将牲畜血液大规模转化为氨基酸液体肥料和干蛋白饲料:案例研究

Processes Pub Date : 2024-06-08 DOI:10.3390/pr12061183
Yong-Woo Jeon, Mi-Jin Jeon
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引用次数: 0

摘要

牲畜血液通常被认为是屠宰业的副产品,但由于其蛋白质含量高,有可能成为环保和农业产业的宝贵资源。本研究报告了开发一种能够同时将每天 5 吨牲畜血液加工成高纯度氨基酸液体肥料和干蛋白饲料的连续工艺所涉及的机制。研究人员制作了大型加工装置,用于超声波预处理和蛋白质增溶、酶降解溶解蛋白质以进行氨基酸转化、使用膜压滤机进行固液分离以生产高纯度氨基酸液体肥料,以及微波干燥固体成分以生产干蛋白饲料。主要加工单元被整合成一个连续、高效的系统。最终的氨基酸液体肥料和干蛋白饲料分别含有大于 20% 的氨基酸和大约 78% 的蛋白质。根据年加工 3000 吨牲畜血的能力,对综合系统进行了经济可行性分析,得出的年利润总额为 1740 万欧元(5812 欧元/吨)。这项研究提出了一种高效且有利可图的方法,可将屠宰场产生的废物重新用于农业和饲料生产。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Large-Scale Conversion of Livestock Blood into Amino Acid Liquid Fertilizer and Dry Protein Feedstuff: A Case Study
Livestock blood, typically considered a waste byproduct of the slaughter industry, has the potential to be a valuable resource in the environmental and agricultural industries owing to its high protein content. This study reports the mechanisms involved in developing a continuous process capable of processing 5 tons/day of livestock blood into high purity amino acid liquid fertilizer and dried protein feedstuff simultaneously. Large-scale processing units were fabricated for the ultrasonic pretreatment and solubilization of proteins, enzymatic degradation of dissolved proteins for amino acid conversion, solid-liquid separation using a membrane filter press to produce high purity amino acid liquid fertilizer, and microwave drying of the solid component to produce dry protein feedstuff. The main processing units were integrated into a continuous, efficient system. The final amino acid liquid fertilizer and dry protein feedstuff contained >20% amino acids and approximately 78% protein, respectively. An economic feasibility analysis of the integrated system based on an annual processing capacity of 3000 tons of livestock blood yielded a total annual profit of 17.4 million euros (5812 euros/ton). This study presents an efficient and profitable approach to repurposing the waste generated by slaughterhouses toward agriculture and feed production.
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