Influence of gas medium on some regularities of chloride distillation
Abstract
For a more detailed study of the process of processing of cinders of pyrite concentrates by chloride distillation method, the kinetics of transition to the gas phase of cobalt and iron were studied and the effect of the gas medium composition on the sublimation of metals. Experiments were carried out on the cinder with a grain size of -0.25+0.16 mm, containing 0.5% sulfur. X‑ray diffraction analysis showed that almost all the iron in the cinder is represented by oxide. The installation for chlorination experiments, described in detail by A. K. Orlov and I. N. Piskunov [1963 a, b], was supplemented only by a furnace for purification of nitrogen from oxygen with the help of hopcalite mixture and a loading device, allowing the introduction of a sample of cinders into the reaction space after reaching the operating temperature and the specified composition of the gas mixture (10‑12 min to displace air from the system after heating the reactor).
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References
- Ishimitsu Akitoshi, Furui Takeo, Suwa Akira. Selective chlorination roasting of iron ores containing nickel. Ekspress-informatsiya, Tsvetnaya metallurgiya, No. 34, 108, 1962.
- Orlov A. K., Piskunov I. N. About regularities of the process of chloride distillation of cobalt from cinders of pyrite concentrates. Zapiski Gornogo Instituta, vol. XLII, iss. 3, 1963a.
- Orlov A. K., Piskunov I. N. About chloride distillation of metals from pyrite concentrate cinders. , Zapiski Gornogo Instituta, vol. XLII, iss. 3,1963b.