Development of granular neutral amino acids with calcium hydroxide composition

IF 4.2 2区工程技术 Q2 ENGINEERING, CHEMICAL

Advanced Powder Technology Pub Date : 2024-09-19 DOI:10.1016/j.apt.2024.104645

Min Kyung Kwon , Jun-Woo Kim , In Sung Lee , DongHyun Lee

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Abstract

Amino acid granules for animal feed are typically produced by fermentation, evaporation and fluidized bed granulation with drying processes. Evaporation is one of the most energy-efficient processes to remove water. However, a fluidized bed granulation process with drying is a relatively energy-inefficient process to remove water. Improving solubility of amino acid is good strategy to increase the maximum achievable concentration in the evaporation process. An increase in the maximum achievable concentration can lead to energy saving by increasing the contribution of water removal by evaporation. In this study, a manufacturing method of neutral amino acid granule for feed additive using calcium hydroxide addition was developed. Since solubility of neutral amino acid is increased with increasing amount of calcium hydroxide, adding calcium hydroxide is a useful method to improve energy efficiency of the evaporation process. It was found that adding calcium hydroxide reduced steam consumption levels of tryptophan, threonine, valine and isoleucine by 8.0%, 28.0%, 26.3% and 15.6%, respectively.

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开发含有氢氧化钙成分的颗粒状中性氨基酸

动物饲料用氨基酸颗粒通常通过发酵、蒸发和流化床造粒加干燥工艺生产。蒸发是去除水分最节能的工艺之一。然而，带干燥的流化床造粒工艺是一种能效相对较低的除水工艺。提高氨基酸的溶解度是增加蒸发过程中可达到的最大浓度的好策略。提高最大可达到浓度可以通过增加蒸发脱水的贡献来实现节能。本研究开发了一种使用氢氧化钙添加剂生产饲料添加剂用中性氨基酸颗粒的方法。由于中性氨基酸的溶解度随氢氧化钙用量的增加而增加，因此添加氢氧化钙是提高蒸发过程能效的有效方法。研究发现，添加氢氧化钙可使色氨酸、苏氨酸、缬氨酸和异亮氨酸的蒸汽消耗量分别减少 8.0%、28.0%、26.3% 和 15.6%。

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来源期刊

Advanced Powder Technology 工程技术-工程：化工

CiteScore

9.50

自引率

7.70%

发文量

424

审稿时长

55 days

期刊介绍： The aim of Advanced Powder Technology is to meet the demand for an international journal that integrates all aspects of science and technology research on powder and particulate materials. The journal fulfills this purpose by publishing original research papers, rapid communications, reviews, and translated articles by prominent researchers worldwide. The editorial work of Advanced Powder Technology, which was founded as the International Journal of the Society of Powder Technology, Japan, is now shared by distinguished board members, who operate in a unique framework designed to respond to the increasing global demand for articles on not only powder and particles, but also on various materials produced from them. Advanced Powder Technology covers various areas, but a discussion of powder and particles is required in articles. Topics include: Production of powder and particulate materials in gases and liquids(nanoparticles, fine ceramics, pharmaceuticals, novel functional materials, etc.); Aerosol and colloidal processing; Powder and particle characterization; Dynamics and phenomena; Calculation and simulation (CFD, DEM, Monte Carlo method, population balance, etc.); Measurement and control of powder processes; Particle modification; Comminution; Powder handling and operations (storage, transport, granulation, separation, fluidization, etc.)