Journal ArticleDOI
Energy feasibility study of sludge pretreatments: A review
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TLDR
In this paper, a simple evaluation of energy consumption by pretreatments is made and it can be stated that unfortunately not all the pretreatment technologies have an energy self-sufficiency to be implemented in a WWTP, requiring many times a continuous energy investment.About:
This article is published in Applied Energy.The article was published on 2015-07-01. It has received 190 citations till now. The article focuses on the topics: Energy recovery & Biogas.read more
Citations
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Overview of pretreatment strategies for enhancing sewage sludge disintegration and subsequent anaerobic digestion: Current advances, full-scale application and future perspectives
TL;DR: In this article, an up-to-date review of recent research achievements in the pretreatment technologies used for improving biogas production including mechanical (ultrasonic, microwave, electrokinetic and high-pressure homogenization), thermal, chemical (acidic, alkali, ozonation, Fenton and Fe(II)-activated persulfate oxidation), and biological options (temperature-phased anaerobic digestion and microbial electrolysis cell).
Journal ArticleDOI
Enhancement of methane production in anaerobic digestion process: A review
Yue Li,Yinguang Chen,Jiang Wu +2 more
TL;DR: In this article, a comprehensive overview of the methods reported to enhance each step involved in anaerobic digestion is provided, and the strategies for improving enzyme activity are summarized, as well as the key points for future studies are proposed.
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Thermochemical processing of sewage sludge to energy and fuel: Fundamentals, challenges and considerations
TL;DR: In this article, the options of converting sewage sludge to energy and fuel via three main thermochemical conversion processes namely pyrolysis, gasification and combustion are reviewed, and various alternative approaches deserving further consideration, such as the incorporation of pre-processing and co-utilization, are discussed.
Journal ArticleDOI
Monitoring and diagnosis of energy consumption in wastewater treatment plants. A state of the art and proposals for improvement
Stefano Longo,Benedetto Mirko d’Antoni,Michael Bongards,Antonio Chaparro,Andreas Cronrath,Francesco Fatone,Juan M. Lema,Miguel Mauricio-Iglesias,Ana Soares,Almudena Hospido +9 more
TL;DR: In this paper, an overview of the literature of WWTP energy-use performance and of the state-of-the-art methods for energy benchmarking is given, along with a large dataset of WET energy consumption data, together with the methods for synthesizing the information.
Journal ArticleDOI
A review on the susceptor assisted microwave processing of materials
TL;DR: In this article, a review of the susceptor assisted microwave processing is presented, which brings together various case studies so that the readers can have a clear idea about the current status in each field of applications.
References
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Journal ArticleDOI
Pretreatment methods to improve sludge anaerobic degradability: a review.
Hélène Carrère,Claire Dumas,Audrey Battimelli,Damien J. Batstone,J.P. Delgenes,Jean-Philippe Steyer,Ivet Ferrer,Ivet Ferrer +7 more
TL;DR: This paper presents a review of the main sludge treatment techniques used as a pretreatment to anaerobic digestion, and it is likely that low impact pretreatment methods such as mechanical and thermal phased improve speed of degradation, while high impact methods improve both speed and extent of degradation.
Journal ArticleDOI
Sewage sludge combustion
Joachim Werther,T. Ogada +1 more
TL;DR: In this article, a review of the current and future issues related to the combustion of sewage sludge is presented, and a number of technologies for thermal processing of sludge are discussed in three groups, i.e., mono-combustion, cocombustions and alternative processes.
Journal ArticleDOI
Pretreatment methods to enhance anaerobic digestion of organic solid waste
Javkhlan Ariunbaatar,Javkhlan Ariunbaatar,Antonio Panico,Giovanni Esposito,Francesco Pirozzi,Piet N.L. Lens +5 more
TL;DR: In this paper, a review of pretreatment techniques to enhance the anaerobic digestion of organic solid waste, including mechanical, thermal, chemical and biological methods, is presented, in terms of their efficiency, energy balance, environmental sustainability as well as capital, operational and maintenance costs.
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Ultrasonic pretreatment of sludge: A review
Sridhar Pilli,Puspendu Bhunia,Song Yan,R. J. LeBlanc,Rajeshwar Dayal Tyagi,Rao Y. Surampalli +5 more
TL;DR: The benefits of ultrasonication of sludge, the effect of sonication parameters, impact ofSludge characteristics on sludge disintegration, and thereby the increase in biogas production in anaerobic digester are summarized.
Journal ArticleDOI
Effect of ultrasonic, thermal and ozone pre-treatments on waste activated sludge solubilisation and anaerobic biodegradability
TL;DR: In this article, the effects of ultrasound, sonication and thermal pre-treatment on batch anaerobic sludge biodegradability have been investigated in the same conditions and on the same sludge sample.