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Tommy Ender, Vicky Shettigondahalli Ekanthalu, Haniyeh Jalalipour, Jan Sprafke and Michael Nelles
Hydrothermal carbonization (HTC) has developed considerably over the last 15 years and offers a viable alternative for the utilization of municipal and industrial organic waste such as sewage sludge. However, the technology has yet to establish itself as...
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Paraskevi Psachoulia, Christos Chatzidoukas and Petros Samaras
Microalgae offer a promising solution for efficiently treating high-nitrogen wastewater and recovering valuable nutrients. To optimize microalgae growth and nutrient assimilation, case-dependent studies are essential to demonstrate the process?s potentia...
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Nicholas Davison, Aaron Brown and Andrew Ross
Pig manure currently results in sizeable greenhouse gas emissions, during storage and spreading to land. Anaerobic digestion and hydrothermal carbonisation could provide significant greenhouse gas mitigation, as well as generate renewable heat and power ...
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Yijia Zhang, Qinqing Bo, Xintian Ma, Yating Du, Xinyi Du, Liyang Xu and Yadong Yang
Recently, there has been a significant focus on the issue of pollution caused by livestock and poultry rearing, which is recognized as a prominent contributor to nonpoint source pollution in the agricultural sector. This study employed the life cycle ass...
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Ana Eusébio, Carla A. Santos and Isabel Paula Marques
Microalga Chlorella protothecoides materials were assessed as substrates for anaerobic digestion (AD) aiming at the simultaneous production of biogas/methane and pigments: whole autotrophic (AA) and heterotrophic algae (H); extracted heterotrophic microa...
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Sara Agostini, Francesco Moriconi, Mauro Zampirolli, Diego Padoan, Laura Treu, Stefano Campanaro and Lorenzo Favaro
The knowledge of the microbiome in the anaerobic digestion (AD) is critical for stabilizing the process and optimizing the biogas yield. This work investigates the microbial ecology in four full-scale biogas plants with different feedstocks and process p...
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Joanna Kazimierowicz, Marcin Debowski, Marcin Zielinski, Izabela Bartkowska, Adam Wasilewski, Dawid Lapinski and Piotr Ofman
The most common technology for the recovery of energy and valuable materials from sewage sludge is anaerobic digestion (AD). Ensuring thermophilic conditions during AD has been proven to cause process intensification and an improvement in its final outco...
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Mohd Imran Siddiqui, Hasan Rameez, Izharul Haq Farooqi and Farrukh Basheer
Rapid population growth and urbanization have resulted in a multi-fold increase in water consumption over the last few decades, resulting in the generation of large amounts of sewage and sewage sludge that impose severe environmental burdens if not handl...
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Euclides Deago, Marian Ramírez, Kleveer Espino, Daniel Nieto, Maudi Barragán, Max García and Jessica Guevara-Cedeño
Anaerobic digestion (AD) is usually carried out at mesophilic temperatures (25?45 °C) in most countries, whether in temperate or tropical climates, which results in the need for heat injection and consequently increases costs. In this regard, batch AD te...
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Zikhona Tshemese, Nirmala Deenadayalu, Linda Zikhona Linganiso and Maggie Chetty
Bioenergy production from waste is one of the emerging and viable routes from renewable resources (in addition to wind and solar energy). Many developing countries can benefit from this as they are trying to solve the large amounts of unattended garbage ...
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