Pilot-scale hydrogen generation from the hydrolysis of black aluminum dross without any catalyst

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dc.authoridKaya, Abdulaziz/0000-0001-8767-1998
dc.authoridCetin, Ali Emrah/0000-0002-1468-6221
dc.authoridYilmaz, Ibrahim Halil/0000-0001-7840-9162
dc.contributor.authorKale, Mehmet
dc.contributor.authorYilmaz, Ibrahim Halil
dc.contributor.authorKaya, Abdulaziz
dc.contributor.authorCetin, Ali Emrah
dc.contributor.authorSoylemez, Mehmet Sait
dc.date.accessioned2025-01-06T17:44:19Z
dc.date.available2025-01-06T17:44:19Z
dc.date.issued2022
dc.description.abstractThis study presents a sustainable method for the production of hydrogen gas without adding any catalyst from the hydrolysis of black Al dross. A pilot-scale experimental setup consisting of a reactor, a condenser, and control and measurement devices was constructed to perform chemical reactions and physical measurements. The dross used in experiments was not activated by any process and can be found in facilities (Al production plants or die casting factories) with a grain size lower than 400 mu m. The chemical composition revealed by XRF showed that the black dross contained 41.96% Al. Major and minor crystalline phases present in the sample were detected by XRD. A set of experiments was performed to investigate the effects of gravimetric dross to water ratio, pH value, initial water temperature, the pressure of the reaction mixture in time for H-2 synthesis. 120 L of gas were maximally produced after reacting 1 kg of Al dross with 2 kg of hot tap water at 100 degrees C. The H-2 purity of the gas mixture and the calorific value of the mixture were respectively measured by gas chromatography and gas calorimeter as 93.24% and 2375 kcal/m(3). After hydrolysis of the Al dross, XRD, SEM, and EDX analyses revealed the formation of hydrolysis products and their morphology. This showed that the resultant mixture tends to become harmless and can be used for various fields of the industry as a by-product.
dc.description.sponsorshipScientific Research Projects Unit of Gaziantep University [MF.13.13]
dc.description.sponsorshipThis study is financially funded by the Scientific Research Projects Unit of Gaziantep University under Grant no. MF.13.13. The authors also acknowledge the contribution of Dr. Soner Top through the analysis of the quantitative XRD results.
dc.identifier.doi10.1016/j.joei.2021.11.005
dc.identifier.endpage108
dc.identifier.issn1743-9671
dc.identifier.issn1746-0220
dc.identifier.scopus2-s2.0-85118561130
dc.identifier.scopusqualityQ1
dc.identifier.startpage99
dc.identifier.urihttps://doi.org/10.1016/j.joei.2021.11.005
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2993
dc.identifier.volume100
dc.identifier.wosWOS:000718124800004
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofJournal of The Energy Institute
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectSecondary aluminum
dc.subjectBlack dross
dc.subjectHydrolysis
dc.subjectHydrogen generation
dc.subjectResource recovery
dc.titlePilot-scale hydrogen generation from the hydrolysis of black aluminum dross without any catalyst
dc.typeArticle

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