利用啤酒厂废水污泥和废谷物生产复合压块燃料。

IF 3 Q3 MATERIALS SCIENCE, BIOMATERIALS International Journal of Biomaterials Pub Date : 2024-09-21 eCollection Date: 2024-01-01 DOI:10.1155/2024/1710628
Bontu Teshome, Berhanu Assefa, Kenatu Angassa
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引用次数: 0

摘要

生物质废物能源回收是从废物中回收能源并将其用于可再生能源的重要方法。酿造副产品(如酿造废谷物(BSG)和酿造废水污泥(BWWS))的大量存在及其高碳浓度赋予了这些废物能源潜力。本研究利用 20% 的糖蜜作为粘合剂,以最大限度地提高压块的高热值,并试图检验用 BSG 和 BWWS 制成的混合压块的质量。为了制作出最大热量为 19.94 兆焦/千克的复合煤球,选择了理想的条件,包括 350°C 的温度、60 分钟的生产周期和 75% 的 BSG 混合比例。通过观察混合碳化压块与混合非碳化压块在 100 巴压力下致密化的热值(21.13 MJ/kg),可以与锯末压块进行比较,后者的热值为 22.88 MJ/kg。R 2 的值为 0.9607,表明实验值和预测值之间的热值相关性占总验证值的 96.07%。研究结果表明,在实验条件下,二次模型拟合数据的效率更高。根据 ISO 17225-6 关于分级非木质颗粒的燃料质量等级和规格,研究得出结论,使用 BSG 和 BWWS 作为替代能源符合这些要求。
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Production of Composite Briquette Fuel from Brewery Wastewater Sludge and Spent Grains.

Biomass waste energy recovery is a significant method for recycling energy from waste and capturing it for use in renewable energy sources. The abundance of brewing byproducts, such as brewery spent grain (BSG) and brewery wastewater sludge (BWWS), as well as their high carbon concentrations gives these wastes energy potential. With 20% molasses utilized as a binding agent to maximize the high caloric value of the briquette, this study sought to examine the quality of mixed briquettes made from BSG and BWWS. In order to make composite briquettes with a maximum caloric content of 19.94 MJ/kg, the ideal conditions were chosen, which included a temperature of 350°C, a production period of 60 min, and a 75% BSG mixing ratio. It can be compared to sawdust briquettes, which have a calorific value of 22.88 MJ/kg, by looking at the calorific value of densified with pressure 100 bar for mixed carbonized briquettes vs mixed noncarbonized briquettes (21.13 MJ/kg). The value of R 2 was 0.9607 and indicated that 96.07% of the total validation in the calorific value correlation between experimental and predicted values. The finding of the study showed that the efficiency of the quadratic model in fitting the data would be higher under the conditions of the experiment. Based on ISO 17225-6 fuel quality classes and specifications for graded nonwoody pellets, the study concluded that using BSG and BWWS as alternative energy sources meets those requirements.

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来源期刊
International Journal of Biomaterials
International Journal of Biomaterials MATERIALS SCIENCE, BIOMATERIALS-
CiteScore
4.30
自引率
3.20%
发文量
50
审稿时长
21 weeks
期刊最新文献
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