通过气化合成气生产乙烯实现塑料废弃物的化学循环利用

IF 3.8 3区工程技术 Q2 ENGINEERING, CHEMICAL

Industrial & Engineering Chemistry Research Pub Date : 2024-12-16 DOI:10.1021/acs.iecr.4c03441

Matthias Maier, Corinna Schulze-Netzer, Thomas A. Adams, II

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引用次数: 0

摘要

我们研究了通过蒸汽-氧气气化、甲烷化和甲烷氧化耦合的塑料废料制乙烯（PtE）工艺。气化采用随机反应器模型，下游工艺则采用 Aspen Plus 模型。根据所用原料的不同，该工艺的碳效率在 13% 到 23% 之间。我们研究了二氧化碳排放的基本情况以及二氧化碳压缩和运输的情况。前者每公斤乙烯可避免 5.7 kgCO2eq，而后者每公斤乙烯可避免 18.4 kgCO2eq。避免的二氧化碳成本分别为 666 欧元/tCO2eq 和 230 欧元/tCO2eq。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Chemical Recycling of Plastic Waste via Production of Ethylene from Gasification Syngas

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Chemical Recycling of Plastic Waste via Production of Ethylene from Gasification Syngas

We investigated the plastic waste to ethylene (PtE) process through steam-oxygen gasification, methanation, and oxidative coupling of methane. Gasification was modeled using a stochastic reactor model, while the downstream process was modeled using Aspen Plus. The carbon efficiency of the process ranges from 13 to 23%, depending on feedstock used. We investigated a base case scenario with CO₂ venting and a case with CO₂ compression and transport. While 5.7 kgCO_2eq/kg ethylene can be avoided in the former one, the latter one leads to an avoidance of 18.4 kgCO_2eq/kg ethylene. The costs of CO₂ avoided are 666 €/tCO_2eq and 230 €/tCO_2eq, respectively.

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来源期刊

Industrial & Engineering Chemistry Research 工程技术-工程：化工

CiteScore

7.40

自引率

7.10%

发文量

1467

审稿时长

2.8 months

期刊介绍： ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.