Evaluation of Fly Ash from Co-Combustion of Paper Mill Wastes and Coal as Supplementary Cementitious Materials
The applications of waste-derived fuel from paper mills in industrial boilers benefit the reduction of carbon emissions. However, the co-combustion of waste-derived fuel and coal causes significant changes in the characteristics of the ash and brings about the need to find possible means of the util...
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| Veröffentlicht in: | Materials 2022-12, Vol.15 (24), p.8931 |
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| description | The applications of waste-derived fuel from paper mills in industrial boilers benefit the reduction of carbon emissions. However, the co-combustion of waste-derived fuel and coal causes significant changes in the characteristics of the ash and brings about the need to find possible means of the utilization of the ash produced. In this work fly, ash samples were collected from circulating fluidized bed (CFB) boilers co-combusting paper mill wastes with coal and analyzed in detail. The chemical, physical, and thermal characteristics of two different co-combustion fly ashes (CCFA) were investigated using X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetry (TG), and scanning electron microscope (SEM). The chemical composition of CCFA is largely affected by the fuel source type. Thermal analyses of CCFA show that the type of desulfurization system used by the boiler influences the form of sulfate present in the fly ash. The presence of calcium sulfite hemihydrate can cause a high loss in the ignition of CCFA. By comparing the physical requirements specified in the ASTM standard for coal fly ash to be used in concrete, the CCFA produced from paper mill wastes was found to show good potential as supplementary cementitious materials. |
| doi_str_mv | 10.3390/ma15248931 |
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However, the co-combustion of waste-derived fuel and coal causes significant changes in the characteristics of the ash and brings about the need to find possible means of the utilization of the ash produced. In this work fly, ash samples were collected from circulating fluidized bed (CFB) boilers co-combusting paper mill wastes with coal and analyzed in detail. The chemical, physical, and thermal characteristics of two different co-combustion fly ashes (CCFA) were investigated using X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetry (TG), and scanning electron microscope (SEM). The chemical composition of CCFA is largely affected by the fuel source type. Thermal analyses of CCFA show that the type of desulfurization system used by the boiler influences the form of sulfate present in the fly ash. The presence of calcium sulfite hemihydrate can cause a high loss in the ignition of CCFA. By comparing the physical requirements specified in the ASTM standard for coal fly ash to be used in concrete, the CCFA produced from paper mill wastes was found to show good potential as supplementary cementitious materials.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15248931</identifier><identifier>PMID: 36556737</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Air pollution ; Air quality management ; Aluminum ; Boilers ; Carbon ; Cement ; Chemical composition ; Coal ; Combustion ; Decomposition ; Density ; Diffraction ; Emissions ; Equipment and supplies ; Flue gas ; Fluidized beds ; Fly ash ; Fuels ; Heating ; Industrial wastes ; Outdoor air quality ; Paper mills ; Particle size ; Pulp & paper mills ; Recycling ; Sludge ; Sulfates ; Sulfites ; Thermogravimetry ; Wastes ; Water treatment ; X-ray fluorescence ; X-ray spectroscopy ; X-rays</subject><ispartof>Materials, 2022-12, Vol.15 (24), p.8931</ispartof><rights>COPYRIGHT 2022 MDPI AG</rights><rights>2022 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/). 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However, the co-combustion of waste-derived fuel and coal causes significant changes in the characteristics of the ash and brings about the need to find possible means of the utilization of the ash produced. In this work fly, ash samples were collected from circulating fluidized bed (CFB) boilers co-combusting paper mill wastes with coal and analyzed in detail. The chemical, physical, and thermal characteristics of two different co-combustion fly ashes (CCFA) were investigated using X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetry (TG), and scanning electron microscope (SEM). The chemical composition of CCFA is largely affected by the fuel source type. Thermal analyses of CCFA show that the type of desulfurization system used by the boiler influences the form of sulfate present in the fly ash. The presence of calcium sulfite hemihydrate can cause a high loss in the ignition of CCFA. By comparing the physical requirements specified in the ASTM standard for coal fly ash to be used in concrete, the CCFA produced from paper mill wastes was found to show good potential as supplementary cementitious materials.</description><subject>Air pollution</subject><subject>Air quality management</subject><subject>Aluminum</subject><subject>Boilers</subject><subject>Carbon</subject><subject>Cement</subject><subject>Chemical composition</subject><subject>Coal</subject><subject>Combustion</subject><subject>Decomposition</subject><subject>Density</subject><subject>Diffraction</subject><subject>Emissions</subject><subject>Equipment and supplies</subject><subject>Flue gas</subject><subject>Fluidized beds</subject><subject>Fly ash</subject><subject>Fuels</subject><subject>Heating</subject><subject>Industrial wastes</subject><subject>Outdoor air quality</subject><subject>Paper mills</subject><subject>Particle size</subject><subject>Pulp & paper mills</subject><subject>Recycling</subject><subject>Sludge</subject><subject>Sulfates</subject><subject>Sulfites</subject><subject>Thermogravimetry</subject><subject>Wastes</subject><subject>Water treatment</subject><subject>X-ray fluorescence</subject><subject>X-ray spectroscopy</subject><subject>X-rays</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkV1LHTEQhkOpqFhv_AEl4E0R1m6-Npsb4bD4BUoLrXgZZnezGskm22RX8N-b41Frm1zMkHnmzbwMQgekPGZMld9HIILyWjHyCe0SpaqCKM4_f8h30H5KD2U-jJGaqm20wyohKsnkLvKnj-AWmG3wOAz4zD3hVbrHQwwjbkLRhLFd0lv1J0wm4mvrHL6FNJuEwfcZA4ch4V_LNDkzGj9DfMLNS2Zz65LwNcwmWnDpC9oacjD7r3EP3Zyd_m4uiqsf55fN6qroOBdzUUnoeg4Do1R2TAg1CNZDTUGKnmSiV23NWwmUtq2CVjBVEVUxUmam7mvC9tDJRnda2tH0XR4lgtNTtGMeTgew-t-Kt_f6LjxqJWtKSZkFvr0KxPBnMWnWo02dcQ68yY40laImpVSCZ_TwP_QhLNFne2uqkrJUlcjU8Ya6A2e09UPI_3b59ma0XfBmsPl9JbmQnEq1lj3aNHQxpBTN8D49KfV69frv6jP89aPfd_Rt0ewZfNGoyA</recordid><startdate>20221214</startdate><enddate>20221214</enddate><creator>Wu, Ming-Fu</creator><creator>Huang, Wei-Hsing</creator><general>MDPI AG</general><general>MDPI</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><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-5070-1102</orcidid><orcidid>https://orcid.org/0000-0002-8211-9608</orcidid></search><sort><creationdate>20221214</creationdate><title>Evaluation of Fly Ash from Co-Combustion of Paper Mill Wastes and Coal as Supplementary Cementitious Materials</title><author>Wu, Ming-Fu ; Huang, Wei-Hsing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-67acd4af3227c3559f53da82a75d1445d9b84b7a22bb9ab5396196310a828d813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Air pollution</topic><topic>Air quality management</topic><topic>Aluminum</topic><topic>Boilers</topic><topic>Carbon</topic><topic>Cement</topic><topic>Chemical composition</topic><topic>Coal</topic><topic>Combustion</topic><topic>Decomposition</topic><topic>Density</topic><topic>Diffraction</topic><topic>Emissions</topic><topic>Equipment and supplies</topic><topic>Flue gas</topic><topic>Fluidized beds</topic><topic>Fly ash</topic><topic>Fuels</topic><topic>Heating</topic><topic>Industrial wastes</topic><topic>Outdoor air quality</topic><topic>Paper mills</topic><topic>Particle size</topic><topic>Pulp & paper mills</topic><topic>Recycling</topic><topic>Sludge</topic><topic>Sulfates</topic><topic>Sulfites</topic><topic>Thermogravimetry</topic><topic>Wastes</topic><topic>Water treatment</topic><topic>X-ray fluorescence</topic><topic>X-ray spectroscopy</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Ming-Fu</creatorcontrib><creatorcontrib>Huang, Wei-Hsing</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><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Ming-Fu</au><au>Huang, Wei-Hsing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Fly Ash from Co-Combustion of Paper Mill Wastes and Coal as Supplementary Cementitious Materials</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2022-12-14</date><risdate>2022</risdate><volume>15</volume><issue>24</issue><spage>8931</spage><pages>8931-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>The applications of waste-derived fuel from paper mills in industrial boilers benefit the reduction of carbon emissions. However, the co-combustion of waste-derived fuel and coal causes significant changes in the characteristics of the ash and brings about the need to find possible means of the utilization of the ash produced. In this work fly, ash samples were collected from circulating fluidized bed (CFB) boilers co-combusting paper mill wastes with coal and analyzed in detail. The chemical, physical, and thermal characteristics of two different co-combustion fly ashes (CCFA) were investigated using X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetry (TG), and scanning electron microscope (SEM). The chemical composition of CCFA is largely affected by the fuel source type. Thermal analyses of CCFA show that the type of desulfurization system used by the boiler influences the form of sulfate present in the fly ash. The presence of calcium sulfite hemihydrate can cause a high loss in the ignition of CCFA. By comparing the physical requirements specified in the ASTM standard for coal fly ash to be used in concrete, the CCFA produced from paper mill wastes was found to show good potential as supplementary cementitious materials.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>36556737</pmid><doi>10.3390/ma15248931</doi><orcidid>https://orcid.org/0000-0001-5070-1102</orcidid><orcidid>https://orcid.org/0000-0002-8211-9608</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Air pollution Air quality management Aluminum Boilers Carbon Cement Chemical composition Coal Combustion Decomposition Density Diffraction Emissions Equipment and supplies Flue gas Fluidized beds Fly ash Fuels Heating Industrial wastes Outdoor air quality Paper mills Particle size Pulp & paper mills Recycling Sludge Sulfates Sulfites Thermogravimetry Wastes Water treatment X-ray fluorescence X-ray spectroscopy X-rays |
| title | Evaluation of Fly Ash from Co-Combustion of Paper Mill Wastes and Coal as Supplementary Cementitious Materials |
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