Overview of technological development challenges of diesel particulate filters adapting to future emission regulations

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2025-01-15 DOI:10.1016/j.cej.2025.159982

Zhongqiang Bao , Hao Chen , Limin Geng , Donghui Qi , Han Wu , Xuegong Yan , Zhenhua Ji , Peng Zhang , Fengyu Sun , Wenbo Zhang

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Abstract

In order to address air pollution and global climate change, countries around the world have established regulations to limit pollutant emissions. Therefore, aftertreatment technologies, such as diesel particulate filters (DPFs), must be employed to filter Particulate matter from the exhaust gases and meet the emission limits set by regulations. This paper reviews the composition of diesel particulate matter, the principles and structure of DPFs, and the recent changes in emission regulations. It also examines the technological evolution of DPF systems in response to stricter standards. Furthermore, it explores cutting-edge advancements in filtration technologies, including the application of new materials and strategies for improving filtration efficiency. In addition, the paper provides a comprehensive review of the latest research on regeneration technologies, particularly those aimed at improving regeneration efficiency and reducing energy consumption during the regeneration process. The paper highlights and compares the advantages and disadvantages of various DPF regeneration methods and the pollutant emissions during the regeneration process. Additionally, this review discusses the research hotspots for DPF under the new regulatory framework and explores the future directions of DPF development based on current research. This review provides valuable insights for promoting DPF technology to meet future emission regulations and contributes to achieving near-zero emissions for internal combustion engines.

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来源期刊

Chemical Engineering Journal 工程技术-工程：化工

CiteScore

21.70

自引率

9.30%

发文量

6781

审稿时长

2.4 months

期刊介绍： The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.