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Compound organic matter for preparing high-brightness titanium tetrachloride by removing vanadium with coarse titanium and preparation method thereof

A technology of whiteness titanium tetrachloride and organic matter, applied in the direction of titanium tetrachloride, titanium halide, etc., to achieve the effect of reducing volatilization and improving antistatic ability

Active Publication Date: 2019-08-02
BOHAI UNIV
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Problems solved by technology

[0009] Therefore, according to the research of inventors etc., it is clear that the vanadium-removing organic reagents recorded in paper documents 1 and 2 have many problems in the chromaticity after vanadium removal

Method used

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  • Compound organic matter for preparing high-brightness titanium tetrachloride by removing vanadium with coarse titanium and preparation method thereof
  • Compound organic matter for preparing high-brightness titanium tetrachloride by removing vanadium with coarse titanium and preparation method thereof
  • Compound organic matter for preparing high-brightness titanium tetrachloride by removing vanadium with coarse titanium and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0039] In Example 1, Example 2 and Example 3, except that there are multiple choices of raw materials and their contents, other reaction conditions and parameters are completely consistent.

[0040] Table 3 shows the composition, physical properties and effect evaluation of compounded organic matter. The evaluation methods in Table 3 are as follows:

[0041] The compounded organic compound for vanadium removal was subjected to the experiment of refining titanium tetrachloride at a mass ratio of 100:1, stirred in a cold state for 90-120 minutes, and then distilled at 130-140°C to collect refined titanium samples and conduct vanadium Content and color detection. The vanadium content in the test result is less than 1ppm, and the chromaticity is less than 5mgK 2 Cr 2 o 7 / L -1time is qualified.

[0042] According to the analysis results of effect evaluation, it can be known that the addition of synthetic base oil has a significant impact on the effect of vanadium removal. Wh...

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Abstract

The invention belongs to the field of organic matter-based refining of titanium tetrachloride, and particularly relates to a compound organic matter for preparing high-brightness titanium tetrachloride by removing vanadium with coarse titanium. The compound organic matter comprises synthetic base oil, naphthenic oil, alkylamine and inorganic electrolyte; the mass ratio of the synthetic base oil tonaphthenic oil, alkylamine to inorganic electrolyte is: (30-50):(20-50):(5-10):(5-10); the synthetic base oil is n-dodecane; the naphthenic oil is KG16C naphthenic oil; the alkylamine is oleamide; and the inorganic electrolyte is anhydrous zinc sulfate. The invention can significantly improve the brightness of the titanium tetrachloride after vanadium removal, so that the chromaticity of the titanium tetrachloride after vanadium removal is less than 5 mgK2Cr2O7 / L<-1> to provide high-quality raw material to subsequent preparation of titanium dioxide.

Description

technical field [0001] The invention belongs to the field of refining titanium tetrachloride with organic matter, and specifically relates to a composite organic matter for preparing high-whiteness titanium tetrachloride by removing vanadium from crude titanium and a preparation method thereof. Background technique [0002] Titanium dioxide is considered to be a white pigment with the best performance in the world at present, and is widely used in coatings, plastics, papermaking, printing ink, chemical fiber, rubber, cosmetics and other industries. When titanium dioxide is used in the paint industry, the color will turn yellow, which seriously affects the quality of the product. The high chroma of refined titanium tetrachloride is mainly due to the reaction of crude titanium tetrachloride with organic vanadium-removing reagent in the refining process, and the vanadium-removing reagent is cracked into small molecule organic matter and dissolved in refined titanium tetrachlori...

Claims

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Application Information

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IPC IPC(8): C01G23/02
CPCC01G23/024C01P2006/80
Inventor 鄂涛程颖杨姝宜钱建华邢振强刘琳马增英肖鑫宇
Owner BOHAI UNIV
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