Serpentinitic waste materials from the dimension stone industry: Characterization, possible reuses and critical issues
Serpentinites, ultramafic rocks with a peculiar chemical and mineralogical composition, can be used as dimension stones, but there are no significant re-uses of waste materials deriving from quarrying and processing. This paper presents the example from Valmalenco (central Alps, northern Italy), wit...
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| Veröffentlicht in: | Resources policy 2018-12, Vol.59, p.17-23 |
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| creator | Cavallo, Alessandro |
| description | Serpentinites, ultramafic rocks with a peculiar chemical and mineralogical composition, can be used as dimension stones, but there are no significant re-uses of waste materials deriving from quarrying and processing. This paper presents the example from Valmalenco (central Alps, northern Italy), with a detailed mineralogical, chemical, physical and microstructural characterization of waste materials, ranging from shapeless blocks to residual sludge. The mineralogical composition is characterized by abundant antigorite and olivine, with minor chlorite, clinopyroxene and magnetite, and the chemical composition by high MgO grades. The preliminary results suggest interesting applications in the ceramic industry, especially in high-MgO ceramics and forsterite refractories materials, as well as alternative uses as filler for plastic and rubber materials, up to carbon dioxide sequestration. Special care must be taken to avoid chrysotile asbestos contamination.
•Serpentinitic rock materials have a peculiar mineralogical and chemical composition.•The waste materials are suitable for the ceramic industry.•From filler for plastic and rubber, up to CO2 sequestration.•Traces of asbestos represent a critical issue. |
| doi_str_mv | 10.1016/j.resourpol.2018.08.003 |
| format | Article |
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•Serpentinitic rock materials have a peculiar mineralogical and chemical composition.•The waste materials are suitable for the ceramic industry.•From filler for plastic and rubber, up to CO2 sequestration.•Traces of asbestos represent a critical issue.</description><subject>Asbestos</subject><subject>Carbon dioxide</subject><subject>Carbon sequestration</subject><subject>Ceramics</subject><subject>Ceramics industry</subject><subject>Chemical composition</subject><subject>Chrysotile</subject><subject>Chrysotile asbestos</subject><subject>Dimension stones</subject><subject>Forsterite</subject><subject>Magnesium oxide</subject><subject>Mineralogy</subject><subject>Olivine</subject><subject>Organic chemistry</subject><subject>Quarry</subject><subject>Quarrying</subject><subject>Recycling</subject><subject>Refractories</subject><subject>Rocks</subject><subject>Rubber</subject><subject>Secondary raw materials</subject><subject>Serpentinites</subject><subject>Sludge</subject><subject>Stone</subject><subject>Stone & clay industries</subject><subject>Waste materials</subject><subject>Waste recovery</subject><issn>0301-4207</issn><issn>1873-7641</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>7TQ</sourceid><recordid>eNqFUE1LAzEQDaJgrf4GA17dmmyym9RbKX5BwYN6DtnshGZps2uSVuqvN0vFq_BgDvM-Zh5C15TMKKH1XTcLEPtdGPrNrCRUzkgGYSdoQqVghag5PUUTwggteEnEObqIsSOEVELWE7R_gzCAT8675Az-0jEB3uoEwelNxDb0W5zWgFu3BR9d73FMvQfsfLuLKRzu8XKtgzaj4FunTLjFQx-jazaAA-wiRKx9i00Y_fUGuxh3EC_Rmc3-cPU7p-jj8eF9-VysXp9elotVYZioU1G2kmvbCM0b0VTS2qa2wJiZGzkHkLyqBKc2r0xJSt5QTqVsGtFW1vIKJLApujn6DqH_zLlJdbkqnyNVSes5ZSIrMkscWSbk0wNYNQS31eGgKFFjyapTfyWrsWRFMgjLysVRCfmJvYOgonHgDbQugEmq7d2_Hj9xsY4m</recordid><startdate>201812</startdate><enddate>201812</enddate><creator>Cavallo, Alessandro</creator><general>Elsevier Ltd</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TA</scope><scope>7TQ</scope><scope>8BJ</scope><scope>8FD</scope><scope>DHY</scope><scope>DON</scope><scope>FQK</scope><scope>JBE</scope><scope>JG9</scope></search><sort><creationdate>201812</creationdate><title>Serpentinitic waste materials from the dimension stone industry: Characterization, possible reuses and critical issues</title><author>Cavallo, Alessandro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-2d84afb7a4b7b58ffb6fe33c9c89ee8455741f7b5c2024b14188bb7d5ff45e8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Asbestos</topic><topic>Carbon dioxide</topic><topic>Carbon sequestration</topic><topic>Ceramics</topic><topic>Ceramics industry</topic><topic>Chemical composition</topic><topic>Chrysotile</topic><topic>Chrysotile asbestos</topic><topic>Dimension stones</topic><topic>Forsterite</topic><topic>Magnesium oxide</topic><topic>Mineralogy</topic><topic>Olivine</topic><topic>Organic chemistry</topic><topic>Quarry</topic><topic>Quarrying</topic><topic>Recycling</topic><topic>Refractories</topic><topic>Rocks</topic><topic>Rubber</topic><topic>Secondary raw materials</topic><topic>Serpentinites</topic><topic>Sludge</topic><topic>Stone</topic><topic>Stone & clay industries</topic><topic>Waste materials</topic><topic>Waste recovery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cavallo, Alessandro</creatorcontrib><collection>CrossRef</collection><collection>Materials Business File</collection><collection>PAIS Index</collection><collection>International Bibliography of the Social Sciences (IBSS)</collection><collection>Technology Research Database</collection><collection>PAIS International</collection><collection>PAIS International (Ovid)</collection><collection>International Bibliography of the Social Sciences</collection><collection>International Bibliography of the Social Sciences</collection><collection>Materials Research Database</collection><jtitle>Resources policy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cavallo, Alessandro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Serpentinitic waste materials from the dimension stone industry: Characterization, possible reuses and critical issues</atitle><jtitle>Resources policy</jtitle><date>2018-12</date><risdate>2018</risdate><volume>59</volume><spage>17</spage><epage>23</epage><pages>17-23</pages><issn>0301-4207</issn><eissn>1873-7641</eissn><abstract>Serpentinites, ultramafic rocks with a peculiar chemical and mineralogical composition, can be used as dimension stones, but there are no significant re-uses of waste materials deriving from quarrying and processing. This paper presents the example from Valmalenco (central Alps, northern Italy), with a detailed mineralogical, chemical, physical and microstructural characterization of waste materials, ranging from shapeless blocks to residual sludge. The mineralogical composition is characterized by abundant antigorite and olivine, with minor chlorite, clinopyroxene and magnetite, and the chemical composition by high MgO grades. The preliminary results suggest interesting applications in the ceramic industry, especially in high-MgO ceramics and forsterite refractories materials, as well as alternative uses as filler for plastic and rubber materials, up to carbon dioxide sequestration. Special care must be taken to avoid chrysotile asbestos contamination.
•Serpentinitic rock materials have a peculiar mineralogical and chemical composition.•The waste materials are suitable for the ceramic industry.•From filler for plastic and rubber, up to CO2 sequestration.•Traces of asbestos represent a critical issue.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.resourpol.2018.08.003</doi><tpages>7</tpages></addata></record> |
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| source | PAIS Index; Elsevier ScienceDirect Journals |
| subjects | Asbestos Carbon dioxide Carbon sequestration Ceramics Ceramics industry Chemical composition Chrysotile Chrysotile asbestos Dimension stones Forsterite Magnesium oxide Mineralogy Olivine Organic chemistry Quarry Quarrying Recycling Refractories Rocks Rubber Secondary raw materials Serpentinites Sludge Stone Stone & clay industries Waste materials Waste recovery |
| title | Serpentinitic waste materials from the dimension stone industry: Characterization, possible reuses and critical issues |
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