Preparation of TiCl4 with multistage series combined fluidized bed

In order to solve the agglomeration problem in TiCl4 preparation, a new test in a multistage series combined fluidized bed was studied on a pilot scale. The pilot plant can make full use of titanium slag with a high content of MgO and CaO as the feedstock. Several experimental parameters such as chl...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2013-01, Vol.23 (1), p.283-288
Main Authors: YUAN, Zhang-fu, ZHU, Yuan-qing, XI, Liang, XIONG, Shao-feng, XU, Bing-sheng
Format: Article
Language:English
Subjects:
anti-agglomeration
CaCl2
CaO
Chlorine
combined fluidized bed
Conversion
Fluidized beds
Magnesium oxide
MgCl2
MgO
Multistage
Pilots
Slags
Titanium dioxide
titanium tetrachloride
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Summary:In order to solve the agglomeration problem in TiCl4 preparation, a new test in a multistage series combined fluidized bed was studied on a pilot scale. The pilot plant can make full use of titanium slag with a high content of MgO and CaO as the feedstock. Several experimental parameters such as chlorine flow and reaction temperature were discussed and the morphology and components of reaction product were analyzed. According to the results, the conversion rate of TiO2 is up to 90%. It is found that the combined fluidized bed has good anti-agglomeration ability because the accumulation of MgCl2 and CaCl2 on the surface of unreacted slag was carried out of the reactor.
ISSN:1003-6326
DOI:10.1016/S1003-6326(13)62458-9