Manufacture of wear-resistant cast iron and copper-bearing antibacterial stainless steel from molten copper slag via vortex smelting reduction
A novel method of preparing wear-resistant cast iron and copper-bearing antibacterial stainless steel by moderate dilution of molten copper slag and vortex smelting reduction is proposed in this paper. The reduction behaviors of different components during vortex smelting reduction after medium dilu...
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| Veröffentlicht in: | Journal of cleaner production 2022-11, Vol.375, p.134202, Article 134202 |
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| creator | Hao, Jun Dou, Zhi-he Zhang, Ting-an Jiang, Bao-cheng Wang, Kun Wan, Xing-yuan |
| description | A novel method of preparing wear-resistant cast iron and copper-bearing antibacterial stainless steel by moderate dilution of molten copper slag and vortex smelting reduction is proposed in this paper. The reduction behaviors of different components during vortex smelting reduction after medium dilution of molten copper slag are systematically investigated. Thermodynamic analysis results show that lime (CaO) can promote the decomposition of the iron peridotite phase and strengthen the reduction of copper and iron in slag. Under the conditions of 1450 °C, slag alkalinity of 1.0, 0.13 wt% carbon addition, vortex stirring speed of 250 rpm, and sedimentation stirring speed of 63 rpm, the metallization rate of copper and iron is 91.76%. In addition, 97.90 wt% zinc and 14.79 wt% lead in copper slag enter flue gas to be recovered, and 94.11 wt% silver and 88.66 wt% gold are reduced into metal. HBW555Cr13 wear-resistant cast iron and 20Cr13Cu3 copper-bearing martensitic antibacterial stainless steel, which meet the requirements of Chinese national standards, are successfully prepared by this process, realizing the separation, enrichment, and recovery of valuable components in the copper slag. The Brinell hardness of wear-resistant cast iron is 575, and the antibacterial rate of copper-containing antibacterial stainless steel against Escherichia coli is more than 99%. The reduction slag can be used as the raw material for preparing cement clinker after water quenching. There is no secondary waste residue, which realizes the molten copper slag's large-scale, slag-free, and high-value utilization.
[Display omitted]
•A method of preparing HBW555Cr13 wear-resistant cast iron is proposed.•A method of preparing 20Cr13Cu3 antibacterial stainless steel is proposed.•The reduction behavior of different components is systematically studied.•The abrasion and antimicrobial resistance of the product are characterized. |
| doi_str_mv | 10.1016/j.jclepro.2022.134202 |
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[Display omitted]
•A method of preparing HBW555Cr13 wear-resistant cast iron is proposed.•A method of preparing 20Cr13Cu3 antibacterial stainless steel is proposed.•The reduction behavior of different components is systematically studied.•The abrasion and antimicrobial resistance of the product are characterized.</description><identifier>ISSN: 0959-6526</identifier><identifier>EISSN: 1879-1786</identifier><identifier>DOI: 10.1016/j.jclepro.2022.134202</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>alkalinity ; Antibacterial stainless steel ; calcium oxide ; carbon ; cast iron ; cement ; Cement clinker ; copper ; Escherichia coli ; flue gas ; gold ; hardness ; iron ; lead ; manufacturing ; Molten copper slag ; raw materials ; silver ; slags ; stainless steel ; thermodynamics ; Vortex smelting reduction ; Wear-resistant cast iron ; zinc</subject><ispartof>Journal of cleaner production, 2022-11, Vol.375, p.134202, Article 134202</ispartof><rights>2022 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-c913baf3843506496c9f037c43dd201fa9e93198f5c8668d318a1a3db4e8171f3</citedby><cites>FETCH-LOGICAL-c408t-c913baf3843506496c9f037c43dd201fa9e93198f5c8668d318a1a3db4e8171f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S095965262203774X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Hao, Jun</creatorcontrib><creatorcontrib>Dou, Zhi-he</creatorcontrib><creatorcontrib>Zhang, Ting-an</creatorcontrib><creatorcontrib>Jiang, Bao-cheng</creatorcontrib><creatorcontrib>Wang, Kun</creatorcontrib><creatorcontrib>Wan, Xing-yuan</creatorcontrib><title>Manufacture of wear-resistant cast iron and copper-bearing antibacterial stainless steel from molten copper slag via vortex smelting reduction</title><title>Journal of cleaner production</title><description>A novel method of preparing wear-resistant cast iron and copper-bearing antibacterial stainless steel by moderate dilution of molten copper slag and vortex smelting reduction is proposed in this paper. The reduction behaviors of different components during vortex smelting reduction after medium dilution of molten copper slag are systematically investigated. Thermodynamic analysis results show that lime (CaO) can promote the decomposition of the iron peridotite phase and strengthen the reduction of copper and iron in slag. Under the conditions of 1450 °C, slag alkalinity of 1.0, 0.13 wt% carbon addition, vortex stirring speed of 250 rpm, and sedimentation stirring speed of 63 rpm, the metallization rate of copper and iron is 91.76%. In addition, 97.90 wt% zinc and 14.79 wt% lead in copper slag enter flue gas to be recovered, and 94.11 wt% silver and 88.66 wt% gold are reduced into metal. HBW555Cr13 wear-resistant cast iron and 20Cr13Cu3 copper-bearing martensitic antibacterial stainless steel, which meet the requirements of Chinese national standards, are successfully prepared by this process, realizing the separation, enrichment, and recovery of valuable components in the copper slag. The Brinell hardness of wear-resistant cast iron is 575, and the antibacterial rate of copper-containing antibacterial stainless steel against Escherichia coli is more than 99%. The reduction slag can be used as the raw material for preparing cement clinker after water quenching. There is no secondary waste residue, which realizes the molten copper slag's large-scale, slag-free, and high-value utilization.
[Display omitted]
•A method of preparing HBW555Cr13 wear-resistant cast iron is proposed.•A method of preparing 20Cr13Cu3 antibacterial stainless steel is proposed.•The reduction behavior of different components is systematically studied.•The abrasion and antimicrobial resistance of the product are characterized.</description><subject>alkalinity</subject><subject>Antibacterial stainless steel</subject><subject>calcium oxide</subject><subject>carbon</subject><subject>cast iron</subject><subject>cement</subject><subject>Cement clinker</subject><subject>copper</subject><subject>Escherichia coli</subject><subject>flue gas</subject><subject>gold</subject><subject>hardness</subject><subject>iron</subject><subject>lead</subject><subject>manufacturing</subject><subject>Molten copper slag</subject><subject>raw materials</subject><subject>silver</subject><subject>slags</subject><subject>stainless steel</subject><subject>thermodynamics</subject><subject>Vortex smelting reduction</subject><subject>Wear-resistant cast iron</subject><subject>zinc</subject><issn>0959-6526</issn><issn>1879-1786</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkMtqIzEQRcWQwDiZfMKAltm0o0c_pFUIJi9IyCazFrK6ZGTUkkdSO8lPzDePjL3Pqoringt1EPpNyZIS2t9sl1vjYZfikhHGlpS3df5ACyoG2dBB9GdoQWQnm75j_U90kfOWEDqQoV2gf686zFabMifA0eIP0KlJkF0uOhRsdC7YpRiwDiM2cbeD1KxrxoVNPRW3rigkpz2ugAsecq4bgMc2xQlP0RcIJxBnrzd47zTex1TgE-cJfDk0JRhnU1wMv9C51T7D1Wleoj8P9--rp-bl7fF5dffSmJaI0hhJ-VpbLlrekb6VvZGW8MG0fBwZoVZLkJxKYTsj-l6MnApNNR_XLQg6UMsv0fWxt1r7O0MuanLZgPc6QJyzYgPjlAnOWI12x6hJMecEVu2Sm3T6UpSog3-1VSf_6uBfHf1X7vbIQf1j7yCpbBwEA6NLYIoao_um4T-rWpSQ</recordid><startdate>20221115</startdate><enddate>20221115</enddate><creator>Hao, Jun</creator><creator>Dou, Zhi-he</creator><creator>Zhang, Ting-an</creator><creator>Jiang, Bao-cheng</creator><creator>Wang, Kun</creator><creator>Wan, Xing-yuan</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20221115</creationdate><title>Manufacture of wear-resistant cast iron and copper-bearing antibacterial stainless steel from molten copper slag via vortex smelting reduction</title><author>Hao, Jun ; Dou, Zhi-he ; Zhang, Ting-an ; Jiang, Bao-cheng ; Wang, Kun ; Wan, Xing-yuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-c913baf3843506496c9f037c43dd201fa9e93198f5c8668d318a1a3db4e8171f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>alkalinity</topic><topic>Antibacterial stainless steel</topic><topic>calcium oxide</topic><topic>carbon</topic><topic>cast iron</topic><topic>cement</topic><topic>Cement clinker</topic><topic>copper</topic><topic>Escherichia coli</topic><topic>flue gas</topic><topic>gold</topic><topic>hardness</topic><topic>iron</topic><topic>lead</topic><topic>manufacturing</topic><topic>Molten copper slag</topic><topic>raw materials</topic><topic>silver</topic><topic>slags</topic><topic>stainless steel</topic><topic>thermodynamics</topic><topic>Vortex smelting reduction</topic><topic>Wear-resistant cast iron</topic><topic>zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hao, Jun</creatorcontrib><creatorcontrib>Dou, Zhi-he</creatorcontrib><creatorcontrib>Zhang, Ting-an</creatorcontrib><creatorcontrib>Jiang, Bao-cheng</creatorcontrib><creatorcontrib>Wang, Kun</creatorcontrib><creatorcontrib>Wan, Xing-yuan</creatorcontrib><collection>CrossRef</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Journal of cleaner production</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hao, Jun</au><au>Dou, Zhi-he</au><au>Zhang, Ting-an</au><au>Jiang, Bao-cheng</au><au>Wang, Kun</au><au>Wan, Xing-yuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Manufacture of wear-resistant cast iron and copper-bearing antibacterial stainless steel from molten copper slag via vortex smelting reduction</atitle><jtitle>Journal of cleaner production</jtitle><date>2022-11-15</date><risdate>2022</risdate><volume>375</volume><spage>134202</spage><pages>134202-</pages><artnum>134202</artnum><issn>0959-6526</issn><eissn>1879-1786</eissn><abstract>A novel method of preparing wear-resistant cast iron and copper-bearing antibacterial stainless steel by moderate dilution of molten copper slag and vortex smelting reduction is proposed in this paper. The reduction behaviors of different components during vortex smelting reduction after medium dilution of molten copper slag are systematically investigated. Thermodynamic analysis results show that lime (CaO) can promote the decomposition of the iron peridotite phase and strengthen the reduction of copper and iron in slag. Under the conditions of 1450 °C, slag alkalinity of 1.0, 0.13 wt% carbon addition, vortex stirring speed of 250 rpm, and sedimentation stirring speed of 63 rpm, the metallization rate of copper and iron is 91.76%. In addition, 97.90 wt% zinc and 14.79 wt% lead in copper slag enter flue gas to be recovered, and 94.11 wt% silver and 88.66 wt% gold are reduced into metal. HBW555Cr13 wear-resistant cast iron and 20Cr13Cu3 copper-bearing martensitic antibacterial stainless steel, which meet the requirements of Chinese national standards, are successfully prepared by this process, realizing the separation, enrichment, and recovery of valuable components in the copper slag. The Brinell hardness of wear-resistant cast iron is 575, and the antibacterial rate of copper-containing antibacterial stainless steel against Escherichia coli is more than 99%. The reduction slag can be used as the raw material for preparing cement clinker after water quenching. There is no secondary waste residue, which realizes the molten copper slag's large-scale, slag-free, and high-value utilization.
[Display omitted]
•A method of preparing HBW555Cr13 wear-resistant cast iron is proposed.•A method of preparing 20Cr13Cu3 antibacterial stainless steel is proposed.•The reduction behavior of different components is systematically studied.•The abrasion and antimicrobial resistance of the product are characterized.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.jclepro.2022.134202</doi></addata></record> |
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| subjects | alkalinity Antibacterial stainless steel calcium oxide carbon cast iron cement Cement clinker copper Escherichia coli flue gas gold hardness iron lead manufacturing Molten copper slag raw materials silver slags stainless steel thermodynamics Vortex smelting reduction Wear-resistant cast iron zinc |
| title | Manufacture of wear-resistant cast iron and copper-bearing antibacterial stainless steel from molten copper slag via vortex smelting reduction |
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