- Tytuł:
- Effects of the fixed carbon and ash in blast furnace dust on its co-reduction with seaside titanomagnetite
- Autorzy:
-
Wang, Xiaoping
Hu, Tianyang
Chen, Chuanzhong
Sun, Tichang - Powiązania:
- https://bibliotekanauki.pl/articles/109936.pdf
- Data publikacji:
- 2019
- Wydawca:
- Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
- Tematy:
-
seaside titanomagnetite
blast furnace dust
co-reduction roasting
fixed carbon
ash - Opis:
- Previous research has found that the fixed carbon in blast furnace dust (BFD) could be used as the reductant of co-reduction roasting of the iron oxides in seaside titanomagnetite and BFD to replace coals. This research studied the influence mechanism of the fixed carbon and ash in BFD on coreduction.Results showed that both fixed carbon and ash in BFD promoted the reduction of iron, while ash had adverse effect on separation of titanium and iron. The main mechanism was as follows: The ash in BFD accelerated melting. In addition, the iron oxide in the ash of BFD could be reduced to metallic iron cores more easily in the initial stage, providing the site of inhomogeneous core and promoting the aggregation and growth of metallic iron. Furthermore, the fixed carbon mainly reacted with iron ore by solid-solid reaction, leading to a rapid reduction rate and a high utilization rate of fixed carbon.
- Źródło:
-
Physicochemical Problems of Mineral Processing; 2019, 55, 5; 1323-1337
1643-1049
2084-4735 - Pojawia się w:
- Physicochemical Problems of Mineral Processing
- Dostawca treści:
- Biblioteka Nauki
Artykuł