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Lidija Jakobek, Jozo I?tuk, Andrew R. Barron and Petra Matic
Bioactive phenolic compounds in their natural form show beneficial effects on the gastrointestinal system. The kinetics of their release are important for understanding those effects. The aim was to study the kinetics of the release of phenolic compounds...
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Fokion Kaldis, Denise Cysneiros, James Day, Kimon-Andreas G. Karatzas and Afroditi Chatzifragkou
Wheat straw (WS) is considered a favourable substrate for biogas production. However, due to its rigid structure and high carbon to nitrogen (C/N ratio), its biodegradability during anaerobic digestion (AD) is usually low. In the present study, the effec...
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Marisa Carmela Caruso, Ada Braghieri, Angela Capece, Fabio Napolitano, Patrizia Romano, Fernanda Galgano, Giuseppe Altieri and Francesco Genovese
The production of biogas from anaerobic digestion (AD) of residual agro-food biomasses represents an opportunity for alternative production of energy from renewable sources, according to the European Union legislation on renewable energy. This review pro...
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Alejandro Velásquez, Pierre-Guy Marnet, Rodrigo Arias
Pág. 45 - 55
. In a first experiment, the effect of in vitro incubation with Aspergillus niger (An) on the chemical composition of different fibrous substrates was studied. In a second experiment, the effect of incubation time (0, 72 and 144 h) on in vitro digestion ...
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Shohreh Azizi, Ilunga Kamika and Memory Tekere
The aerobic sludge digestion process for waste sludge generated from suspended biomass (i.e., activated sludge process, ASP) and attached biomass (i.e., moving bed bioreactor, MBBR and modified packed bed biofilm, PBBR) reactors in a residential complex ...
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Shohreh Azizi, Ilunga Kamika and Memory Tekere
The aerobic sludge digestion process for waste sludge generated from suspended biomass (i.e., activated sludge process, ASP) and attached biomass (i.e., moving bed bioreactor, MBBR and modified packed bed biofilm, PBBR) reactors in a residential complex ...
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Anastazija Gselman and Maksimiljan Brus
This study investigated whether the process of ensiling and in vitro digestion in rumen juice, as well as the response to soaking in pig or cattle slurry, affects the germination rate and germination energy of Rumex obtusifolius (broad-leaved dock) seeds...
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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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Mbuyamba Divin Mukendi and Nomvano Mketo
Fluoride ions are the major constituents of dental products because they prevent cavities through bacterial growth inhibition. However, excessive consumption of fluoride ions results in fluorosis, thereby causing tooth staining and roughness. Therefore, ...
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Svetlana Öfverström, Åsa Davidsson, Salar Haghighatafshar, Hamse Kjerstadius and Jes la Cour Jansen
Ochre, waste iron sludge from the treatment of iron rich groundwater for potable use, makes up a significant waste problem. Furthermore, wastewater treatment plants with enhanced biological phosphorus removal and the digestion of sludge are in lack of ir...
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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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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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Xiaofeng Jia, Hanxin Fan, Jiawei Liang, Jihua Dai, Yu Sun and Wenning Mai
The alcohol precipitation wastewater discharged from the production of Chinese patent medicine (CPM) has an extremely high chemical oxygen demand (COD) and poor biodegradability. In this study, the biological treatment method of anaerobic digestion coupl...
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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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Jieying Liu and Zhigao Bi
Anaerobic digestion is a promising technology for treating and disposing of oily sludge, but the presence of oil in the sludge reduces methane production and sludge volume reduction. To overcome this limitation, this study creatively reports the use of m...
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Yongping Li, Jiaoning Zhu, Yun Tang, Xiangyuan Shi, Sumera Anwar, Juanling Wang, Li Gao and Jingxuan Zhang
High ammonium release from chicken manure poses a significant limitation to aerobic digestion, impeding microbial processes and inhibiting biogas production. In this study, we conducted anaerobic digestion of a mixture consisting of chicken manure and co...
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Jakub Kieps, Anna Olejnik, Wojciech Juzwa and Radoslaw Dembczynski
The presented analysis provides a concise depiction of the fluid bed drying process of probiotics. It also introduces a new method of evaluation for probiotics, based on the actual number of biologically useful cells. This factor is used to evaluate and ...
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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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