Catalytic reforming of biomass pyrolysis gas over Ni catalysts: Alumina, spent fluid catalytic cracking catalyst and char as supports

IF 4.7 2区化学 Q2 CHEMISTRY, PHYSICAL

Applied Catalysis A: General Pub Date : 2025-02-05 DOI:10.1016/j.apcata.2024.120074

Ching Wei Low , Andrei Veksha , Rupendra Aryal , Wei Ping Chan , Grzegorz Lisak

{"title":"Catalytic reforming of biomass pyrolysis gas over Ni catalysts: Alumina, spent fluid catalytic cracking catalyst and char as supports","authors":"Ching Wei Low , Andrei Veksha , Rupendra Aryal , Wei Ping Chan , Grzegorz Lisak","doi":"10.1016/j.apcata.2024.120074","DOIUrl":null,"url":null,"abstract":"<div><div>The potential replaceability of a Ni catalyst supported on commercial α-Al2O3 (Ni/Al2O3) by Ni on biomass-derived char (Ni/Char), and Ni on spent fluid catalytic cracking catalyst (Ni/FCC) for steam reforming of biomass pyrolysis gas was investigated (14 h at 850°C, steam/carbon ratio = 5). The catalysts reformed 60–80 % of C2-C5 hydrocarbons, producing 2.7–4.1 mg min−1 of H2. The reforming activity of Ni/Al2O3 and Ni/FCC was higher compared to Ni/Char, indicating the beneficial role of metal oxide supports. The use of Al2O3 and FCC resulted in a lower thermo-oxidative stability of coke formed on Ni/Al2O3 and Ni/FCC compared to Ni/Char. Furthermore, the deposited Ni showed higher stability towards oxidation by steam into NiO in case of Al2O3 and FCC compared to char. According to reforming activity, H2 production rate, coking, and Ni oxidation of the catalysts, FCC has better prospects as an alternative support in a reforming catalyst than char.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"691 ","pages":"Article 120074"},"PeriodicalIF":4.7000,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Catalysis A: General","FirstCategoryId":"1","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0926860X24005192","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}

引用次数: 0

Abstract

The potential replaceability of a Ni catalyst supported on commercial α-Al₂O₃ (Ni/Al₂O₃) by Ni on biomass-derived char (Ni/Char), and Ni on spent fluid catalytic cracking catalyst (Ni/FCC) for steam reforming of biomass pyrolysis gas was investigated (14 h at 850°C, steam/carbon ratio = 5). The catalysts reformed 60–80 % of C₂-C₅ hydrocarbons, producing 2.7–4.1 mg min⁻¹ of H₂. The reforming activity of Ni/Al₂O₃ and Ni/FCC was higher compared to Ni/Char, indicating the beneficial role of metal oxide supports. The use of Al₂O₃ and FCC resulted in a lower thermo-oxidative stability of coke formed on Ni/Al₂O₃ and Ni/FCC compared to Ni/Char. Furthermore, the deposited Ni showed higher stability towards oxidation by steam into NiO in case of Al₂O₃ and FCC compared to char. According to reforming activity, H₂ production rate, coking, and Ni oxidation of the catalysts, FCC has better prospects as an alternative support in a reforming catalyst than char.

查看原文本刊更多论文

求助全文

约1分钟内获得全文求助全文

来源期刊

Applied Catalysis A: General 化学-环境科学

CiteScore

9.00

自引率

5.50%

发文量

415

审稿时长

24 days

期刊介绍： Applied Catalysis A: General publishes original papers on all aspects of catalysis of basic and practical interest to chemical scientists in both industrial and academic fields, with an emphasis onnew understanding of catalysts and catalytic reactions, new catalytic materials, new techniques, and new processes, especially those that have potential practical implications. Papers that report results of a thorough study or optimization of systems or processes that are well understood, widely studied, or minor variations of known ones are discouraged. Authors should include statements in a separate section "Justification for Publication" of how the manuscript fits the scope of the journal in the cover letter to the editors. Submissions without such justification will be rejected without review.