Hoja Informativa – ECAM 3.0

La “Herramienta de Evaluación y Monitoreo del Desempeño Energético y Emisiones de Carbono” (ECAM) ofrece capacidades excepcionales para evaluar las emisiones de gases de efecto invernadero (GEI) y el consumo de
energía en sistemas de agua y saneamiento. Obtenga nuevas perspectivas al identificar áreas de oportunidad para reducir las emisiones de GEI, aumentar el ahorro de energía y mejorar la eficiencia general para reducir costos.

Puede encontrar más información sobre la ECAM 3.0 en la hoja informativa.

Guía para la selección de procesos de tratamiento de aguas residuales municipales para facilitar la toma de decisiones, con enfoque en la reducción de emisiones de GEI

Esta Guía facilita la toma de decisiones preliminares sobre el proceso más apropiado para tratar las aguas residuales municipales. Esta Guía de selección de procesos se diseñó para respaldar la evaluación de proyectos de saneamiento desde un enfoque de mitigación del cambio climático que propicie el desarrollo sostenible, aunque sin descuidar los criterios de cumplimiento con las regulaciones ambientales mexicanas y la viabilidad técnica o económica.

Este folleto descriptivo y su libro complementario MS Excel © son herramientas de apoyo para evaluar las posibilidades de los trenes de tratamiento en las plantas de tratamiento de aguas residuales municipales. Los procesos recomendados y sus combinaciones reducen las emisiones gaseosas al máximo y muestran la viabilidad técnico-económica.

Reducing the Greenhouse Gas Emissions of Water and Sanitation Services:

This report approaches the question from the angle of energy use in the water sector rather than the better-known water requirements for the energy sector. The report also aims to provide an overview of possible levers to reduce the greenhouse gas emissions of water and sanitation services and provides an analysis of how adaptation measures can embrace this low-carbon approach.

Global Protocol for Community-Scale Greenhouse Gas Inventories

Cities are the global centers of communication, commerce and culture. They are also a significant, and growing, source of energy consumption and greenhouse gas (GHG) emissions. A city’s ability to take effective action on mitigating climate change, and monitor progress, depends on having access to good quality data. Planning for climate action begins with developing a GHG inventory.
An inventory enables cities to understand the emissions contribution of different activities in the community.

Water Climate Discussion

The Water Climate Discussion series creates a space to come together and help the water sector build its leading role in addressing the climate crisis. The series is the result of close collaboration between water institutions who recognise climate change as an
existential threat and wish to have a voice promoting a key message: water is climate. This report is based on the recorded third discussion of
the series: Energy Transitions, which was aired on Thursday, 1 July 2021. The discussion was hosted by Martin Currie and led by Ivan Vølund of VCS Denmark, John Sammon of Scottish Water Horizons and the interaction of the participants.

Full-Scale Evaluation of Conventional Activated Sludge and MABR N2O emissions

Nitrous oxide (N2O) is a greenhouse gas with a global warming potential 265 times stronger than carbon dioxide on a 100-year time horizon (Eickemeier et al., 2014) and therefore, even emitted in small amounts, it can contribute significantly to global warming. In addition, nitrous
oxide is acknowledged as an important threat to the ozone layer (Ravishankara et al., 2009). N2O is an undesired bioproduct emitted during the biological nitrogen removal process in wastewater treatment systems and despite the recent efforts in understanding nitrous oxide
emissions from wastewater treatment, data from full-scale plants is still scarce.

Hydrogen 2021: A Roadmap to Net Zero

As the world recognizes the growing impacts of climate change, there is a sense of urgency to accelerate the transition to energy, transport and industrial systems with fewer greenhouse gas emissions and effectuate more sustainable modes of production
and consumption. To enable this transition, new energy carriers will be needed to transfer the increased levels of decarbonized energy
to consumers, without impacting the quality of service to residential, industrial and transportation users. Hydrogen offers
a versatile solution and is emerging as an increasingly important energy vector for decarbonized fuel sources, as well as for the storage and transport of renewable energy. Hydrogen is expected to play a critical role in decarbonizing power generation and transport, heating domestic and commercial buildings, and supporting industrial feedstock and industrial processes — including hard-to-abate sectors such as
steel, refining, cement and agriculture.

Greenhouse Nitrogen Emissions from Wastewater Treatment Operation: Phase I: MOLECULAR LEVEL THROUGH WHOLE REACTOR LEVEL CHARACTERIZATION

Engineered biological nutrient removal (BNR) processes have been identified by the Intergovernmental Panel on Climate Change (IPCC) as potential contributors to atmospheric nitrous oxide (N2O) emissions. This is a significant concern to wastewater utilities because the greenhouse impact of nitrous oxide emissions on a mass equivalent basis is 300 times that of carbon dioxide. This study differs from other studies in that it characterizes the microbial pathways for N2O formation in addition to measurement of emission rates from several BNR and non-BNR plants across the U.S. As the production and emission pathways are understood, operational strategies to minimize N2O emissions appear highly likely.

Greenhouse gas emissions from membrane bioreactors: analysis of a two-year survey on different MBR configurations

This study aimed at evaluating the nitrous oxide (N2O) emissions from membrane bioreactors (MBRs) for wastewater treatment. The study investigated the N2O emissions considering multiple influential factors over a two-year period: (i) different MBR based process configurations; (ii) wastewater composition (municipal or industrial); (iii) operational conditions (i.e. sludge retention time, carbon-to-nitrogen ratio, C/N, hydraulic retention time); (iv) membrane modules. Among the overall analysed configurations, the highest N2O emission occurred from the aerated reactors. The treatment of industrial wastewater, contaminated with salt and hydrocarbons, provided the highest N2O emission factor (EF): 16% of the influent nitrogen for the denitrification/nitrification-MBR plant. The lowest N2O emission (EF = 0.5% of the influent nitrogen) was obtained in the biological phosphorus removal-moving bed-MBR plant likely due to an improvement in biological performances exerted by the co-presence of both suspended and attached biomass. The influent C/N ratio has been identified as a key factor affecting the N2O production. Indeed, a decrease of the C/N ratio (from 10 to 2) promoted the increase of N2O emissions in both gaseous and dissolved phases, mainly related to a decreased efficiency of the denitrification processes

Carbon Management in Infrastructure

Working together, infrastructure organizations have the power to use PAS 2080 to transform the benefits that a national economy gains from its infrastructure systems and to provide a sustainable legacy. If all parties involved across the value chain work collaboratively, towards a common goal to reduce carbon, the following outcomes can be achieved:
• Reduced carbon, reduced cost infrastructure;
• More collaborative ways of working will promote innovation, delivering benefit to society and communities served by economic infrastructure;
• Effective carbon management in infrastructure will make an important contribution to tackling climate change and leave a positive legacy for future generations;
• Delivering more sustainable solutions, at lower cost, will enhance the reputation of the infrastructure industry, generating pride for those who work in it and attracting new people and skills;

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