Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets
Carbon-containing pellets were prepared with the carbonized product of agricultural wastes and iron concentrate, and an experimental study on the direct reduction was carried out. The experimental results demonstrated that carbon-containing pellets could be rapidly reduced at 1200 to 1300°C in 15 mi...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2018/2138268 |
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| _version_ | 1832558364929818624 |
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| author | Zhulin Liu Xuegong Bi Zeping Gao Wei Liu |
| author_facet | Zhulin Liu Xuegong Bi Zeping Gao Wei Liu |
| author_sort | Zhulin Liu |
| collection | DOAJ |
| description | Carbon-containing pellets were prepared with the carbonized product of agricultural wastes and iron concentrate, and an experimental study on the direct reduction was carried out. The experimental results demonstrated that carbon-containing pellets could be rapidly reduced at 1200 to 1300°C in 15 minutes, and the proper holding time at high temperature was 15 to 20 min. The degree of reduction gradually increased with temperature rising, and the appropriate temperature of reducing pellets was 1200°C. The weight loss rate and reduction degree of pellets increased with the rise of carbon proportion, and the relatively reasonable mole ratio of carbon to oxygen was 0.9. A higher content of carbon and an appropriate content of volatile matters in biomass char were beneficial to the reduction of pellets. The carbon-containing pellets could be reduced at high speeds in the air, but there was some reoxidization phenomenon. |
| format | Article |
| id | doaj-art-0e4f8929451e441fa6e8cd9a91d4e75e |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-0e4f8929451e441fa6e8cd9a91d4e75e2025-02-03T01:32:29ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422018-01-01201810.1155/2018/21382682138268Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste PelletsZhulin Liu0Xuegong Bi1Zeping Gao2Wei Liu3School of Metallurgical and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, Hunan, ChinaState Key Laboratory of Refractory Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, Hubei, ChinaSchool of Metallurgical and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, Hunan, ChinaState Key Laboratory of Refractory Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, Hubei, ChinaCarbon-containing pellets were prepared with the carbonized product of agricultural wastes and iron concentrate, and an experimental study on the direct reduction was carried out. The experimental results demonstrated that carbon-containing pellets could be rapidly reduced at 1200 to 1300°C in 15 minutes, and the proper holding time at high temperature was 15 to 20 min. The degree of reduction gradually increased with temperature rising, and the appropriate temperature of reducing pellets was 1200°C. The weight loss rate and reduction degree of pellets increased with the rise of carbon proportion, and the relatively reasonable mole ratio of carbon to oxygen was 0.9. A higher content of carbon and an appropriate content of volatile matters in biomass char were beneficial to the reduction of pellets. The carbon-containing pellets could be reduced at high speeds in the air, but there was some reoxidization phenomenon.http://dx.doi.org/10.1155/2018/2138268 |
| spellingShingle | Zhulin Liu Xuegong Bi Zeping Gao Wei Liu Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets Advances in Materials Science and Engineering |
| title | Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets |
| title_full | Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets |
| title_fullStr | Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets |
| title_full_unstemmed | Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets |
| title_short | Carbothermal Reduction of Iron Ore in Its Concentrate-Agricultural Waste Pellets |
| title_sort | carbothermal reduction of iron ore in its concentrate agricultural waste pellets |
| url | http://dx.doi.org/10.1155/2018/2138268 |
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