Productivity and Characterization of Biomass Obtained from Pruning of Walnut Orchards in México

Walnut tree (Carya illinoensis (Wangenh.) K. Koch) is a plant species showing ecological, social, and economic importance in México. The objective was to determine biomass productivity and to characterize the raw material and biomass briquettes obtained from walnut thinning pruning. The variables ev...

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Bibliographic Details
Published in:Energies (Basel) 2023-03, Vol.16 (5), p.2243
Main Authors: Sierra-Zurita, Donaji, Santana-Espinoza, Saúl, Rosales-Serna, Rigoberto, Ríos-Saucedo, Julio César, Carrillo-Parra, Artemio
Format: Article
Language:English
Subjects:
Acceptable noise levels
Agricultural production
Biodiesel fuels
bioenergy
Biofuels
Biomass
Briquets
By-products
Calorific value
Chemical properties
Crop residues
Cultivars
Economic importance
efficiency
International standards
Laboratories
Laboratory tests
Moisture content
Orchards
Plant species
Plantations
Pollinators
Production processes
Productivity
Pruning
Quality standards
Raw materials
residue use
Statistical analysis
sustainability
Thinning
Trees
Variance analysis
Walnut
Water content
Wood
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Summary:Walnut tree (Carya illinoensis (Wangenh.) K. Koch) is a plant species showing ecological, social, and economic importance in México. The objective was to determine biomass productivity and to characterize the raw material and biomass briquettes obtained from walnut thinning pruning. The variables evaluated were tree total height (TH), fresh biomass (FB) and dry biomass (DB) per hectare (kg ha−1). Briquettes were made by using the biomass obtained in both orchards. Laboratory tests for original biomass included moisture content (MC), ash content (AC), volatile matter (VM) and fixed carbon (FC), as well as high heating value (HHV). Briquette studies also included diameter (D), weight (W), length (L), volume (V), density (Ds), and HHV. The data were analyzed by using descriptive statistics and analysis of variance (ANOVA) under a completely randomized design with factorial arrangement. Thinning pruning in walnut orchards provides 12 kg tree−1 (998 kg ha−1) of dry biomass, with acceptable levels of AC ≤ 5%, FC (75 to 76%), VM (18.7 to 19.7%) and HHV (16.2 to 16.7 MJ kg−1). The briquette international quality standards were fulfilled: MC≤ 10%, AC ≤ 5% and HHV > 18 MJ kg−1. The integrated use of walnut residues reduces the management problems registered during nut production and the sustainable options to generate bioenergy will be expanded.
ISSN:1996-1073
1996-1073
DOI:10.3390/en16052243