Biogas Production Essay

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Contents
Literature Review: 3
Anaerobic digestion: 3
Definition: 3
Biogas Production: 4
Microbiology and Biochemistry: 4
Methanogenesis inhibition: 5
Operational Conditions: 5
Pre-Treatment of the Inoculum: 7
Waste Streams Substances: 7
Chemical Additions: 8
VFA production 8
Acetate 9
Propionate 9
Butyrate 9
Chain elongation 10
The Carboxylate platform: 10
Digesters: 11
Continuous Stirred Tank Reactor (CSTR): 11
Substrates: 13
Molasses 13
Thin Stillage 13
Materials and Methods: 14
Characterization: 14
TSS/VSS: 14
VFA Extraction: 15
Total COD, COD Titration (old Method) 15
Soluble COD, Nanocolor spectrophotometer: 16
Gas Production, Compact GC: 16
BMP Test: 16
Hypothesis: 17
Objectives 17
Inoculum 17
Substrates 17
Loading 18
Phosphate buffer 18
Procedure 18
Material required 19
Analysis 19
Continuous Stirred Tank Reactors (CSTR): 20
The Reactors: 20
Inoculum: 21
Substrates: 21
Plan of the Experiment: 22
Sampling: 22
Upflow Anaerobic Bed (UAB) Reactors: 22
Inoculum: 22
Substrates: 22
Plan of the Experiment 22
Sampling: 23
Calculations 23
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Those intermediates are then converted into hydrogen gas or acetate through means of acetogenisis, and with the final methanogenisis phase, converted to methane to be used as biogas, with a 60 to 70% methane availability in the gas, making it useful for energy production (Angenent et al., 2004).. When considering resource recovery and renewable energy production to reach a sustainable management of organic waste, anaerobic digestion plays an essential role towards reaching that goal (Kapdi et al., 2005).. Anaerobic digestion is a useful wastewater treatment method as it has economic value in addition to its environmental waste treating potential (Appels et al.,

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