Finding the optimal parameters for the steam explosion process of hay.

Combining biochemical principles and mathematical methods were defined optimal extrusion (steam explosion) process conditions for pelleted hay resulting in maximal cumulative production of biogas (CBGP). Operating experiments were conducted on a continuous modifiable extruder. Variable parameters,...

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Main Author: Josef Maroušek
Format: Article
Language:English
Published: Universidad del Zulia 2013-03-01
Series:Revista Técnica de la Facultad de Ingeniería
Subjects:
Online Access:https://www.produccioncientificaluz.org/index.php/tecnica/article/view/6840
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author Josef Maroušek
author_facet Josef Maroušek
author_sort Josef Maroušek
collection DOAJ
description Combining biochemical principles and mathematical methods were defined optimal extrusion (steam explosion) process conditions for pelleted hay resulting in maximal cumulative production of biogas (CBGP). Operating experiments were conducted on a continuous modifiable extruder. Variable parameters, the reaction time, pressure and dry mass were compared and optimized. An assumption that longer reaction time, lower dry mass and higher operating pressure results in higher yields of biogas were confirmed only in defined pressure range. Critical conditions, from where the yield starts to decrease due to inhibitors formations were also modeled. It was found that the optimal process conditions were in the neighborhood of pressure 1.3 MPa, reaction time 7 minutes and 8% of dry mass resulting in 405 m3 of biogas (52.3% CH4) per ton of dry mass.
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spelling doaj.art-15ccff558b38465eb53379030b3a15892022-12-22T04:18:59ZengUniversidad del ZuliaRevista Técnica de la Facultad de Ingeniería0254-07702477-93772013-03-01352Finding the optimal parameters for the steam explosion process of hay.Josef MarouÅ¡ek0University of South Bohemia-Czech Republic Combining biochemical principles and mathematical methods were defined optimal extrusion (steam explosion) process conditions for pelleted hay resulting in maximal cumulative production of biogas (CBGP). Operating experiments were conducted on a continuous modifiable extruder. Variable parameters, the reaction time, pressure and dry mass were compared and optimized. An assumption that longer reaction time, lower dry mass and higher operating pressure results in higher yields of biogas were confirmed only in defined pressure range. Critical conditions, from where the yield starts to decrease due to inhibitors formations were also modeled. It was found that the optimal process conditions were in the neighborhood of pressure 1.3 MPa, reaction time 7 minutes and 8% of dry mass resulting in 405 m3 of biogas (52.3% CH4) per ton of dry mass. https://www.produccioncientificaluz.org/index.php/tecnica/article/view/6840extrusion dynamicsprocess optimizationbiogas production
spellingShingle Josef Maroušek
Finding the optimal parameters for the steam explosion process of hay.
Revista Técnica de la Facultad de Ingeniería
extrusion dynamics
process optimization
biogas production
title Finding the optimal parameters for the steam explosion process of hay.
title_full Finding the optimal parameters for the steam explosion process of hay.
title_fullStr Finding the optimal parameters for the steam explosion process of hay.
title_full_unstemmed Finding the optimal parameters for the steam explosion process of hay.
title_short Finding the optimal parameters for the steam explosion process of hay.
title_sort finding the optimal parameters for the steam explosion process of hay
topic extrusion dynamics
process optimization
biogas production
url https://www.produccioncientificaluz.org/index.php/tecnica/article/view/6840
work_keys_str_mv AT josefmarouaek findingtheoptimalparametersforthesteamexplosionprocessofhay