Reduction Behavior of FeO Compact Including Molten Slag
FeO compact including molten slag was reduced with H2 at 1500 K, and the effect of the slag penetration in the reducibility was investigated. Two kinds of molten slag, which coexist with solid FeO, in FeO-SiO2-CaO systems were used and the influence of the physical properties of molten slag, especia...
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Veröffentlicht in: | ISIJ International 2004/12/15, Vol.44(12), pp.2100-2104 |
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creator | Nakamoto, Masashi Ono-Nakazato, Hideki Kawabata, Hirotoshi Usui, Tateo Tanaka, Toshihiro |
description | FeO compact including molten slag was reduced with H2 at 1500 K, and the effect of the slag penetration in the reducibility was investigated. Two kinds of molten slag, which coexist with solid FeO, in FeO-SiO2-CaO systems were used and the influence of the physical properties of molten slag, especially viscosity, on the reducibility was investigated. The penetrations of the molten slag with a low viscosity to the grain boundaries produce the spaces, which are useful as the pass of the reduction gas, in the interspaces between the grains. Then, the reduction rate of the FeO compact containing molten slag with a low viscosity is higher than that of the FeO compact containing molten slag with a high viscosity. |
doi_str_mv | 10.2355/isijinternational.44.2100 |
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Two kinds of molten slag, which coexist with solid FeO, in FeO-SiO2-CaO systems were used and the influence of the physical properties of molten slag, especially viscosity, on the reducibility was investigated. The penetrations of the molten slag with a low viscosity to the grain boundaries produce the spaces, which are useful as the pass of the reduction gas, in the interspaces between the grains. Then, the reduction rate of the FeO compact containing molten slag with a low viscosity is higher than that of the FeO compact containing molten slag with a high viscosity.</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.44.2100</identifier><language>eng</language><publisher>The Iron and Steel Institute of Japan</publisher><subject>iron oxide ; ironmaking ; molten slag ; penetration ; reducibility ; viscosity</subject><ispartof>ISIJ International, 2004/12/15, Vol.44(12), pp.2100-2104</ispartof><rights>The Iron and Steel Institute of Japan</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c672t-9a5848bba088f9a3555324380826b359547673dd57262f9f639327e0ef497bf93</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,1877,27905,27906</link.rule.ids></links><search><creatorcontrib>Nakamoto, Masashi</creatorcontrib><creatorcontrib>Ono-Nakazato, Hideki</creatorcontrib><creatorcontrib>Kawabata, Hirotoshi</creatorcontrib><creatorcontrib>Usui, Tateo</creatorcontrib><creatorcontrib>Tanaka, Toshihiro</creatorcontrib><title>Reduction Behavior of FeO Compact Including Molten Slag</title><title>ISIJ International</title><addtitle>ISIJ Int.</addtitle><description>FeO compact including molten slag was reduced with H2 at 1500 K, and the effect of the slag penetration in the reducibility was investigated. Two kinds of molten slag, which coexist with solid FeO, in FeO-SiO2-CaO systems were used and the influence of the physical properties of molten slag, especially viscosity, on the reducibility was investigated. The penetrations of the molten slag with a low viscosity to the grain boundaries produce the spaces, which are useful as the pass of the reduction gas, in the interspaces between the grains. Then, the reduction rate of the FeO compact containing molten slag with a low viscosity is higher than that of the FeO compact containing molten slag with a high viscosity.</description><subject>iron oxide</subject><subject>ironmaking</subject><subject>molten slag</subject><subject>penetration</subject><subject>reducibility</subject><subject>viscosity</subject><issn>0915-1559</issn><issn>1347-5460</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNplkE1LAzEURYMoWGr_w7hxNzWfk2SpxWqhUtC6DplM0qakk5rMCP57O1S66ebdzTmXxwXgHsEpJow9-ux3vu1sanXnY6vDlNIpRhBegREilJeMVvAajKBErESMyVswydnXEGIqKEFkBPiHbXoz2MWz3eofH1MRXTG3q2IW9wdtumLRmtA3vt0U7zF0ti0-g97cgRunQ7aT_xyDr_nLevZWLlevi9nTsjQVx10pNRNU1LWGQjipj08zgikRUOCqJkwyyitOmoZxXGEnXUUkwdxC66jktZNkDB5OvYcUv3ubO7X32dgQdGtjnxUWBElCxRGUJ9CkmHOyTh2S3-v0qxBUw1rqYi1FqRrWOrrrk7vLnd7Ys6lT502wlyaSQg42wv93qDnjZquTsi35AyaJgAk</recordid><startdate>20040101</startdate><enddate>20040101</enddate><creator>Nakamoto, Masashi</creator><creator>Ono-Nakazato, Hideki</creator><creator>Kawabata, Hirotoshi</creator><creator>Usui, Tateo</creator><creator>Tanaka, Toshihiro</creator><general>The Iron and Steel Institute of Japan</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20040101</creationdate><title>Reduction Behavior of FeO Compact Including Molten Slag</title><author>Nakamoto, Masashi ; Ono-Nakazato, Hideki ; Kawabata, Hirotoshi ; Usui, Tateo ; Tanaka, Toshihiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c672t-9a5848bba088f9a3555324380826b359547673dd57262f9f639327e0ef497bf93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>iron oxide</topic><topic>ironmaking</topic><topic>molten slag</topic><topic>penetration</topic><topic>reducibility</topic><topic>viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nakamoto, Masashi</creatorcontrib><creatorcontrib>Ono-Nakazato, Hideki</creatorcontrib><creatorcontrib>Kawabata, Hirotoshi</creatorcontrib><creatorcontrib>Usui, Tateo</creatorcontrib><creatorcontrib>Tanaka, Toshihiro</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>ISIJ International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nakamoto, Masashi</au><au>Ono-Nakazato, Hideki</au><au>Kawabata, Hirotoshi</au><au>Usui, Tateo</au><au>Tanaka, Toshihiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduction Behavior of FeO Compact Including Molten Slag</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>2004-01-01</date><risdate>2004</risdate><volume>44</volume><issue>12</issue><spage>2100</spage><epage>2104</epage><pages>2100-2104</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>FeO compact including molten slag was reduced with H2 at 1500 K, and the effect of the slag penetration in the reducibility was investigated. Two kinds of molten slag, which coexist with solid FeO, in FeO-SiO2-CaO systems were used and the influence of the physical properties of molten slag, especially viscosity, on the reducibility was investigated. The penetrations of the molten slag with a low viscosity to the grain boundaries produce the spaces, which are useful as the pass of the reduction gas, in the interspaces between the grains. Then, the reduction rate of the FeO compact containing molten slag with a low viscosity is higher than that of the FeO compact containing molten slag with a high viscosity.</abstract><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.44.2100</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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subjects | iron oxide ironmaking molten slag penetration reducibility viscosity |
title | Reduction Behavior of FeO Compact Including Molten Slag |
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