Production and Characterization of Liquid Smoke from Coconut Shell Waste as an Effort to Reduce the Impact on Environmental Pollution

Robert Silaban, J. Simanjuntak, B. Tambunan, Agus Nopiar Putra
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Abstract

This research examined the influence of pyrolysis temperature on a large-size feedstock of coconut shell waste for producing biochar and liquid smoke using slow pyrolysis. The temperature used was varied between 250 °C to 450 °C at a constant heating rate of 10 °C/min and at a holding time of about 120 minutes. Gravimetry, spectro, and high-performance liquid chromatography (HPLC) methods are used to identify the liquid smoke for density, phenol, and acetic acid content respectively. The results indicated that increased pyrolysis temperatures caused a reduced biochar yield. However, the liquid smoke yield was found to increase with the temperature. The obtained liquid smoke has a density of 1.054 g/mL and has a content of phenol of about 4717.91 mg GAE/100 mg, and acetic acid of 11.36%. Results inferred that the liquid smoke can be generated from a large size of coconut shell through pyrolysis at medium temperature.
利用椰壳废料生产液态烟雾并确定其特征,努力减少对环境污染的影响
这项研究考察了热解温度对大型椰壳废料的影响,椰壳废料可利用慢速热解生产生物炭和液态烟雾。所用温度在 250 °C 至 450 °C 之间变化,加热速度恒定为 10 °C/分钟,保温时间约为 120 分钟。采用重量测量法、光谱法和高效液相色谱法分别对液体烟雾的密度、苯酚和乙酸含量进行鉴定。结果表明,热解温度升高会导致生物炭产量降低。然而,液体烟雾的产量却随着温度的升高而增加。获得的液态烟密度为 1.054 克/毫升,苯酚含量约为 4717.91 毫克 GAE/100 毫克,乙酸含量为 11.36%。结果推断,在中温条件下热解大尺寸椰子壳可产生液态烟雾。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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