Synthesis of precipitated calcium carbonate with the addition of aloe vera extract under different reaction temperatures

E. Sari, R. Desmiarti, S. Arief, Zulhadjri, M. Rosadi, Nofri Naldi, Hani Anggraini Hutagaol, E. Kurniawan
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引用次数: 0

Abstract

The synthesis of precipitated calcium carbonate (PCC) using plant extracts as additives has been developed to modify the morphology, particle size, chemical purity, and stability of PCC to be used for a variety of potential applications. In this study, aloe vera ( Aloe barbadensis Miller ) was used as an additive for the synthesis of PCC. The synthesis of PCC was carried out using a tubular column reactor under the temperatures of 30, 50 and 100℃ and was performed without and with aloe vera extract concentrations of 3, 5, 8 and 10 vol%. Recycled carbon dioxide (CO 2 ) with a flow rate of 1 L/min was used which was obtained from the calcination process. The purity and morphology of synthesized PCC were analyzed using X-ray fluorescence and scanning electron microscope, respectively. The results demonstrated that the increase in the aloe vera concen tration from 3 to 10 vol% produced the aragonite crystals at 100℃. The agglomerated cluster was observed with a rhombohedral shape with 3 and 5 vol% of aloe vera extract under the temperature of 30℃. The obtained PCC yield was 91, 72 and 93% at 30, 50 and 100℃, respectively with 10 vol% of aloe vera extract.
在不同反应温度下加入芦荟提取物合成沉淀碳酸钙
以植物提取物为添加剂合成沉淀碳酸钙(PCC),可以改变PCC的形态、粒度、化学纯度和稳定性,具有多种潜在的应用前景。本研究以芦荟(aloe barbadensis Miller)为添加剂合成PCC。在30、50和100℃的条件下,在不含芦荟提取物和芦荟提取物浓度为3、5、8和10 vol%的条件下,采用管状塔式反应器进行PCC的合成。采用煅烧过程中获得的再生二氧化碳(co2),流量为1l /min。用x射线荧光显微镜和扫描电镜对合成的PCC进行了纯度分析和形貌分析。结果表明,当芦荟浓度从3%增加到10%时,在100℃下产生文石晶体。在30℃的温度下,芦荟提取物含量分别为3和5 vol%,观察到凝集团簇呈菱形。当芦荟提取物含量为10 vol%时,在30、50和100℃条件下PCC的产率分别为91%、72%和93%。
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来源期刊
International Journal of Applied Science and Engineering
International Journal of Applied Science and Engineering Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
2.90
自引率
0.00%
发文量
22
期刊介绍: IJASE is a journal which publishes original articles on research and development in the fields of applied science and engineering. Topics of interest include, but are not limited to: - Applied mathematics - Biochemical engineering - Chemical engineering - Civil engineering - Computer engineering and software - Electrical/electronic engineering - Environmental engineering - Industrial engineering and ergonomics - Mechanical engineering.
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