石华瓦科木屑活性炭(薇甘菊)及其在板栗油脱色中的应用

IF 0.1 Q4 BIOLOGY
M. Pereyra, P. Rodriguez, Jorge Santiago Gárate Quispe, Liset Rodríguez Achata
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引用次数: 0

摘要

活性炭是一种良好的吸附剂,因此,本研究以紫花花鸦的残木屑为原料,通过物理活化(水蒸气)的方法获得了该产品。并对活性炭在巴西坚果植物油精制过程中的应用进行了评价。结果表明,活化45分钟的活性炭具有最大的表面积(430,24 m2/g),能够吸附3333 mg甲基蓝,并且具有更多的活化位点。PH值在9,85-9,30之间波动,表明其基本性质及其与碳官能团的关系,存在醇基和芳香族基团的羟基连接。经过45分钟的激活,我们发现了更多的微孔。考虑到这些最佳特性,采用活性炭对巴西坚果油进行精制脱色。巴西坚果油中所含的分子对颜色的吸附过程大约需要20分钟才能澄清14.13%的巴西坚果油。结果表明,从石花花椰树木屑中提取的活性炭可以提供具有重要结构和吸附性能的材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Carbón activado de residuos maderables de shihuahuaco (Dipteryx micrantha), y su aplicación en decoloración de aceite de castaña (Bertholletia excelsa)
Activated carbon is characterized as a good adsorbent, for this reason, this investigation obtained the product via physical activation (water vapor) using residual wood chips of (Dipteryx micrantha) shihuahuaco. We than evaluated the application of the activated carbon in the process of refining vegetable oil extracted from the brazil nut (Bertholletia excelsa). The results show that the carbon activated for 45 minutes has the greatest surface area of (430,24 m2/g), capable of adsorbing 3333 mg of methyl blue as well as having a greater quantity of activated sites available. The PH values oscillate between 9,85-9,30 which indicated a basic nature and its relations with the functional groups of carbon, with presence of links OH from alcohol group and aromatic groups. With 45-minute activation we found a greater number of micropores. Considering these optimal characteristics, the activated carbon was used to refine and discolor the brazil nut oil. The process of adsorption of molecules contained in the brazil nut oil responsible for the color can take approximately 20 minutes to clarify 14,13 % of brazil nut oil. The results suggest that activated carbon obtained from wood chips of shihuahuaco can provide material with important textural and adsorbent properties.
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