Dealing with fuel contaminants in biogas-fed solid oxide fuel cell (SOFC) and molten carbonate fuel cell (MCFC) plants: Degradation of catalytic and electro-catalytic active surfaces and related gas purification methods

Lanzini, Andrea; Madi, Hossein; Chiodo, V.; Papurello, Davide; Maisano, Susanna; Santarelli, Massimo; herle, Jan Van

doi:10.1016/j.pecs.2017.04.002

Cited by 136 publications

(74 citation statements)

References 209 publications

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“…On the other side, challenges for industrial replication of the biogas-fed SOFC concept should also be faced and discussed, such as the deeper biogas cleaning respect to traditional ICEs. This topic is deeply discussed in the authors' previous works and others literature works (Papurello et al, 2014Lanzini et al, 2017;Shiratori et al, 2017).…”

Section: Solid Oxide Fuel Cells As a Best Practice For Biogas Exploitmentioning

confidence: 94%

Enhancing the Energy Efficiency of Wastewater Treatment Plants through Co-digestion and Fuel Cell Systems

Gandiglio

Lanzini

Soto

et al. 2017

Front. Environ. Sci.

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105

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The present work provides an overview of technological measures to increase the self-sufficiency of wastewater treatment plants (WWTPs), in particular for the largely diffused activated sludge-based WWTP. The operation of WWTPs entails a huge amount of electricity. Thermal energy is also required for pre-heating the sludge and sometimes exsiccation of the digested sludge. On the other hand, the entering organic matter contained in the wastewater is a source of energy. Organic matter is recovered as sludge, which is digested in large stirred tanks (anaerobic digester) to produce biogas. The onsite availability of biogas represents a great opportunity to cover a significant share of WWTP electricity and thermal demands. Especially, biogas can be efficiently converted into electrical energy (and heat) via high temperature fuel cell generators. The final part of this work will report a case study based on the use of sewage biogas into a solid oxide fuel cell. However, the efficient biogas conversion in combined heat and power (CHP) devices is not sufficient. Self-sufficiency requires a combination of efficient biogas conversion, the maximization the yield of biogas from the organic substrate, and the minimization of the thermal duty connected to the preheating of the sludge feeding the anaerobic digester (generally achieved with pre-thickeners). Finally, the co-digestion of the organic fraction of municipal solid waste (OFMSW) into digesters treating sludge from WWTPs represent an additional opportunity for increasing the biogas production of existing WWTPs, thus helping the transition toward self-sufficient plants.

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Section: Solid Oxide Fuel Cells As a Best Practice For Biogas Exploitmentioning

confidence: 94%

Enhancing the Energy Efficiency of Wastewater Treatment Plants through Co-digestion and Fuel Cell Systems

Gandiglio

Lanzini

Soto

et al. 2017

Front. Environ. Sci.

Self Cite

105

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“…This energy generation is cleaner mainly due to the direct conversion of chemical energy to electrical energy without combustion, which significantly reduces pollutant emissions. Recently, this technology has found a lot of applications in several fields, such as industrial and residential sectors [1][2][3]. Among such applications, the coupling with wastewater treatment plants (WWTPs) has led to improvements for the integration of energy production and the recovery of materials.…”

Section: Introductionmentioning

confidence: 99%

Biogas Cleaning: Activated Carbon Regeneration for H2S Removal

Coppola

Papurello

2018

Clean Technol.

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Abstract:The coupling of fuel cell technology with wastewater treatment plants (WWTPs) is within the sustainable development imperative for the integration of energy production purposes and recovery of materials, even if research is still under development in this field. The anaerobic digestion process can be used for fuel cell feeding, only if trace contaminants are removed continuously. The most harmful and frequent contaminant is H 2 S. This article shows the results of H 2 S adsorption on activated carbon fixed-beds (dry process), since it is one of the best solutions from both the complexity and costs perspectives. Inside the wide range of commercial activated carbons, a specific commercial carbon has been used in test campaigns, since it is also used in the Società Metropolitana Acque Torino (SMAT) real plant. Thermal regeneration of spent carbons was exploited, using different conditions of temperature, treatment time and atmosphere, since it is a better cost-effective and environmentally sound option than immediate carbon disposal after adsorption. Regeneration with CO 2 showed the best regeneration ratio values. In particular, the best conditions achieved were 300 • C and 75 min of thermal treatment time, with a regeneration ratio of 30%.

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“…Adopting the technology assuring the highest energy valorization of these waste streams is an important challenge. In this context, Solid Oxide Fuel Cell (SOFC) systems seem to represent the best option for the energy recovery from biogas [32], [33]. Furthermore, looking at the biogas potential in EU, the most common anaerobic digestion plant size is in the sub-MW scale, which is exactly the size where the efficiency of SOFC-based systems outperforms one of the thermal plants with a value of around 20% points.…”

Section: Contextmentioning

confidence: 99%

The Energy Center Initiative at Politecnico di Torino: Practical experiences on energy efficiency measures in the municipality of Torino

Borchiellini¹,

Corgnati²,

Becchio³

et al. 2017

IJHT

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Urban districts should evolve towards a more sustainable infrastructure and greener energy carriers. The utmost challenge is the smart integration and control, within the existing infrastructure, of new information and energy technologies (such as sensors, appliances, electric and thermal power and storage devices) that are able to provide multi-services based on multi-actors and multi and interchangeable energy carriers. In recent years, the Municipality of Torino represents an experimental scenario, in which practical experiences in the below-areas have taken place through a number of projects: 1. energy efficiency in building; 2. smart energy grids management and smart metering; 3. biowaste-to-energy: mixed urban/industrial waste management with enhanced energy recovery from biogas. This work provides an overview and update on the most interesting initiatives of smart energy management in the urban context of Torino, with an analysis and quantification of the advantages gained in terms of energy and environmental efficiency.

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Dealing with fuel contaminants in biogas-fed solid oxide fuel cell (SOFC) and molten carbonate fuel cell (MCFC) plants: Degradation of catalytic and electro-catalytic active surfaces and related gas purification methods

Abstract: Dealing with fuel contaminants in biogas-fed solid oxide fuel cell (SOFC) and molten carbonate fuel cell (MCFC) plants: Degradation of catalytic and electro-catalytic active surfaces and related gas purification methods / Lanzini, Andrea;

Cited by 136 publications

References 209 publications

Enhancing the Energy Efficiency of Wastewater Treatment Plants through Co-digestion and Fuel Cell Systems

Enhancing the Energy Efficiency of Wastewater Treatment Plants through Co-digestion and Fuel Cell Systems

Biogas Cleaning: Activated Carbon Regeneration for H2S Removal

The Energy Center Initiative at Politecnico di Torino: Practical experiences on energy efficiency measures in the municipality of Torino

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