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Organic reagent for removing vanadium and method for removing vanadium from titanium tetrachloride

A technology of organic reagents and crude titanium tetrachloride, applied in the direction of titanium halide, etc., can solve the problems of small amount of residues that cannot be realized at the same time, and high speed, and achieve the effect of good vanadium removal effect, low price, and abundant raw material sources

Inactive Publication Date: 2016-01-27
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects that the existing titanium tetrachloride organic vanadium removal reagent is fast and the residue amount cannot be realized at the same time, and provides an organic reagent for vanadium removal and a method for vanadium removal by titanium tetrachloride

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0029] This preparation example is used to illustrate the preparation of the organic reagent for removing vanadium provided by the present invention.

[0030] Measure oleic acid and nonanoic acid according to the volume ratio of oleic acid and nonanoic acid of 3:2, mix well, and record it as reagent a1.

preparation example 2

[0032] This preparation example is used to illustrate the preparation of the organic reagent for removing vanadium provided by the present invention.

[0033] Measure linoleic acid and octanoic acid according to the volume ratio of oleic acid and pelargonic acid at a ratio of 4:1, mix well, and record it as reagent a2.

preparation example 3

[0035] This preparation example is used to illustrate the preparation of the organic reagent for removing vanadium provided by the present invention.

[0036] Measure arachidonic acid and nonanoic acid according to the volume ratio of linoleic acid and nonanoic acid at a ratio of 7:3, mix them uniformly, and record it as reagent a3.

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PUM

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Abstract

The invention relates to the field of titanium tetrachloride refining and discloses an organic reagent for removing vanadium and a method for removing vanadium from titanium tetrachloride. The organic reagent for removing vanadium comprises saturated fatty acid and unsaturated fatty acid. With the total volume of the organic reagent as the reference, the content of saturated fatty acid is larger than 0 and smaller than or equal to 60% by volume, the content of unsaturated fatty acid is larger than or equal to 40% by volume and smaller than 100% by volume, the chain length of saturated fatty acid ranges from C5 to C9, and the chain length of unsaturated fatty acid ranges from C10 to C30. The organic reagent for removing vanadium is high in vanadium removing speed, good in effect and small in quantity of generated residues.

Description

technical field [0001] The invention relates to the field of refining titanium tetrachloride, in particular to an organic reagent for removing vanadium and a method for removing vanadium from titanium tetrachloride. Background technique [0002] Titanium tetrachloride is the most important intermediate product in the production of titanium dioxide by the chloride method and the production of sponge titanium by the Krall method. Crude titanium tetrachloride is a reddish brown or dark yellow turbid liquid, and its color is related to the impurity content in it. The impurity components in crude titanium tetrachloride are very complex, among which vanadium is a main impurity element in crude titanium tetrachloride, which is represented by VOCl 3 form exists in it. VOCl 3 When it is reduced, the oxygen element may enter the sponge titanium at four times the concentration, resulting in an increase in the oxygen content in the sponge titanium, an increase in the Brinell hardness...

Claims

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Application Information

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IPC IPC(8): C01G23/02
Inventor 周丽李良陆平李冬勤杜明
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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