Influence of Dissolved Solids Composition on the Impurities Sedimentation of Alkalinized Sugarcane Juice

IF 2 3区 农林科学 Q2 AGRONOMY
Jonathan Serrano, Jesús Luis Orozco, Osney Pérez, Ariel García, Luisbel González
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Abstract

In this research, a series of experiments were performed to evaluate the effect of the dissolved solids (brix) composition of the alkalized juice on the impurities sedimentation in the raw sugar manufacturing process. For this purpose, discontinuous sedimentation tests were carried out in graduated cylinders with industrial juices prepared at different brix. The results showed that sludge compaction and turbidity removal decreased by 5% and settling rate by 30% if the juice brix varied from 13 to 15°Bx. A mathematical regression model was used to correlate the settling rate with the juice brix with excellent goodness-of-fit. This mathematical model showed that the dependence of the settling rate on the juice brix was non-linear. The settling rate was most sensitive when the juice brix varied between 10 and 14°Bx, which means that small changes in brix in this range have a large effect on the clarification performance. The results provided a better understanding of this influence and constitute valuable experimental evidence as references for a better operation and operational control of this process.

Abstract Image

Abstract Image

溶解固形物组成对碱化甘蔗汁杂质沉降的影响
在本研究中,通过一系列的实验来评价碱化汁中溶解固体(糖度)组成对原糖生产过程中杂质沉降的影响。为此,用不同白度的工业果汁在分度圆筒中进行了不连续沉降试验。结果表明,在13 ~ 15°Bx范围内,污泥压实度和浊度去除率降低5%,沉降率降低30%。用数学回归模型对沉降率与果汁糖度的关系进行了分析,拟合优度较好。该数学模型表明,沉降速率与果汁糖度的关系是非线性的。当果汁的白度在10 ~ 14°Bx范围内变化时,沉淀率最敏感,这意味着在这个范围内的小白度变化对澄清性能的影响很大。研究结果为更好地理解这一影响提供了有价值的实验依据,为该工艺的更好操作和操作控制提供了参考。
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来源期刊
Sugar Tech
Sugar Tech AGRONOMY-
CiteScore
3.90
自引率
21.10%
发文量
145
期刊介绍: The journal Sugar Tech is planned with every aim and objectives to provide a high-profile and updated research publications, comments and reviews on the most innovative, original and rigorous development in agriculture technologies for better crop improvement and production of sugar crops (sugarcane, sugar beet, sweet sorghum, Stevia, palm sugar, etc), sugar processing, bioethanol production, bioenergy, value addition and by-products. Inter-disciplinary studies of fundamental problems on the subjects are also given high priority. Thus, in addition to its full length and short papers on original research, the journal also covers regular feature articles, reviews, comments, scientific correspondence, etc.
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