Abstract
During the biomass densification can be recognized various technological variables and also material parameters which significantly influences the final solid biofuels (pellets, briquettes) quality. In this paper, we will present the research findings concerning relationships between technological and material variables during densification of cocoa husks. Cocoa husks, as an unused raw feedstock after chocolate production, is a typical product of food factory. The main goal of presented experimental research is to determine the effect of compression pressure and material particle size on final biofuels quality, and thus investigate the possibilities for densification of cocoa husks. Experimental research described in this paper was realized by single-axis densification, which was represented by experimental pressing stand. The effect of mentioned investigated variables on the final pellets density was determined. Mutual interactions of these variables on final pellets quality are showing the importance of mentioned variables during the densification process. Impact of raw material particle size on final biofuels quality was also proven by experimental research on semi-production pelleting plant. Research findings dealing with pelleting and briquetting possibilities are included.
Highlights
Densification of biomass is a mass- and energy recovery process that uses low bulk densities for raw materials
The quality of biofuels depends on the characteristics of the raw material, which includes its biomass type, moisture content, and particle size
They illustrate the interrelationship between different variables. These experimental results can be applied to choosing densification machine dimensions. They provide a complete overview of the behavior and interactions of variables during the densification of cocoa husks
Summary
Densification of biomass is a mass- and energy recovery process that uses low bulk densities for raw materials. Quality management of the manufacturing process, including operating conditions, technological variables and pelletizer type, as well as the binding agent, will affect the quality of the final product Kracík et al (2016), Arce et al (2013). In order to cause problems in combustion systems, low-quality pellets may have undesirable effects such as fouling, corrosion or slugging. They can produce large amounts of particulate and gaseous matter (PM) emissions Fernandes and Costa (2012), Garcia Maraver et al (2014), Arce et al (2013). Some agricultural residues, where the energy potential is not. proper, can be very used for livestock husbandry purposes
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
