Synthesis of a Plant-based Dust Suppressant and Testing on Coal from Moatize, Mozambique

IF 1.6 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
V. Campos, L. C. Morais, Isaías Mutombo Mafavisse
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引用次数: 0

Abstract

The dust suppressant was synthesized using Pinus elliottii resin as raw material for the new plant-based formulation. The dust suppressant formulation was prepared by solu bilizing rosin in a ternary solution containing calcium chloride, ultrapure water, and ethanol in a molar ratio of 1:2:8. After centrifugation the supernatant was collected, 20 mL of 2 % γ-polyglutamic acid dissolved in an aqueous ethanol solution was added, and the mixture was stirred for 2 hours. The dust suppressant formulation included Pinus extract and γ-PGA acid, resulting in a plant-based dust suppressant. The performance of the new formulation in reducing PM 10 was significantly superior (82.7 %) to that of water. This suppressant is suitable for spraying onto coal ore piles and hopper cars carrying coal ore. The wettability of the product was analyzed by the Walker test, which con-firmed its adhesiveness to coal dust.
一种植物基抑尘剂的合成及其在莫桑比克Moatize煤上的试验
以湿地松树脂为原料合成了新型植物性抑尘剂。通过将松香溶解在含有氯化钙、超纯水和乙醇的三元溶液中(摩尔比为1:2:8)来制备抑尘剂配方。离心后收集上清液,加入20mL溶解在乙醇水溶液中的2%γ-聚谷氨酸,并将混合物搅拌2小时。抑尘剂配方包括松树提取物和γ-PGA酸,制成植物性抑尘剂。新配方在降低PM10方面的性能显著优于水(82.7%)。该抑尘剂适用于喷撒在运煤的煤渣堆和漏斗车上。通过Walker试验对产品的润湿性进行了分析,证实了其对煤尘的粘附性。
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来源期刊
Chemical and Biochemical Engineering Quarterly
Chemical and Biochemical Engineering Quarterly 工程技术-工程:化工
CiteScore
2.70
自引率
6.70%
发文量
23
审稿时长
>12 weeks
期刊介绍: The journal provides an international forum for presentation of original papers, reviews and discussions on the latest developments in chemical and biochemical engineering. The scope of the journal is wide and no limitation except relevance to chemical and biochemical engineering is required. The criteria for the acceptance of papers are originality, quality of work and clarity of style. All papers are subject to reviewing by at least two international experts (blind peer review). The language of the journal is English. Final versions of the manuscripts are subject to metric (SI units and IUPAC recommendations) and English language reviewing. Editor and Editorial board make the final decision about acceptance of a manuscript. Page charges are excluded.
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