Research on the Co-processing of Steel Rolling Sludge and Biomass

Research on the Co-processing of Steel Rolling Sludge and Biomass | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Research on the Co-processing of Steel Rolling Sludge and Biomass Lichao Ge, Hongda Song, Longhui Mai, Yang Wang, Qian Li, Yanquan Liu, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8178466/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract This study investigated the co-pyrolysis characteristics of steel rolling oil sludge and peanut vine biomass, as well as the distribution law of their byproducts. Steel rolling oil sludge is an oily hazardous waste with complex components that is difficult to treat, whereas biomass is high in volatile matter and renewable. Thermogravimetric analysis and tube furnace experiments were used to investigate the impact of different mixture ratios, heating rates, and pyrolysis temperatures on the pyrolysis process and products. The results showed that the pyrolysis process could be divided into three stages: the evaporation of water (from room temperature to 130°C), the breakdown of organic components (130–490°C), and the reduction of iron oxides (490–900°C).The addition of peanut vine significantly accelerated the pyrolysis reaction, decreased the activation energy, and boosted the pyrolysis efficiency. Kinetic research revealed that for the mixture samples, the pyrolysis activation energy increased with increasing heating and conversion rates, while the activation energy of pure steel rolling oil sludge decreased with increasing heating rate; in addition, the activation energy reduced with increasing peanut vine content. The analysis of pyrolysis residues showed that the metallization rate and the iron element content increased with the pyrolysis temperature, but the amount of metallic iron did not show a linear relationship with the proportion of steel rolling oil sludge. The proper amount of biomass may help with the efficient recovery of iron resources since iron has a catalytic influence on the pyrolysis of biomass. This work provides a theoretical basis for the co-disposal of biomass and steel rolling oil sludge in order to accomplish sustainable resource exploitation and environmental protection. Steel rolling oil sludge Pyrolysis Co-disposal Biomass Kinetic analysis Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-8178466","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":583199728,"identity":"0e87e47b-b363-4711-b7e6-cac2c14563cf","order_by":0,"name":"Lichao Ge","email":"","orcid":"","institution":"Hohai University","correspondingAuthor":false,"prefix":"","firstName":"Lichao","middleName":"","lastName":"Ge","suffix":""},{"id":583199729,"identity":"74ea717d-5f27-483d-a823-258ad4a68042","order_by":1,"name":"Hongda Song","email":"","orcid":"","institution":"Hohai 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analysis","lastPublishedDoi":"10.21203/rs.3.rs-8178466/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-8178466/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eThis study investigated the co-pyrolysis characteristics of steel rolling oil sludge and peanut vine biomass, as well as the distribution law of their byproducts. Steel rolling oil sludge is an oily hazardous waste with complex components that is difficult to treat, whereas biomass is high in volatile matter and renewable. Thermogravimetric analysis and tube furnace experiments were used to investigate the impact of different mixture ratios, heating rates, and pyrolysis temperatures on the pyrolysis process and products. The results showed that the pyrolysis process could be divided into three stages: the evaporation of water (from room temperature to 130\u0026deg;C), the breakdown of organic components (130\u0026ndash;490\u0026deg;C), and the reduction of iron oxides (490\u0026ndash;900\u0026deg;C).The addition of peanut vine significantly accelerated the pyrolysis reaction, decreased the activation energy, and boosted the pyrolysis efficiency. Kinetic research revealed that for the mixture samples, the pyrolysis activation energy increased with increasing heating and conversion rates, while the activation energy of pure steel rolling oil sludge decreased with increasing heating rate; in addition, the activation energy reduced with increasing peanut vine content. The analysis of pyrolysis residues showed that the metallization rate and the iron element content increased with the pyrolysis temperature, but the amount of metallic iron did not show a linear relationship with the proportion of steel rolling oil sludge. The proper amount of biomass may help with the efficient recovery of iron resources since iron has a catalytic influence on the pyrolysis of biomass. This work provides a theoretical basis for the co-disposal of biomass and steel rolling oil sludge in order to accomplish sustainable resource exploitation and environmental protection.\u003c/p\u003e","manuscriptTitle":"Research on the Co-processing of Steel Rolling Sludge and Biomass","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2026-02-02 16:19:35","doi":"10.21203/rs.3.rs-8178466/v1","editorialEvents":[{"type":"communityComments","content":0}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"c47f36bb-e1bf-4315-8b5a-1b7f6da8439d","owner":[],"postedDate":"February 2nd, 2026","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"posted","subjectAreas":[],"tags":[],"updatedAt":"2026-05-02T13:24:42+00:00","versionOfRecord":[],"versionCreatedAt":"2026-02-02 16:19:35","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v1","identity":"rs-8178466","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-8178466","identity":"rs-8178466","version":["v1"]},"buildId":"XKTyCvWXoU3ODBz1xrDgd","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}