Utilizing Undissolved Portion (UNP) of Cement Kiln Dust as a Versatile Multicomponent Catalyst for Bioethylene Production from Bioethanol: An Innovative Approach to Address the Energy Crisis.

Mahmoud Nasr, Adel Abdelkader, Safaa El-Nahas, Ahmed I Osman, Amal Abdelhaleem, Hossam AbdelFattah El Nazer, David W Rooney, Samih A Halawy

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Article in ACS omega, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Mahmoud NasrNanocomposite Catalysts Laboratory, Chemistry Department, Faculty of Science at Qena, South Valley University, Qena 83523, Egypt.

Adel AbdelkaderNanocomposite Catalysts Laboratory, Chemistry Department, Faculty of Science at Qena, South Valley University, Qena 83523, Egypt.

Safaa El-NahasNanocomposite Catalysts Laboratory, Chemistry Department, Faculty of Science at Qena, South Valley University, Qena 83523, Egypt.

Ahmed I OsmanNanocomposite Catalysts Laboratory, Chemistry Department, Faculty of Science at Qena, South Valley University, Qena 83523, Egypt.ORCID https://orcid.org/0000-0003-2788-7839

Amal AbdelhaleemEnvironmental Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt.

Hossam AbdelFattah El NazerPhotochemistry Department, National Research Center, Dokki, Giza 12622, Egypt.

David W RooneySchool of Chemistry and Chemical Engineering, Queen's University Belfast, Belfast BT9 5AG, Northern Ireland, U.K.

Samih A HalawyNanocomposite Catalysts Laboratory, Chemistry Department, Faculty of Science at Qena, South Valley University, Qena 83523, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study focuses on upcycling cement kiln dust (CKD) as an industrial waste by utilizing the undissolved portion (UNP) as a multicomponent catalyst for bioethylene production from bioethanol, offering an environmentally sustainable solution. To maximize UNP utilization, CKD was dissolved in nitric acid, followed by calcination at 500 °C for 3 h in an oxygen atmosphere. Various characterization techniques confirmed that UNP comprises five different compounds with nanocrystalline particles exhibiting an average crystal size of 47.53 nm. The UNP catalyst exhibited a promising bioethylene yield (77.1%) and selectivity (92%) at 400 °C, showcasing its effectiveness in converting bioethanol to bioethylene with outstanding properties. This exceptional performance can be attributed to its distinctive structural characteristics, including a high surface area and multiple-strength acidic sites that facilitate the reaction mechanism. Moreover, the UNP catalyst displayed remarkable stability and durability, positioning it as a strong candidate for industrial applications in bioethylene production. This research underscores the importance of waste reduction in the cement industry and offers a sustainable path toward a greener future.

Identifiers

PMID38222655

DOI10.1021/acsomega.3c09043

PMCPMC10785308

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