Preparation and utilization of biochar from agricultural wastes as ethylene absorber for ‘Gros Michel’ banana ripening

IF 5.6 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2024-10-22 DOI:10.1016/j.indcrop.2024.119860

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引用次数: 0

Abstract

Biochar samples derived from various agricultural wastes including corn cobs, corn straws, rice husks, and rice straws were investigated for potential use as ethylene absorbers to delay ‘Gros Michel’ banana ripening. The biochar samples were prepared using the pyrolysis method at 500 °C with a heating rate of 1 °C/min for 2 h and examined for their morphology, surface area, pore diameter, pore volume, functional groups, CHNS/O composition, elemental composition, and thermal properties. Each type of biochar had different elemental compositions and surface area. The largest surface area of 110.67 m²/g was found in rice husk biochar. The ethylene adsorption efficiency was determined in closed containers and low-density polyethylene (LDPE) bags containing ‘Gros Michel’ bananas treated with different biochar types. The rice husk biochar exhibited ethylene adsorption of 31.14 % in closed containers at 144 h and the low total color difference ΔE value of 22.30. Thus, rice husk biochar showed promise as an ethylene absorber to delay fruit ripening in packaging applications.

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制备和利用农业废弃物生物炭作为乙烯吸收剂促进 "Gros Michel "香蕉成熟

研究了从各种农业废弃物（包括玉米棒、玉米秸秆、稻壳和稻草）中提取的生物炭样品作为乙烯吸收剂延迟 "Gros Michel "香蕉成熟的潜力。生物炭样品采用热解法制备，温度为 500 °C，加热速度为 1 °C/分钟，持续 2 小时，并对其形态、表面积、孔径、孔容积、官能团、CHNS/O 组成、元素组成和热性能进行了检测。每种生物炭都有不同的元素组成和表面积。稻壳生物炭的表面积最大，为 110.67 m²/g。在密闭容器和低密度聚乙烯（LDPE）袋中，用不同类型的生物炭处理 "Gros Michel "香蕉，测定其乙烯吸附效率。144 小时后，稻壳生物炭在密闭容器中的乙烯吸附率为 31.14%，总色差 ΔE 值为 22.30。因此，稻壳生物炭有望作为一种乙烯吸收剂，在包装应用中延缓水果成熟。

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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.