scholarly journals Recent Progress on Dry Anaerobic Digestion of Organic Solid Wastes: Achievements and Challenges

2015 ◽  
Vol 19 (5) ◽  
pp. 400-412 ◽  
Author(s):  
Zhongfang Lei ◽  
Zhenya Zhang ◽  
Weiwei Huang ◽  
Wei Cai
Keyword(s):  
Anaerobic Digestion ◽  
Recent Progress ◽  
Solid Wastes ◽  
Organic Solid ◽  
Organic Solid Wastes ◽  
Dry Anaerobic Digestion

scholarly journals Comparative analysis of common full scale reactors for dry anaerobic digestion process

2019 ◽  
Vol 83 ◽  
pp. 01011 ◽  
Author(s):  
Khaled Elsharkawy ◽  
Mohamed Elsamadony ◽  
Hafez Afify
Keyword(s):  
Anaerobic Digestion ◽  
Solid Wastes ◽  
The Other ◽  
Operational Conditions ◽  
Anaerobic Digestion Process ◽  
Digestion Process ◽  
Organic Solid ◽  
The Common ◽  
Organic Solid Wastes ◽  
Dry Anaerobic Digestion

Organic solid wastes are produced with large amount wherever there are human activities. However, improper treated organic wastes made them as sources of diseases. On the other hand, these fractions contain nutrients and energy, so they have also valuable resources. As a result, exploring their potential as an energy source can be accomplish via anaerobic digestion process, in which, organics converted into hydrogen, methane and/or ethanol. Therefore, this manuscript introduces an overview of the common applied types of reactor that can handle these types of wastes in their solid state and recover them in term of biogas, as well as, stabilize the produced digestate to bio-fertilizers by compositing approach. A comparison also listed to demonstrate the optimum operational conditions and expected amount of biogas from each type.

Dry anaerobic digestion of differently sorted organic municipal solid waste: a full-scale experience

2006 ◽  
Vol 53 (8) ◽  
pp. 23-32 ◽  
Author(s):  
D. Bolzonella ◽  
P. Pavan ◽  
S. Mace ◽  
F. Cecchi
Keyword(s):  
Anaerobic Digestion ◽  
Methane Production ◽  
Organic Wastes ◽  
Full Scale ◽  
Solid Wastes ◽  
Municipal Solid Wastes ◽  
Operational Conditions ◽  
Organic Solid ◽  
Green Certificates ◽  
Dry Anaerobic Digestion

This paper presents a comparison of dry anaerobic digestion reactors fed with differently sorted municipal organic solid wastes. One reactor was fed with source sorted organic wastes and a second reactor was fed with mixed organic wastes consisting of grey wastes, mechanically selected municipal solid wastes and sludge. The two reactors utilised the same process (Valorga) and operational conditions at full scale. The results of the study emphasise the influence of the kind of treated material on the process performances, especially in terms of biogas and methane production, thus, energy reclamation. The reactor treating the source sorted organic waste and the reactor treating the mixed organic wastes generated some 200 m3 and 60 m3 of biogas per ton of waste treated, respectively, while the specific methane production was some 0.40 and 0.13 m3CH4/kgTVS, respectively. The mass balance and the final fate of the digested material from the two reactors were also clearly different. As for the costs, these were some 29 € per ton of treated waste (50% for personnel) and 53 €/ton for disposing of the rejected materials. Incomes were some 100 €/ton (on average) and an other 15 €/ton came from green certificates. The initial investment was 16 million Euros.

Comparison of liquid and dewatered digestate as inoculum for anaerobic digestion of organic solid wastes

2019 ◽  
Vol 87 ◽  
pp. 228-236 ◽  
Author(s):  
E. Hosseini Koupaie ◽  
A. Azizi ◽  
A.A. Bazyar Lakeh ◽  
H. Hafez ◽  
E. Elbeshbishy
Keyword(s):  
Anaerobic Digestion ◽  
Solid Wastes ◽  
Organic Solid ◽  
Organic Solid Wastes

scholarly journals Improving the Quantity and Quality of Biogas Production in Tehran Anaerobic Digestion Power Plant by Application of Materials Recirculation Technique

2020 ◽  
Vol 9 (2) ◽  
pp. 167-175
Author(s):  
Reza Naghavi ◽  
Mohammad Ali Abdoli ◽  
Abdolreza Karbasi ◽  
Mehrdad Adl
Keyword(s):  
Anaerobic Digestion ◽  
Power Plant ◽  
Fossil Fuels ◽  
Biogas Production ◽  
Solid Wastes ◽  
High Concentration ◽  
Urban District ◽  
Organic Solid ◽  
Organic Solid Wastes

Tehran anaerobic digestion power plant has been built on the eastern margin of the urban district by the purpose of processing the organic fraction of municipal solid waste. One of the most suitable methods for the treatment of organic matter is the use of anaerobic digestion (AD) process, which in addition to significant reduction of organic solid wastes, will produce valuable energy. Contributing to maintain the environment, improve urban health, saving on fossil fuels and producing rich fertilizer for agricultural use are important advantages of anaerobic digestion. The plant has been set up in 2014 with a nominal acceptance capacity of 300 tons of organic solid wastes per day and the nominal power generation of 2000 kWe. This system has been faced with considerable challenges in terms of quantity and quality of biogas during operation. The high concentration of hydrogen sulfide (H2S) in produced biogas and the lack of appropriate technologies in the plant for biogas refining are critical for the biogas generator engine deployed in the complex. The purpose of this article is to investigate the factors affecting the quality and quantity of Tehran's AD plant biogas using various H2S reduction approaches and selection of appropriate implementing technologies. The results showed that the recirculation of the digester slurry increased the methane content by more than 30% and reduced H2S by more than 98%.©2020. CBIORE-IJRED. All rights reserved

A comprehensive review of anaerobic digestion of organic solid wastes in relation to microbial community and enhancement process

2018 ◽  
Vol 99 (2) ◽  
pp. 507-516 ◽  
Author(s):  
Neng-Xiong Wang ◽  
Xiao-Ying Lu ◽  
Yiu-Fai Tsang ◽  
Yanping Mao ◽  
Chi-Wing Tsang ◽  
...  
Keyword(s):  
Microbial Community ◽  
Anaerobic Digestion ◽  
Solid Wastes ◽  
Comprehensive Review ◽  
Organic Solid ◽  
Organic Solid Wastes
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