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首页> 外文期刊>Theoretical foundations of chemical engineering >Bioethanol Production from Saccharomyces cerevisiae through Conventional and Membrane Batch Fermentation: Experimental and Modeling Studies
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Bioethanol Production from Saccharomyces cerevisiae through Conventional and Membrane Batch Fermentation: Experimental and Modeling Studies

机译：通过常规和膜批量发酵从酿酒酵母中产生生物乙醇：实验和建模研究

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摘要

Kinetics for bioethanol production from glucose using Saccharomyces cerevisiae (PTCC 24860) was experimentally studied in a batch membrane bioreactor and a conventional bioreactor using a pervaporation process. For pervaporation, a dense hydrophobic polydimethylsiloxane membrane was used. The batch membrane bioreactor resulted in increase of cell density, improved productivity and yield. A generic model was developed which can give a unique description for production of bioethanol within both batch membrane bioreactor and conventional bioreactor. Coupled describing equations of the model were solved by means of genetic algorithm approach. The logistic model considered for expression of growth kinetics and kinetic parameters calculated through the genetic algorithm. The results demonstrated that this generic model is capable to describe reasonably the behavior of both the conventional bioreactor and the batch membrane bioreactor with the highest correlation coefficient (0.979 and 0.987, respectively).
机译：使用普氏膜生物反应器和使用普通渗透流程的常规生物反应器通过葡萄糖（PTCC 24860）从葡萄糖产生的生物乙醇生产动力学。对于渗透散，使用致密的疏水性聚二甲基硅氧烷膜。批膜生物反应器导致细胞密度提高，提高生产率和产量。开发了一种通用模型，其可以提供用于在批膜生物反应器和常规生物反应器中产生生物乙醇的独特描述。通过遗传算法方法解决了描述模型的等式。考虑通过遗传算法计算的生长动力学和动力学参数的逻辑模型。结果表明，该通用模型能够合理地描述常规生物反应器和批膜生物反应器的性能，具有最高的相关系数（分别为0.979和0.987）。

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