. At the same time, the photovoltaic cell “enriched” with quantum dots is presented as a “milestone for obtaining green energy”, a perspective opened by the developing of recent nanotechnology. Nevertheless, this new approach is referring to both theoretical and experimental aspects, both equally needed in order to find a way to develop efficient and ecological photovoltaic devices. Finally, bondonic information for molecules activated in mesoscopic scale are determined while combining their FT-IR spectra with photovoltaic fill factor and metrological quantum triangle (electron tunneling, Josephson effect and quantum Hall effect) towards challenging new perspective of sub-quantum interaction in condensed nano-matter.

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