Yield and energy efficiency of fallow biomass pelletized using different pelletizing technologies

IF 6.2 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2025-07-11 DOI:10.1016/j.indcrop.2025.121446

Piotr Jarosław Żarczyński, Sławomir Józef Krzebietke, Stanisław Sienkiewicz, Jadwiga Wierzbowska

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引用次数: 0

Abstract

The potential of biomass grown for bioenergy production in temporarily fallowed fields was evaluated in the present study. The fields were sown with fodder galega, smooth brome, or left to natural vegetation. The aim of the study was to determine the dry matter yield (DMY) and fresh matter yield (FMY), higher heating value (HHV), and lower heating value (LHV) of fallow biomass. Energy inputs, energy gain, and the energy efficiency ratio (EER) of different types of fallow biomass were estimated during a 12-year experiment. The energy inputs associated with the production of biomass pellets in a conventional stationary pellet line and the innovative Krone Premos 5000 mobile pelleting press were calculated. The smooth brome monoculture was characterized by the highest energy output (138.5 MJ/ha) in the third year of the study. The EER differed across fallow management strategies, and it ranged from 4.87 to 8.91 for pellets produced in the conventional pellet line and from 8.91 to 13.07 for pellets produced with the Krone Premos 5000 mobile pelleting press. The energy inputs associated with pellet production reached 896–942 MJ/Mg in the mobile pelleting press and 1649–1693 MJ/Mg in the conventional stationary pellet production line.

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不同制粒技术对休闲生物质制粒产量和能源效率的影响

在目前的研究中，评估了在临时休耕地中生长的生物质用于生物能源生产的潜力。田地里播种草料galega，光滑的雀麦，或留给自然植被。研究的目的是确定休耕生物量的干物质产量（DMY）和新鲜物质产量（FMY）、高热值（HHV）和低热值（LHV）。通过12年的试验，估算了不同类型休耕生物量的能量投入、能量增益和能量效率比（EER）。计算了在传统的固定式颗粒生产线和创新的Krone Premos 5000移动颗粒压机中与生物质颗粒生产相关的能量输入。在研究的第3年，光雀麦单作的能量输出最高（138.5 MJ/ha）。不同休耕管理策略的EER值不同，常规制粒生产线生产的颗粒的EER值在4.87 ~ 8.91之间，Krone Premos 5000移动制粒机生产的颗粒的EER值在8.91 ~ 13.07之间。与颗粒生产相关的能量输入在移动颗粒机中达到896-942 MJ/Mg，在常规固定式颗粒生产线中达到1649-1693 MJ/Mg。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.