Are EU waste-to-energy technologies effective for exploiting the energy in bio-waste?

Maria, Francesco Di; Sisani, Federico; Contini, Stefano

doi:10.1016/j.apenergy.2018.09.007

Cited by 52 publications

(20 citation statements)

References 111 publications

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“…Biomass sources, even with less than 40% dry matter content, can be used in the AD process. Recent studies verify a higher potential for improving AD systems in comparison with the incineration technology [4,5].…”

Section: Introductionmentioning

confidence: 93%

A Review on Anaerobic Co-Digestion with a Focus on the Microbial Populations and the Effect of Multi-Stage Digester Configuration

et al. 2019

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Recent studies have shown that anaerobic co-digestion (AnCoD) is superior to conventional anaerobic digestion (AD). The benefits of enhanced bioenergy production and solids reduction using co-substrates have attracted researchers to study the co-digestion technology and to better understand the effect of multi substrates on digester performance. This review will discuss the results of such studies with the main focus on: (1) generally the advantages of co-digestion over mono-digestion in terms of system stability, bioenergy, and solids reduction; (2) microbial consortia diversity and their synergistic impact on biogas improvement; (3) the effect of digester mode, i.e., multi-stage versus single stage digestion on AnCoD. It is essential to note that the studies reported improvement in the synergy and diverse microbial consortia when using co-digestion technologies, in addition to higher biomethane yield when using two-stage mode. A good example would be the co-digestion of biodiesel waste and glycerin with municipal waste sludge in a two-stage reactor resulting in 100% increase of biogas and 120% increase in the methane content of the produced biogas with microbial population dominated by Methanosaeta and Methanomicrobium.

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Section: Introductionmentioning

confidence: 93%

A Review on Anaerobic Co-Digestion with a Focus on the Microbial Populations and the Effect of Multi-Stage Digester Configuration

et al. 2019

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“…In comparison, subcritical water extraction (SWE), is extraction using hot water under pressure. In general, although novel methods (bioremediation, biogas production, membrane technologies, supercritical and subcritical fluid extraction) appear to be promising and attractive alternatives, major drawbacks include high cost, for equipment and training, and are not yet applied in major business sectors [20][21][22][23].…”

Section: Ways Of Waste Managementmentioning

confidence: 99%

Circular Economy in Conjunction with Treatment Methodologies in the Biomedical and Dental Waste Sectors

2021

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In this review, life cycle assessment (LCA) principles are coupled with circular economy (CE) in order to address LCA examples in the biomedical sector worldwide. The objectives were (1) to explore the application of LCA in the medical, pharmaceutical, and dental fields; (2) to describe the ways of biomedical waste management; (3) to emphasize on the problem of dental waste in private and public dental sectors; and (4) to propose ways of "green circulation" of the dental waste. A literature search was performed using the Google Scholar, PubMed, and Scopus search engines covering the period from January 2000 until May 2020, corresponding to articles investigating the LCA and circular economy principles and legislation for biomedical and dental waste, their management options, and modern ways of recycling. The results showed that incineration seems to be the best management way option involved despite the mentioned drawbacks in this technology. Different adopted models are well defined for the dental field based on the 3Rs' module (reduce, reuse, recycle). Replacing disposable products with reusable ones seems to be a good way to tackle the problem of waste in medical and dental sectors. Interventions on the selection and better biomedical and dental waste management will ensure eco-medicine and eco-dentistry of the future. These new terms should be the new philosophies that will change the way these fields operate in the future for the benefit of the professionals/patients and the community.

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“…Depending on waste composition and on the policies and goals of local governments, the energy recovery may play a significant role in solving different problems. For example, since the first EU-level waste management Directive 91/156/EC (European Council, 1991), incineration coupled with energy recovery has been reported as an effective solution for reducing the mass and reactivity of waste that cannot be reused, recycled, or recovered prior to landfilling (Di Maria et al, 2018). More recently, Guanghui et al (2019) showed that the rapid development of incineration technologies in China is directly linked with the governance and institutional patterns of the country that influence positively people’s trust and risk perception attitudes.…”

Section: Resultsmentioning

confidence: 99%

Global municipal solid waste infrastructure: Delivery and forecast of uncontrolled disposal

Maalouf

Mavropoulos²,

El‐Fadel

2020

Waste Manag Res

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Proper management and treatment of municipal solid waste (MSW) plays a central role towards the reduction or elimination of uncontrolled disposal and the achievement of United Nations (UN) Sustainable Development Goals (SDGs) with the reduction of its vast adverse environmental and health impacts. Despite that, till now, there has never been a quantitative analysis of the progress in waste management infrastructure delivery worldwide. In this paper, we provide valuable insights regarding the progress in new MSW infrastructure delivery based on a dataset of 1764 projects from 156 countries, for the period 2014–2019. We also estimate the magnitude of uncontrolled waste disposal practices worldwide by estimating the gap between the current MSW infrastructure delivery and actual changes in MSW generation. Our results show that the new capacity delivered during the six years period amounted to 243 million metric tonnes (Mt) (40 million Mt per year), out of which 45% was delivered in high-income countries, 37.5% in the People’s Republic of China and 17.5% in the rest of the world, mainly through thermal treatment (~57%) and landfilling (8%). The average allocated per capita budget of these projects during this period is about US$14, equivalent to US$ 2.33 (cap*year)−1. Our main conclusion is that the share of uncontrolled disposal will continue to rise at least until 2028, reaching almost 730 million Mt per year. Evidently, the global community continues to face a serious challenge towards the implementation of the UN SDG 12, target 12.4 by 2020. The analysis demonstrates that infrastructure delivery must increase by four folds to eliminate uncontrolled disposal practices.

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Are EU waste-to-energy technologies effective for exploiting the energy in bio-waste?

Cited by 52 publications

References 111 publications

A Review on Anaerobic Co-Digestion with a Focus on the Microbial Populations and the Effect of Multi-Stage Digester Configuration

A Review on Anaerobic Co-Digestion with a Focus on the Microbial Populations and the Effect of Multi-Stage Digester Configuration

Circular Economy in Conjunction with Treatment Methodologies in the Biomedical and Dental Waste Sectors

Global municipal solid waste infrastructure: Delivery and forecast of uncontrolled disposal

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