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首页> 外文期刊>Journal of Advanced Research >Experimental investigation of bioethanol liquid phase dehydration using natural clinoptilolite
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Experimental investigation of bioethanol liquid phase dehydration using natural clinoptilolite

机译：天然斜发沸石生物乙醇液相脱水实验研究

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An experimental study of bioethanol adsorption on natural Iranian clinoptilolite was carried out. Dynamic breakthrough curves were used to investigate the best adsorption conditions in bioethanol liquid phase. A laboratory setup was designed and fabricated for this purpose. In order to find the best operating conditions, the effect of liquid pressure, temperature and flow rate on breakthrough curves and consequently, maximum ethanol uptake by adsorbent were studied. The effects of different variables on final bioethanol concentration were investigated using Response Surface Methodology (RSM). The results showed that by working at optimum condition, feed with 96% (v/v) initial ethanol concentration could be purified up to 99.9% (v/v). In addition, the process was modeled using Box-Behnken model and optimum operational conditions to reach 99.9% for final ethanol concentration were found equal to 10.7^oC, 4.9bar and 8mL/min for liquid temperature, pressure and flow rate, respectively. Therefore, the selected natural Iranian clinoptilolite was found to be a promising adsorbent material for bioethanol dehydration process.
机译：进行了天然乙醇斜发沸石吸附生物乙醇的实验研究。动态突破曲线用于研究生物乙醇液相中的最佳吸附条件。为此目的设计并制造了一个实验室装置。为了找到最佳的操作条件，研究了液体压力，温度和流速对穿透曲线的影响，并因此研究了吸附剂对乙醇的最大吸收。使用响应表面方法（RSM）研究了不同变量对最终生物乙醇浓度的影响。结果表明，通过在最佳条件下工作，初始乙醇浓度为96％（v / v）的饲料可以纯化至99.9％（v / v）。另外，使用Box-Behnken模型对工艺进行建模，最终液体乙醇浓度达到99.9％的最佳操作条件分别为液体温度，压力和流速分别等于10.7℃，4.9bar和8mL / min。因此，发现所选的天然伊朗斜发沸石是用于生物乙醇脱水过程的有前途的吸附材料。

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