Energy-efficient optimization design of bio-butanol fermentation broth purification process

IF 3.8 3区工程技术 Q3 ENERGY & FUELS

Chemical Engineering and Processing - Process Intensification Pub Date : 2024-10-15 DOI:10.1016/j.cep.2024.110023

Wenkai Yang , Xiuhui Huang , Yi Jin , Zeqiu Li , Ying Tian

{"title":"Energy-efficient optimization design of bio-butanol fermentation broth purification process","authors":"Wenkai Yang , Xiuhui Huang , Yi Jin , Zeqiu Li , Ying Tian","doi":"10.1016/j.cep.2024.110023","DOIUrl":null,"url":null,"abstract":"<div><div>To address the downstream processing challenges of the IBE (isopropanol-butanol-ethanol) system and obtain biobutanol products with a mass fraction of 0.9999, as well as obtain a mass fraction of 0.99975 for the IE (isopropanol-Ethanol) mixture product as a gasoline additive, this study proposes a four-column distillation process termed \"Dehydration-Butanol-Extractive Four Column Distillation\" (DBE-4CD). With the heat load as the optimization target, the DBE-4CD process was optimized to determine the optimal operating parameters. Based on the optimized process and considering the energy-saving potential of the dividing wall column, an “Azeotropic Dividing Wall-Extractive Three Column Distillation” (ADE-3CD) process was subsequently proposed to further enhance energy efficiency and reduce consumption. Compared to both conventional literature process and the DBE-4CD process, the total load of the ADE-3CD process decreased to 7433.5 kW, representing reductions of 20.35% and 10.11%, respectively. Additionally, the mass recovery rates of butanol and the IE mixture reached 99.90% and 99.64%, respectively, exceeding those of the conventional literature process, which were 99.11% and 99.18%.</div></div>","PeriodicalId":9929,"journal":{"name":"Chemical Engineering and Processing - Process Intensification","volume":null,"pages":null},"PeriodicalIF":3.8000,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Engineering and Processing - Process Intensification","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0255270124003611","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENERGY & FUELS","Score":null,"Total":0}

引用次数: 0

Abstract

To address the downstream processing challenges of the IBE (isopropanol-butanol-ethanol) system and obtain biobutanol products with a mass fraction of 0.9999, as well as obtain a mass fraction of 0.99975 for the IE (isopropanol-Ethanol) mixture product as a gasoline additive, this study proposes a four-column distillation process termed "Dehydration-Butanol-Extractive Four Column Distillation" (DBE-4CD). With the heat load as the optimization target, the DBE-4CD process was optimized to determine the optimal operating parameters. Based on the optimized process and considering the energy-saving potential of the dividing wall column, an “Azeotropic Dividing Wall-Extractive Three Column Distillation” (ADE-3CD) process was subsequently proposed to further enhance energy efficiency and reduce consumption. Compared to both conventional literature process and the DBE-4CD process, the total load of the ADE-3CD process decreased to 7433.5 kW, representing reductions of 20.35% and 10.11%, respectively. Additionally, the mass recovery rates of butanol and the IE mixture reached 99.90% and 99.64%, respectively, exceeding those of the conventional literature process, which were 99.11% and 99.18%.

查看原文本刊更多论文

生物丁醇发酵液净化工艺的节能优化设计

为解决 IBE（异丙醇-丁醇-乙醇）系统的下游处理难题，获得质量分数为 0.9999 的生物丁醇产品，以及质量分数为 0.99975 的 IE（异丙醇-乙醇）混合物产品作为汽油添加剂，本研究提出了一种名为 "脱水-丁醇-萃取四柱蒸馏"（DBE-4CD）的四柱蒸馏工艺。以热负荷为优化目标，对 DBE-4CD 工艺进行了优化，以确定最佳操作参数。在优化工艺的基础上，考虑到分馏塔的节能潜力，随后提出了 "共沸分馏塔-萃取三塔蒸馏"（ADE-3CD）工艺，以进一步提高能效和降低消耗。与传统文献工艺和 DBE-4CD 工艺相比，ADE-3CD 工艺的总负荷降至 7433.5 千瓦，分别降低了 20.35% 和 10.11%。此外，丁醇和 IE 混合物的质量回收率分别达到 99.90% 和 99.64%，超过了传统文献工艺的 99.11% 和 99.18%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Chemical Engineering and Processing - Process Intensification 工程技术-工程：化工

CiteScore

7.80

自引率

9.30%

发文量

408

审稿时长

49 days

期刊介绍： Chemical Engineering and Processing: Process Intensification is intended for practicing researchers in industry and academia, working in the field of Process Engineering and related to the subject of Process Intensification.Articles published in the Journal demonstrate how novel discoveries, developments and theories in the field of Process Engineering and in particular Process Intensification may be used for analysis and design of innovative equipment and processing methods with substantially improved sustainability, efficiency and environmental performance.