{"title":"通过化学循环空气分离法氧化脱氢生物乙醇生产乙醛的经济评估","authors":"","doi":"10.1016/j.seta.2024.103967","DOIUrl":null,"url":null,"abstract":"<div><p>The conventional bioethanol oxidative dehydrogenation to acetaldehyde suffers from low energy efficiency and high capital cost due to cryogenic air separation’s high energy consumption and high capital investment. A novel bioethanol oxidative dehydrogenation to acetaldehyde system through chemical looping air separation is established and analyzed in this paper. According to the prediction results, energy efficiency as well as techno-economic performance for the system are studied. It demonstrates that the whole energy efficiency of the system is 55.91 %. Moreover, the acetaldehyde production cost is $877/tonne with bioethanol price $0.43/L. For the acetaldehyde production scale of 10<sup>6</sup> tonnes/year, the payback period is 2.40 years. Compared with other acetaldehyde production technologies, the system is competitive in terms of acetaldehyde production cost. Additionally, sensitivity analysis for influence factors is carried out. The price of bioethanol has the greatest impact on acetaldehyde production cost, while the price of water is the minimum influence factor.</p></div>","PeriodicalId":56019,"journal":{"name":"Sustainable Energy Technologies and Assessments","volume":null,"pages":null},"PeriodicalIF":7.1000,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Economic assessment of acetaldehyde production from oxidative dehydrogenation of bioethanol through chemical looping air separation\",\"authors\":\"\",\"doi\":\"10.1016/j.seta.2024.103967\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The conventional bioethanol oxidative dehydrogenation to acetaldehyde suffers from low energy efficiency and high capital cost due to cryogenic air separation’s high energy consumption and high capital investment. A novel bioethanol oxidative dehydrogenation to acetaldehyde system through chemical looping air separation is established and analyzed in this paper. According to the prediction results, energy efficiency as well as techno-economic performance for the system are studied. It demonstrates that the whole energy efficiency of the system is 55.91 %. Moreover, the acetaldehyde production cost is $877/tonne with bioethanol price $0.43/L. For the acetaldehyde production scale of 10<sup>6</sup> tonnes/year, the payback period is 2.40 years. Compared with other acetaldehyde production technologies, the system is competitive in terms of acetaldehyde production cost. Additionally, sensitivity analysis for influence factors is carried out. The price of bioethanol has the greatest impact on acetaldehyde production cost, while the price of water is the minimum influence factor.</p></div>\",\"PeriodicalId\":56019,\"journal\":{\"name\":\"Sustainable Energy Technologies and Assessments\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":7.1000,\"publicationDate\":\"2024-09-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Sustainable Energy Technologies and Assessments\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2213138824003631\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENERGY & FUELS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sustainable Energy Technologies and Assessments","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2213138824003631","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
Economic assessment of acetaldehyde production from oxidative dehydrogenation of bioethanol through chemical looping air separation
The conventional bioethanol oxidative dehydrogenation to acetaldehyde suffers from low energy efficiency and high capital cost due to cryogenic air separation’s high energy consumption and high capital investment. A novel bioethanol oxidative dehydrogenation to acetaldehyde system through chemical looping air separation is established and analyzed in this paper. According to the prediction results, energy efficiency as well as techno-economic performance for the system are studied. It demonstrates that the whole energy efficiency of the system is 55.91 %. Moreover, the acetaldehyde production cost is $877/tonne with bioethanol price $0.43/L. For the acetaldehyde production scale of 106 tonnes/year, the payback period is 2.40 years. Compared with other acetaldehyde production technologies, the system is competitive in terms of acetaldehyde production cost. Additionally, sensitivity analysis for influence factors is carried out. The price of bioethanol has the greatest impact on acetaldehyde production cost, while the price of water is the minimum influence factor.
期刊介绍：
Encouraging a transition to a sustainable energy future is imperative for our world. Technologies that enable this shift in various sectors like transportation, heating, and power systems are of utmost importance. Sustainable Energy Technologies and Assessments welcomes papers focusing on a range of aspects and levels of technological advancements in energy generation and utilization. The aim is to reduce the negative environmental impact associated with energy production and consumption, spanning from laboratory experiments to real-world applications in the commercial sector.
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