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环烷酸盐催化乳化渣油的水热裂解反应

Catalytic Aquathermolysis of Emulsified Residual Oils with Naphthenates.

作者信息

Yu Xiaoyan, Zhou Xiaolong, Jiang Hongbo, Wang Ning, Hu Yichao, Yu Tao

机构信息

International Joint Research Center of Green Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.

出版信息

ACS Omega. 2024 Apr 8;9(15):17681-17690. doi: 10.1021/acsomega.4c02022. eCollection 2024 Apr 16.

DOI:10.1021/acsomega.4c02022
PMID:38645347
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11024972/
Abstract

Catalytic aquathermolysis, a crucial aspect of chemical reutilization, converts the heavy components (such as resins and asphaltenes) of residual oil into lighter components. The use of transition-metal-based catalysts accelerates aquathermolysis reactions. It was observed that iron naphthenate exhibited greater efficiency for residual oils compared to manganese naphthenate and zinc naphthenate. Furthermore, the catalytic aquathermolysis of emulsified residual oil with iron naphthenate demonstrated an outstanding catalytic performance. Under the reaction conditions of 340 °C, 3 MPa, and 2 h, there was a remarkable decrease in viscosity and sulfur content of residual oil by 85.0 and 50.01%, respectively. Additionally, the alterations in the components of residual oils before and after aquathermolysis were examined through a four-component analysis and elemental analysis.

摘要

催化水热裂解是化学再利用的一个关键方面，它能将渣油中的重组分（如树脂和沥青质）转化为轻组分。使用过渡金属基催化剂可加速水热裂解反应。据观察，与环烷酸锰和环烷酸锌相比，环烷酸铁对渣油具有更高的效率。此外，环烷酸铁对乳化渣油的催化水热裂解表现出优异的催化性能。在340℃、3MPa和2h的反应条件下，渣油的粘度和硫含量分别显著降低了85.0%和50.01%。此外，通过四组分分析和元素分析研究了水热裂解前后渣油组分的变化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/183d/11024972/d596faff94a8/ao4c02022_0011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/183d/11024972/5f3a7580512b/ao4c02022_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/183d/11024972/d044c3661156/ao4c02022_0008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/183d/11024972/d596faff94a8/ao4c02022_0011.jpg

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