Results 31 to 40 of about 480,268 (357)

Kinetics Analysis of Anaerobic Digestion of Wheat Straw Pretreated by Freezing-Thawing

open access: yesChemical Engineering Transactions, 2020
Anaerobic digestion, which can convert agriculture residues into biogas under the anaerobic condition, has rate limited step in its hydrolysis stage. Various pretreatment methods have been used to improve the hydrolysis rate of anaerobic digestion.
Qianru Zhang, Xinming Xi
doaj   +1 more source

Composting and Anaerobic Digestion of Food Waste and Sewage Sludge for Campus Sustainability: A Review

open access: yesInternational Journal of Chemical Engineering, 2022
Composting and anaerobic digestion have emerged as better options for managing food waste and sewage sludge at the campus level. This review highlights the characteristics of food waste and sewage sludge from various global higher education institutions.
Abu Zahrim Yaser   +8 more
doaj   +1 more source

Effects of sludge properties in a combined process of mesophilic anaerobic digestion and thermophilic aerobic digestion [PDF]

open access: yesE3S Web of Conferences, 2020
The combination of mesophilic anaerobic digestion and thermophilic aerobic digestion (MAN-TAD) has been recognized as a suitable technology to deal with conventional activated sludge. The MAN-TAD system can make sludge achieve better stability.
Zhao Zehua   +5 more
doaj   +1 more source

Iron-containing clay and hematite iron ore in slurry-phase anaerobic digestion of chicken manure

open access: yesAIMS Materials Science, 2019
It is shown in this review that addition of clay minerals and hematite iron ore can significantly enhance anaerobic digestion of chicken manure. Liquid-phase anaerobic digestion of chicken manure consumes a lot of fresh water and energy to keep waste as ...
Volodymyr Ivanov   +6 more
doaj   +1 more source

Enhancing Methane Production through Anaerobic Co-Digestion of Sewage Sludge: A Modified ADM1 Model Approach

open access: yesFermentation, 2023
The International Water Association’s (IWA) established Anaerobic Digestion Model No. 1 (ADM1) was created to serve as a backup for experimental findings regarding the actual anaerobic digestion process.
Khuthadzo E. Mudzanani   +3 more
doaj   +1 more source

Assessing the Synergistic Effects of Co-digestion of Maize Silage and Red Chicory Waste [PDF]

open access: yesChemical and Biochemical Engineering Quarterly, 2018
Nowadays, the anaerobic digestion of organic wastes to produce renewable energy is a reality in many countries. Many feedstocks can be processed by anaerobic digestion to produce biogas, however, anaerobic digestion of single substrates can have ...
A. Cortesi   +3 more
doaj   +1 more source

Anaerobic Digestion

open access: yes, 2018
Anaerobic digestion (AD) is a naturally-occurring biological process in soils, sediments, ruminants, and several other anoxic environments, that cycles carbon and other nutrients, and converts organic matter into a methane-rich gas. As a biotechnology, AD is now well-established for the treatment of the organic fraction of various waste materials ...
Collins, Gavin   +4 more
openaire   +3 more sources

New perspectives in anaerobic digestion

open access: yesWater Science and Technology, 2001
The IWA specialised group on anaerobic digestion (AD) is one of the oldest working groups of the former IAWQ organisation. Despite the fact that anaerobic technology dates back more than 100 years, the technology is still under development, adapting novel treatment systems to the modern requirements. In fact, most advances were achieved during the last
Van Lier, J.B.   +8 more
openaire   +5 more sources

Life Cycle Assessment and Techno-Economic Assessment of Anaerobic Co-Digestion: A Short Review

open access: yesChemical Engineering Transactions, 2021
Waste-to-energy conversion such as anaerobic digestion has been widely promoted under the subsidies to decouple from fossil fuel dependence system and its inherent two-fold benefits.
Wei En Tan   +5 more
doaj   +1 more source

Improving Anaerobic Digestion Efficiency of Animal Manure Through Ball Milling Pretreatment

open access: yesAgronomy
Anaerobic digestion (AD) can offer a promising pathway for converting animal waste into biogas. This process improves waste management practices while generating renewable energy.
Meicai Xu   +3 more
doaj   +1 more source

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