Upflow Anaerobic Solid State Reactor
Upflow Anaerobic Solid State Reactor - Related Videos
15:19
Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
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Cited by 4 •
2015
Microbial sulfate reduction is a process of great importance in environmental biotechnology. The success of the sulfidogenic reactors depends among other factors on the microbial composition of the sludge. Here, we present a protocol to develop sulfidogenic sludge from hydrothermal vents sediments in a UASB reactor for reductive dechlorination purposes.
07:34
Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
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Cited by 41 •
2014
A novel Upflow Anaerobic Solid State (UASS) reactor was used for biogas production from fibrous feedstock. Digestate from UASS reactor was hydrothermally carbonized into HTC biochar in a pressurized batch reactor. The integration of the two bioenergy concepts was applied in this study to increase overall bioenergy production.
06:19
An Inexpensive Adaptation of a Commercial Microwave Reactor for Solid Phase Peptide Synthesis
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2024
A simple, inexpensive, and novel apparatus for performing solid phase peptide syntheses in a commercial microwave reactor is presented.
01:27
Anaerobic Digestion of Bioplastics for Biogas Production
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2025
Begin with an anaerobic digester, a sealed, oxygen-free reactor seeded with a synthetic sludge that mimics the settled solids from wastewater.The sludge contains mesophilic anaerobic microbes, a mixed microbial community.These microbes thrive at moderate temperatures and drive the digestion of the sludge’s organic matter.Continuously mix the sludge to sustain the bacterial activity and promote digestion.Later, add bioplastics, which are biodegradable polymers, into the sludge.During incubation,...
11:00
Liquid Phase Reactor: Sucrose Inversion
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2023
Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA Both batch and continuous flow reactors are used in catalytic reactions. Packed beds, which use solid catalysts and a continuous flow, are the most common configuration. In the absence of an extensive recycle stream, such packed bed reactors are typically modeled as "plug flow". The other most common continuous reactor is a stirred tank, which is assumed to be perfectly...
FAQs
Moisture distribution determines how effectively liquid or recycled leachate contacts the largely stationary organic solids. Adequate, even wetting supports microbial access and helps transport soluble compounds through the waste bed, while uneven distribution can limit biological activity in dry areas. Monitoring this condition is therefore important for maintaining consistent stabilization and biogas recovery.
Anaerobic microorganisms first hydrolyze complex organic materials into simpler compounds. Other microbial activity then converts these products through the digestion process, ultimately producing methane and carbon dioxide. Because the reactor operates without oxygen, the balance among these microbial activities is essential; disruption can reduce stabilization and affect the amount of recoverable biogas.
Performance depends on how much organic material enters the reactor, how long material and liquid remain available for treatment, and whether moisture is distributed through the solids. Loading conditions and retention time influence the opportunity for microbial conversion, while balanced microbial activity supports stable operation. These variables must be considered together rather than adjusted in isolation.
Organic waste is placed so that the solids remain largely stationary while liquid or recycled leachate moves upward through the bed. This arrangement provides contact between the liquid phase and biodegradable material without requiring the solids to flow through the system. As treatment proceeds, anaerobic conversion stabilizes the waste and generates biogas for recovery.
The system can be applied to high-solids biodegradable wastes, including agricultural residues and food waste. These materials contain organic matter that anaerobic microbial communities can break down after contact with moisture and recycled leachate. Selecting a compatible waste stream allows the reactor to address organic pollution while also supporting energy recovery through biogas production.
Treatment can biologically stabilize organic waste, reduce organic pollution, and recover energy as biogas. The approach may also decrease sludge-handling demands because stabilization occurs within the treatment system rather than leaving the original waste entirely untreated. For environmental applications, its value lies in combining waste reduction, resource recovery, and management of biodegradable residues.