Investigation of Pressed Solid Biofuel Produced from Multi-Crop Biomass

Rita Petlickaitė, Algirdas Jasinskas, Ramūnas Mieldažys, Kęstutis Romaneckas, Marius Praspaliauskas and Jovita Balandaitė
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Rita Petlickaitė: Laboratory of Heat Equipment Research and Testing, Lithuanian Energy Institute, Breslaujos Str. 3, LT-44403 Kaunas, Lithuania
Algirdas Jasinskas: Department of Agricultural Engineering and Safety, Faculty of Engineering, Agriculture Academy, Vytautas Magnus University, Studentu Str. 15A, Akademija, LT-53362 Kaunas, Lithuania
Ramūnas Mieldažys: Department of Agricultural Engineering and Safety, Faculty of Engineering, Agriculture Academy, Vytautas Magnus University, Studentu Str. 15A, Akademija, LT-53362 Kaunas, Lithuania
Kęstutis Romaneckas: Department of AgroEcosystems, Faculty of Agronomy, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Akademija, LT-53362 Kaunas, Lithuania
Marius Praspaliauskas: Laboratory of Heat Equipment Research and Testing, Lithuanian Energy Institute, Breslaujos Str. 3, LT-44403 Kaunas, Lithuania
Jovita Balandaitė: Department of AgroEcosystems, Faculty of Agronomy, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Akademija, LT-53362 Kaunas, Lithuania

Sustainability, 2022, vol. 14, issue 2, 1-16

Abstract: The paper presents the preparation and use of pressed solid biofuel of multi-crop plants (fibrous hemp ( Cannabis sativa L.), maize ( Zea mays L.) and faba bean ( Vicia faba L.)) as mono, binary and trinomial crops. The results of the investigation show that three main chemical elements (carbon, oxygen and hydrogen) accounted for 93.1 to 94.9% of the biomass pellet content. The moisture content varied from 3.9 to 8.8%, ash content from 4.5 to 6.8% and calorific value from 16.8 to 17.1 MJ·kg −1 . It was found that the density (DM) of all variants of pellets was very similar; the faba bean biomass pellets had the highest density of 1195.8 kg·m −3 DM. The initial ash deformation temperature (DT) of burning biomass pellets was detected, which varied from 976 to 1322 °C. High potassium (K), calcium (Ca) and phosphorus (P) concentrations were found in all types of biomass ash. The quantities of heavy metals in pellet ash were not large and did not exceed the permissible values according to Lithuanian legislation. These chemical properties of multi-crop biomass ash allow them to be used in agriculture for plant fertilization.

Keywords: multi-crop; biomass; solid biofuel; pellet properties; ash utilization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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