The Urban Water Utility of the Future: Peak Performance & Low Carbon (webinar on demand)

Learning Objectives

• Participants are aware of the opportunity of a low carbon future for utilities and the necessity to adopt a “low-Carbon” mindset.
• Participants will become familiar with the WaCCliM Roadmap, its five-step process and a number of critical components (which include data management needs and assessment tools, an enabling environment, a ‘bankable’ project proposal, and a monitoring plan).
• Participants have several ideas of practical measures that can be implemented by utilities to become climate smart, illustrated by case studies.
• Participants have a go-to resource to apply the five-step process and are energised to initiate action within their organization.

Decarbonisation of water utilities- Tool for energy and carbon emission assessment (webinar on demand)

Learning Objectives of the Webinar:

After the session the participants:

1. Understand drivers and justification for decarbonising by utilities
2. Can explain the purpose and the basic applications of the ECAM tool and its relevance for utilities.
3. Are inspired to initiate steps to realize CO2 low water utilities and look for solutions to overcome costs related issues
4. Are aware of the big picture impact of mitigation and the importance of creating an enabling environment

WaCCliM Case Study – Portugal

Over recent years Portuguese water and waste water utilities have faced a enormous challenge, mainly due to economic crises but also through the transition between a period of significant investment in infrastructure and a most recent period which has been more focused on optimization, resource recovery, the circular economy towards an economy less dependent on fossil energy, developing the potential to produce energy from renewable sources, maximizing processes efficiency and reducing GHG emissions.

Case study: Arrudas Waste Water Treatment Plant Biogas Recovery

The Arrudas biogas project offers a valuable example of a well-functioning energy recovery project that embraces the principals of low-carbon sustainability within municipal wastewater treatment operations.  Since the project came on-line in 2011 it has avoided over 6,000 tons of CO2e, emissions that would have otherwise been emitted directly to the atmosphere.

Case Study: Aguas de Cartagena, Colombia – An Example of a Water Utility Transformation to a Low Carbon Low Energy Future

In Colombia, with the new SDG agenda, utilities are starting to understand the importance to become more efficient in their operation, not only because of the costs, but also due to the impact that their systems have in the environment. The example of Aguas de Cartagena showcased the effort of a water utility to increase its efficiency, with the optimization of the pumping system it was possible to reduce the energy consumption (and energy costs) in the water supply system, and consequently a reduce the GHG emissions.

Sewer sludge cleaning and subsequent sludge sediments recycling reuse: A case study in PR China

The treatment and disposal of sludge sediments come from sewer cleaning process is the key for carbon neutrality of the whole system. This means that the sludge sediments should be recycled and beneficial reused rather than directly incineration, landfill or even laissez-faire. nevertheless, besides the environmental impacts of carbon footprint mitigation, relevant co-conflicting issues may include engineering cost, public perception, socio-economic, rules/regulations, and managerial aspects of cleaning process. They all receive excessive consideration from government authorities and stakeholders.

Estudio de Caso – Perú

Planificación local, impacto global – Como las Empresas de Agua y Saneamiento del Perú enfrentan el Cambio Climático

¿Cómo asegurar la prestación de los servicios de agua y saneamiento en un contexto de cambio climático? Los Planes de Mitigación y Adaptación al Cambio Climático (PMACC) son una herramienta para abordar este desafío. Permiten identificar las principales fuentes de emisiones de carbono y los mayores riesgos asociados al clima a lo largo del ciclo urbano del agua; así como las oportunidades de las empresas prestadoras de servicios de agua y saneamiento (EPS) para impulsar un cambio positivo hacia la neutralidad y adaptación climática. Siguiendo una metodología estandarizada y con la ayuda de herramientas virtuales, el proceso de planificación es más rápido y genera un reporte para informar a los tomadores de decisión. Gracias a esta buena planificación, algunas empresas del Perú han empezado a buscar soluciones prácticas para reducir sus emisiones de carbono, como es el caso de las empresas de agua de Cusco y Ayacucho. La iniciativa PMACC fue desarrollada e implementada en colaboración entre WaCCliM (responsable de la parte de mitigación) y PROAGUA II.

Case Study – Peru

Planning locally, impacting globally – How Water and Wastewater Utilities in Peru are Facing Climate Change

How to ensure water and sanitation services delivery under a climate change context? The climate change mitigation and adaptation plans (PMACC; Planes de Mitigación y Adaptación al Cambio Climático) are tools to address this challenge. PMACC identify main carbon emissions sources and higher climate risks throughout the urban water cycle, along with water utilities’ opportunities to boost a positive change towards climate neutrality and adaptation. Following a standardised methodology and supported by web-based tools, the planning process becomes quicker and generates a report to informing decision-makers. This planning approach enabled some water utilities in Peru to start searching for practical carbon emissions reduction solutions, such as water utilities in Cusco and Ayacucho. The PMACC initiative was developed and implemented collaboratively between WaCCliM (responsible for mitigation) and PROAGUA II.

Calculator Tool for Determining Greenhouse Gas Emissions for Biosolids Processing and End Use

A greenhouse gas (GHG) calculator tool (Biosolids Emissions Assessment Model, BEAM) was developed for the Canadian Council of Ministers of the Environment to allow municipalities to estimate GHG emissions from biosolids management. The tool was developed using data from peer-reviewed literature and municipalities. GHG emissions from biosolids processing through final end use/disposal were modeled. Emissions from nine existing programs in Canada were estimated using the model. The program that involved dewatering followed by combustion resulted in the highest GHG emissions (Mg CO2e 100 Mg-1 biosolids (dry wt.). The programs that had digestion followed by land application resulted in the lowest emissions (-26 and -23 Mg CO2 e100 Mg-1 biosolids (drywt.). Transportation had relatively minor effects on overall emissions. The greatest areas of uncertainty in the model include N2O emissions from land application and biosolids processing. The model suggests that targeted use of biosolids and optimizing processes to avoid CH4 and N2O emissions can result in significant GHG savings.

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