Mathematical modelling of the anaerobic digestion process: Application of dynamic mass-energy balance

1986 ◽  
Vol 31 (1) ◽  
pp. 56-68 ◽  
Author(s):  
I. Havlík ◽  
J. Votruba ◽  
M. Sobotka
Keyword(s):  
Anaerobic Digestion ◽  
Energy Balance ◽  
Mathematical Modelling ◽  
Mass Energy ◽  
Anaerobic Digestion Process ◽  
Digestion Process ◽  
Dynamic Mass

Energy balance of a two-phase anaerobic digestion process for energy crops

2010 ◽  
Vol 10 (6) ◽  
pp. 515-519 ◽  
Author(s):  
Simon Zielonka ◽  
Andreas Lemmer ◽  
Hans Oechsner ◽  
Thomas Jungbluth
Keyword(s):  
Anaerobic Digestion ◽  
Energy Balance ◽  
Energy Crops ◽  
Two Phase ◽  
Anaerobic Digestion Process ◽  
Digestion Process

Mathematical Modelling of the Anaerobic Digestion Process: Regulatory Mechanisms for the Formation of Short-Chain Volatile Acids from Glucose

1983 ◽  
Vol 15 (8-9) ◽  
pp. 209-232 ◽  
Author(s):  
F E Mosey
Keyword(s):  
Anaerobic Digestion ◽  
Mathematical Modelling ◽  
Redox Potential ◽  
Regulatory Mechanisms ◽  
Volatile Acid ◽  
Anaerobic Digestion Process ◽  
Digestion Process ◽  
Mathematical Expressions ◽  
Regulation Of Metabolism ◽  
Methane Bacteria

A model of the anaerobic digestion process is presented which attempts to explain the complex patterns of volatile acid production in the anaerobic digestion process. The hydrogen-utilising methane bacteria are identified as the controlling organisms for the redox potential of the process. Mathematical expressions for the regulation of metabolism by hydrogen are derived from the known redox potential of the NAD/NADH couple.

Effect of a Starch-Rich Industrial Wastewater on the Acid-Phase Anaerobic Digestion Process

2005 ◽  
Vol 77 (4) ◽  
pp. 366-371 ◽  
Author(s):  
Panagiotis Elefsiniotis ◽  
David G Wareham ◽  
Marcus O Smith
Keyword(s):  
Anaerobic Digestion ◽  
Industrial Wastewater ◽  
Anaerobic Digestion Process ◽  
Digestion Process

A Mathematical Model for the Anaerobic Digestion Process Applied to a Mixture of Night Soil and Septic Tank Sludge

1986 ◽  
Vol 18 (7-8) ◽  
pp. 239-248 ◽  
Author(s):  
Sung Ryong Ha ◽  
Dwang Ho Lee ◽  
Sang Eun Lee
Keyword(s):  
Mathematical Model ◽  
Anaerobic Digestion ◽  
Biomass Concentration ◽  
Gas Production ◽  
Septic Tank ◽  
Volatile Acid ◽  
Hydraulic Residence Time ◽  
Anaerobic Digestion Process ◽  
Digestion Process ◽  
Proposed Model

Laboratory scale experiments were conducted to develop a mathematical model for the anaerobic digestion of a mixture of night soil and septic tank sludge. The optimum mixing ratio by volume between night soil and septic tank sludge was found to be 7:3. Due to the high solids content in the influent waste, mixed-liquor volatile suspended solids (MLVSS) was not considered to be a proper parameter for biomass concentration, therefore, the active biomass concentration was estimated based on deoxyribonucleic acid (DNA) concentration in the reactor. The weight ratio between acidogenic bacteria and methanogenic bacteria in the mixed culture of a well-operated anaerobic digester was approximately 3:2. The proposed model indicates that the amount of volatile acid produced and the gas production rate can be expressed as a function of hydraulic residence time (HRT). The kinetic constants of the two phases of the anaerobic digestion process were determined, and a computer was used to simulate results using the proposed model for the various operating parameters, such as BOD5 and volatile acid concentrations in effluent, biomass concentrations and gas production rates. These were consistent with the experimental data.

scholarly journals Linearization in the Large of the Anaerobic Digestion Process Using a Reduced-Order Koopman Operator

2020 ◽  
Vol 53 (2) ◽  
pp. 16840-16845
Author(s):  
Camilo Garcia-Tenorio ◽  
Mihaela Sbarciog ◽  
Eduardo Mojica-Nava ◽  
Alain Vande Wouwer
Keyword(s):  
Anaerobic Digestion ◽  
Koopman Operator ◽  
Reduced Order ◽  
Anaerobic Digestion Process ◽  
Digestion Process

Enhancing anaerobic digestion process with addition of conductive materials

Chemosphere ◽  
2021 ◽  
pp. 130449
Author(s):  
Yiwei Liu ◽  
Xiang Li ◽  
Shaohua Wu ◽  
Zhao Tan ◽  
Chunping Yang
Keyword(s):  
Anaerobic Digestion ◽  
Anaerobic Digestion Process ◽  
Conductive Materials ◽  
Digestion Process

Low temperature thermo-chemical pretreatment of dairy waste activated sludge for anaerobic digestion process

2012 ◽  
Vol 103 (1) ◽  
pp. 415-424 ◽  
Author(s):  
R. Uma Rani ◽  
S. Adish Kumar ◽  
S. Kaliappan ◽  
Ick-Tae Yeom ◽  
J. Rajesh Banu
Keyword(s):  
Anaerobic Digestion ◽  
Low Temperature ◽  
Activated Sludge ◽  
Waste Activated Sludge ◽  
Chemical Pretreatment ◽  
Anaerobic Digestion Process ◽  
Digestion Process ◽  
Dairy Waste
Sign in / Sign up

Export Citation Format

Share Document