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Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor

The technology of vanadium clinker and leaching solution is applied in the field of phosphorus and silicon removal of vanadium-containing clinker leaching solution, and achieves the effects of high product quality, good effect and low price

Inactive Publication Date: 2010-06-09
PANGANG GROUP VANADIUM TITANIUM & RESOURCES +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is only limited to the purification of high-vanadium liquid after roasting and ion exchange of vanadium ore, and does not involve vanadium liquid leached from vanadium slag clinker, vanadium liquid directly leached from vanadium ore, and vanadium liquid obtained by dissolving crude vanadium products. Complex vanadium liquid purification

Method used

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  • Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor
  • Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor
  • Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Add 1000mL of ordinary vanadium solution in Table 1 to a 2000mL clean beaker, heat it to boiling, adjust the PH value of the vanadium solution to 10.5 with acid and alkali, then add 5.14g of anhydrous aluminum sulfate to fully stir, react for 1h to make it fully react , Cooled to normal temperature, filtered to obtain a vanadium solution with Si=0.043g / L and P=0.005g / L.

Embodiment 2

[0023] Add 1000mL of ordinary vanadium solution in Table 1 to a 2000mL clean beaker, heat to 65°C, adjust the pH to 9 with acid and alkali, then add 7g of anhydrous ferric sulfate to fully stir, react for 1h to fully react, cool to room temperature, filter , Get Si = 0.0077g / L, P = 0.004g / L vanadium solution.

Embodiment 3

[0025] Add 1000mL of ordinary vanadium solution in Table 1 to a 2000mL clean beaker, heat it to 90℃, adjust the pH value of the vanadium solution to 11.5 with acid and alkali, then add 3g of anhydrous magnesium sulfate to fully stir, react fully for 1 hour, and cool to After filtering at room temperature, a vanadium solution with Si=0.009g / L and P=0.007g / L was obtained.

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Abstract

The invention discloses a phosphorus and silicon removing method of a vanadium-contained clinker. A vanadium-contained clinker leaching liquor is obtained by leaching the vanadium-contained clinker by using the method comprising the following steps of: setting the temperature of the vanadium-contained clinker leaching liquor within a temperature range of 60 DEG C to boiling; regulating the pH value of the vanadium-contained clinker leaching liquor; regulating the pH value of the vanadium-contained clinker leaching liquor by utilizing an acid and an alkali according to the varieties of purifying agents to be added; adding the purifying agent and determining the addition of the purifying agent according to the detected contents of phosphorus and silicon in the vanadium-contained clinker leaching liquor and the reaction formula of the phosphorus and the silicon in the vanadium-contained clinker leaching liquor and the purifying agent; and cooling and filtering the obtained vanadium-contained clinker leaching liquor to obtain a low-phosphorus low-silicon vanadium liquor. The phosphorus and silicon removing method of the vanadium-contained clinker has a loose requirement for vanadium liquor components and can simultaneously effectively remove the phosphorus and the silicon as impurities.

Description

Technical field [0001] The present invention relates to the technical field of vanadium-containing clinker leaching and extracting vanadium. More specifically, the present invention relates to a method for removing phosphorus and silicon from a vanadium-containing clinker leaching solution in a vanadium-containing clinker leaching process. Background technique [0002] In the process of leaching and extracting vanadium from vanadium-containing clinker, some impurities are also leached into the solution along with vanadium, which affects the quality of vanadium precipitation and the product. Among them, phosphorus and silicon are important factors that affect vanadium precipitation and product quality. Therefore, impurity phosphorus and silicon should be removed from the vanadium-containing clinker leaching solution to meet product quality requirements. [0003] The impurity phosphorus in the vanadium-containing clinker leachate mainly exists in the form of phosphate ion. Calcium c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B34/22
Inventor 边悟孙朝晖彭毅李千文伍珍秀顾计勇王永钢殷兆迁付自碧
Owner PANGANG GROUP VANADIUM TITANIUM & RESOURCES
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