Associating Physical and Photocatalytic Properties of Recyclable and Reusable Blast Furnace Dust Waste
Blast furnace dust waste (BFDW) proved efficient as a photocatalyst for the decolorization of methylene blue (MB) dye in water. Structural analysis unequivocally identified α-Fe O as the predominant phase, constituting approximately 92%, with a porous surface showcasing unique 10-30 nm agglomerated...
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| Veröffentlicht in: | Materials 2024-02, Vol.17 (4), p.818 |
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| creator | Chaves, Nayane O Lima, Lucas S Monteiro, Michael D S Sobrinho, Raimundo A L Ferreira, Nilson S Ramos, Glenda Q da Fonseca Filho, Henrique D Oliveira, Rosane M P B Matos, Robert S |
| description | Blast furnace dust waste (BFDW) proved efficient as a photocatalyst for the decolorization of methylene blue (MB) dye in water. Structural analysis unequivocally identified α-Fe
O
as the predominant phase, constituting approximately 92%, with a porous surface showcasing unique 10-30 nm agglomerated nanoparticles. Chemical and thermal analyses indicated surface-bound water and carbonate molecules, with the main phase's thermal stability up to 900 °C. Electrical conductivity analysis revealed charge transfer resistance values of 616.4 Ω and electrode resistance of 47.8 Ω. The Mott-Schottky analysis identified α-Fe
O
as an n-type semiconductor with a flat band potential of 0.181 V vs. Ag/AgCl and a donor density of 1.45 × 10
cm
. The 2.2 eV optical bandgap and luminescence stem from α-Fe
O
and weak ferromagnetism arises from structural defects and surface effects. With a 74% photocatalytic efficiency, stable through three photodegradation cycles, BFDW outperforms comparable waste materials in MB degradation mediated by visible light. The elemental trapping experiment exposed hydroxyl radicals (OH•) and superoxide anions (O2-•) as the primary species in the photodegradation process. Consequently, iron oxide-based BFDW emerges as an environmentally friendly alternative for wastewater treatment, underscoring the pivotal role of its unique physical properties in the photocatalytic process. |
| doi_str_mv | 10.3390/ma17040818 |
| format | Article |
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O
as the predominant phase, constituting approximately 92%, with a porous surface showcasing unique 10-30 nm agglomerated nanoparticles. Chemical and thermal analyses indicated surface-bound water and carbonate molecules, with the main phase's thermal stability up to 900 °C. Electrical conductivity analysis revealed charge transfer resistance values of 616.4 Ω and electrode resistance of 47.8 Ω. The Mott-Schottky analysis identified α-Fe
O
as an n-type semiconductor with a flat band potential of 0.181 V vs. Ag/AgCl and a donor density of 1.45 × 10
cm
. The 2.2 eV optical bandgap and luminescence stem from α-Fe
O
and weak ferromagnetism arises from structural defects and surface effects. With a 74% photocatalytic efficiency, stable through three photodegradation cycles, BFDW outperforms comparable waste materials in MB degradation mediated by visible light. The elemental trapping experiment exposed hydroxyl radicals (OH•) and superoxide anions (O2-•) as the primary species in the photodegradation process. Consequently, iron oxide-based BFDW emerges as an environmentally friendly alternative for wastewater treatment, underscoring the pivotal role of its unique physical properties in the photocatalytic process.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma17040818</identifier><identifier>PMID: 38399069</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Charge transfer ; Decoloring ; Dust ; Dyes ; Electrical resistivity ; Electrodes ; Ferric oxide ; Ferromagnetism ; Fourier transforms ; Hydroxyl radicals ; Investigations ; Iron ; Iron oxides ; Methylene blue ; N-type semiconductors ; Photocatalysis ; Photodegradation ; Physical properties ; Raw materials ; Spectrum analysis ; Stability analysis ; Structural analysis ; Thermal stability ; Wastewater treatment ; Water treatment</subject><ispartof>Materials, 2024-02, Vol.17 (4), p.818</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><rights>2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-18a048962ec4fee07c8366cc0c0e7f84f2e8b6a87f497bbce25ca72fc1114c063</citedby><cites>FETCH-LOGICAL-c390t-18a048962ec4fee07c8366cc0c0e7f84f2e8b6a87f497bbce25ca72fc1114c063</cites><orcidid>0000-0002-7643-7597 ; 0000-0002-8421-2558 ; 0000-0001-9811-6391 ; 0000-0002-1219-8646 ; 0000-0002-2726-1863 ; 0000-0002-4775-3005</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38399069$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chaves, Nayane O</creatorcontrib><creatorcontrib>Lima, Lucas S</creatorcontrib><creatorcontrib>Monteiro, Michael D S</creatorcontrib><creatorcontrib>Sobrinho, Raimundo A L</creatorcontrib><creatorcontrib>Ferreira, Nilson S</creatorcontrib><creatorcontrib>Ramos, Glenda Q</creatorcontrib><creatorcontrib>da Fonseca Filho, Henrique D</creatorcontrib><creatorcontrib>Oliveira, Rosane M P B</creatorcontrib><creatorcontrib>Matos, Robert S</creatorcontrib><title>Associating Physical and Photocatalytic Properties of Recyclable and Reusable Blast Furnace Dust Waste</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>Blast furnace dust waste (BFDW) proved efficient as a photocatalyst for the decolorization of methylene blue (MB) dye in water. Structural analysis unequivocally identified α-Fe
O
as the predominant phase, constituting approximately 92%, with a porous surface showcasing unique 10-30 nm agglomerated nanoparticles. Chemical and thermal analyses indicated surface-bound water and carbonate molecules, with the main phase's thermal stability up to 900 °C. Electrical conductivity analysis revealed charge transfer resistance values of 616.4 Ω and electrode resistance of 47.8 Ω. The Mott-Schottky analysis identified α-Fe
O
as an n-type semiconductor with a flat band potential of 0.181 V vs. Ag/AgCl and a donor density of 1.45 × 10
cm
. The 2.2 eV optical bandgap and luminescence stem from α-Fe
O
and weak ferromagnetism arises from structural defects and surface effects. With a 74% photocatalytic efficiency, stable through three photodegradation cycles, BFDW outperforms comparable waste materials in MB degradation mediated by visible light. The elemental trapping experiment exposed hydroxyl radicals (OH•) and superoxide anions (O2-•) as the primary species in the photodegradation process. Consequently, iron oxide-based BFDW emerges as an environmentally friendly alternative for wastewater treatment, underscoring the pivotal role of its unique physical properties in the photocatalytic process.</description><subject>Charge transfer</subject><subject>Decoloring</subject><subject>Dust</subject><subject>Dyes</subject><subject>Electrical resistivity</subject><subject>Electrodes</subject><subject>Ferric oxide</subject><subject>Ferromagnetism</subject><subject>Fourier transforms</subject><subject>Hydroxyl radicals</subject><subject>Investigations</subject><subject>Iron</subject><subject>Iron oxides</subject><subject>Methylene blue</subject><subject>N-type semiconductors</subject><subject>Photocatalysis</subject><subject>Photodegradation</subject><subject>Physical properties</subject><subject>Raw materials</subject><subject>Spectrum analysis</subject><subject>Stability analysis</subject><subject>Structural analysis</subject><subject>Thermal stability</subject><subject>Wastewater treatment</subject><subject>Water treatment</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkV1rFTEQhoMottTe-ANkwRsRTs1Xs8nlsbUqFCxF8XKZnTOpKdnNMclenH9vek79wOQi8w7PO0x4GXsp-JlSjr-bQPRccyvsE3YsnDMr4bR--k99xE5LueftKCWsdM_ZkbLKOW7cMfPrUhIGqGG-625-7EpAiB3MmyZSTQgV4q4G7G5y2lKugUqXfHdLuMMIY6Q9e0tL2Yv3EUrtrpY8A1J3uTTxvXXoBXvmIRY6fXxP2LerD18vPq2uv3z8fLG-XmH7S10JC1xbZySh9kS8R6uMQeTIqfdWe0l2NGB7r10_jkjyHKGXHoUQGrlRJ-zNYe42p58LlTpMoSDFCDOlpQzSKamVOdeuoa__Q-_Tw95xTwmupOlFo84O1B1EGsLsU82A7W5oCphm8qH1173Vgku-N7w9GDCnUjL5YZvDBHk3CD48JDb8TazBrx53WMaJNn_Q3_moX7dlj_I</recordid><startdate>20240208</startdate><enddate>20240208</enddate><creator>Chaves, Nayane O</creator><creator>Lima, Lucas S</creator><creator>Monteiro, Michael D S</creator><creator>Sobrinho, Raimundo A L</creator><creator>Ferreira, Nilson S</creator><creator>Ramos, Glenda Q</creator><creator>da Fonseca Filho, Henrique D</creator><creator>Oliveira, Rosane M P B</creator><creator>Matos, Robert S</creator><general>MDPI AG</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-7643-7597</orcidid><orcidid>https://orcid.org/0000-0002-8421-2558</orcidid><orcidid>https://orcid.org/0000-0001-9811-6391</orcidid><orcidid>https://orcid.org/0000-0002-1219-8646</orcidid><orcidid>https://orcid.org/0000-0002-2726-1863</orcidid><orcidid>https://orcid.org/0000-0002-4775-3005</orcidid></search><sort><creationdate>20240208</creationdate><title>Associating Physical and Photocatalytic Properties of Recyclable and Reusable Blast Furnace Dust Waste</title><author>Chaves, Nayane O ; Lima, Lucas S ; Monteiro, Michael D S ; Sobrinho, Raimundo A L ; Ferreira, Nilson S ; Ramos, Glenda Q ; da Fonseca Filho, Henrique D ; Oliveira, Rosane M P B ; Matos, Robert S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-18a048962ec4fee07c8366cc0c0e7f84f2e8b6a87f497bbce25ca72fc1114c063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Charge transfer</topic><topic>Decoloring</topic><topic>Dust</topic><topic>Dyes</topic><topic>Electrical resistivity</topic><topic>Electrodes</topic><topic>Ferric oxide</topic><topic>Ferromagnetism</topic><topic>Fourier transforms</topic><topic>Hydroxyl radicals</topic><topic>Investigations</topic><topic>Iron</topic><topic>Iron oxides</topic><topic>Methylene blue</topic><topic>N-type semiconductors</topic><topic>Photocatalysis</topic><topic>Photodegradation</topic><topic>Physical properties</topic><topic>Raw materials</topic><topic>Spectrum analysis</topic><topic>Stability analysis</topic><topic>Structural analysis</topic><topic>Thermal stability</topic><topic>Wastewater treatment</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chaves, Nayane O</creatorcontrib><creatorcontrib>Lima, Lucas S</creatorcontrib><creatorcontrib>Monteiro, Michael D S</creatorcontrib><creatorcontrib>Sobrinho, Raimundo A L</creatorcontrib><creatorcontrib>Ferreira, Nilson S</creatorcontrib><creatorcontrib>Ramos, Glenda Q</creatorcontrib><creatorcontrib>da Fonseca Filho, Henrique D</creatorcontrib><creatorcontrib>Oliveira, Rosane M P B</creatorcontrib><creatorcontrib>Matos, Robert S</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chaves, Nayane O</au><au>Lima, Lucas S</au><au>Monteiro, Michael D S</au><au>Sobrinho, Raimundo A L</au><au>Ferreira, Nilson S</au><au>Ramos, Glenda Q</au><au>da Fonseca Filho, Henrique D</au><au>Oliveira, Rosane M P B</au><au>Matos, Robert S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Associating Physical and Photocatalytic Properties of Recyclable and Reusable Blast Furnace Dust Waste</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2024-02-08</date><risdate>2024</risdate><volume>17</volume><issue>4</issue><spage>818</spage><pages>818-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>Blast furnace dust waste (BFDW) proved efficient as a photocatalyst for the decolorization of methylene blue (MB) dye in water. Structural analysis unequivocally identified α-Fe
O
as the predominant phase, constituting approximately 92%, with a porous surface showcasing unique 10-30 nm agglomerated nanoparticles. Chemical and thermal analyses indicated surface-bound water and carbonate molecules, with the main phase's thermal stability up to 900 °C. Electrical conductivity analysis revealed charge transfer resistance values of 616.4 Ω and electrode resistance of 47.8 Ω. The Mott-Schottky analysis identified α-Fe
O
as an n-type semiconductor with a flat band potential of 0.181 V vs. Ag/AgCl and a donor density of 1.45 × 10
cm
. The 2.2 eV optical bandgap and luminescence stem from α-Fe
O
and weak ferromagnetism arises from structural defects and surface effects. With a 74% photocatalytic efficiency, stable through three photodegradation cycles, BFDW outperforms comparable waste materials in MB degradation mediated by visible light. The elemental trapping experiment exposed hydroxyl radicals (OH•) and superoxide anions (O2-•) as the primary species in the photodegradation process. Consequently, iron oxide-based BFDW emerges as an environmentally friendly alternative for wastewater treatment, underscoring the pivotal role of its unique physical properties in the photocatalytic process.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>38399069</pmid><doi>10.3390/ma17040818</doi><orcidid>https://orcid.org/0000-0002-7643-7597</orcidid><orcidid>https://orcid.org/0000-0002-8421-2558</orcidid><orcidid>https://orcid.org/0000-0001-9811-6391</orcidid><orcidid>https://orcid.org/0000-0002-1219-8646</orcidid><orcidid>https://orcid.org/0000-0002-2726-1863</orcidid><orcidid>https://orcid.org/0000-0002-4775-3005</orcidid><oa>free_for_read</oa></addata></record> |
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| source | PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Charge transfer Decoloring Dust Dyes Electrical resistivity Electrodes Ferric oxide Ferromagnetism Fourier transforms Hydroxyl radicals Investigations Iron Iron oxides Methylene blue N-type semiconductors Photocatalysis Photodegradation Physical properties Raw materials Spectrum analysis Stability analysis Structural analysis Thermal stability Wastewater treatment Water treatment |
| title | Associating Physical and Photocatalytic Properties of Recyclable and Reusable Blast Furnace Dust Waste |
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