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Bioethylene and Biopropylene Production from Waste Fat and Rapeseed Oil via Catalytic Hydrodeoxygenation and Hydrocracking Followed by Pyrolysis
Chemical Engineering & Technology ( IF 2.1 ) Pub Date : 2022-08-30 , DOI: 10.1002/ceat.202200256
Martin Babor 1 , Zdeněk Tišler 1 , Jaroslav Kocík 1 , Jan Hubáček 1 , Miloslav Bačiak 2 , José Miguel Hidalgo Herrador 1
Affiliation  

The production of bioethylene and biopropylene is a promising method for reducing the environmental impact of the plastic industry. Although their production from bioethanol is currently the most studied method, in this study, favorable alternative biofeedstocks were used: rapeseed oil and waste rendering fat. This study focuses on complex feedstock-to-product processes that are usable in established industrial units. The first step is catalytic hydrodeoxygenation and hydrocracking. The hydrodeoxygenation conditions were fine-tuned to induce hydrocracking, and three catalysts, namely, NiW/SiO2-Al2O3, NiW/phonolite, and WV/TiO2, were tested. The final step was microscale pyrolysis, which was applied to evaluate the product yields. The best yields for both feedstocks were obtained with the NiW/SiO2-Al2O3 catalyst at 425 °C.

中文翻译:

废油脂和菜籽油催化加氢脱氧和加氢裂化后热解生产生物乙烯和生物丙烯

生物乙烯和生物丙烯的生产是减少塑料工业对环境影响的有前途的方法。尽管目前用生物乙醇生产它们是研究最多的方法,但在本研究中,使用了有利的替代生物原料:菜籽油和废物提炼脂肪。本研究侧重于可用于已建立工业单位的复杂原料到产品的过程。第一步是催化加氢脱氧和加氢裂化。微调加氢脱氧条件以诱导加氢裂化,并使用三种催化剂,即NiW/SiO 2 -Al 2 O 3、NiW/音石和WV/TiO 2, 进行了测试。最后一步是微型热解,用于评估产品收率。使用 NiW/SiO 2 -Al 2 O 3催化剂在 425 °C 下获得了两种原料的最佳产率。
更新日期:2022-08-30
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