Preparation method of iron oxide product

A technology of iron oxide and products, which is applied in the field of non-ferrous smelting, can solve the problems of waste of resources, pollution of the environment, occupation of land, etc., and achieve the effect of efficient recycling and shortening the purification process

Inactive Publication Date: 2017-07-18
甘肃有色冶金职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Jarsonite slag is industrial waste slag produced in the nickel and cobalt hydrometallurgy process, and the output has exceeded 20,000t / a. Jarsonite slag is accompanied by a certain amount of valuable metals such as nickel and cobalt, causing resource At the same time, the jarosite slag is piled up in the slag yard, which not only occupies the land, but also has the hidden danger of polluting the environment

Method used

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  • Preparation method of iron oxide product
  • Preparation method of iron oxide product

Examples

Experimental program
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Effect test

Embodiment 1

[0032] A preparation method of iron oxide product, comprising the following steps:

[0033] A. Jarosite slag leaching: Add jarosite slag and dilute sulfuric acid in a reaction kettle with a mechanical stirring and heating device according to a solid-to-liquid volume ratio of 1:5, react for 0.5h, dilute sulfuric acid [H + ] The concentration is 82g / L, and the reaction temperature is controlled to be 80°C; analyze the Fe content in the slurry liquid, according to the Fe content of the slurry liquid 3+ Add sodium sulfite to 1.1 times the concentration and react for 2 hours; analyze the Cu content in the slurry, according to the Cu content of the slurry 2+ Add iron powder at 1.2 times the concentration and react for 0.5h. After the reaction is completed, the slurry in the kettle is separated from solid to liquid.

[0034] B. Extraction of leaching solution: P 507 After the extraction agent and solvent oil (sulfonated kerosene) are mixed at a ratio of 1:3, NaOH solution with a ma...

Embodiment 2

[0039] A preparation method of iron oxide product, comprising the following steps:

[0040] A. Jarosite slag leaching: Add jarosite slag and dilute sulfuric acid in a reaction kettle with a mechanical stirring and heating device according to a solid-to-liquid ratio of 1:4, react for 1 hour, dilute sulfuric acid [H + ] Concentration is 85g / L, and reaction temperature is controlled as 82 ℃; Analyze the Fe content in the slurry liquid, according to the Fe content of the slurry liquid 3+ 1.0 times the concentration, add sodium sulfite and react for 1.5h; analyze the Cu content in the slurry, according to the Cu content of the slurry 2+Add iron powder at 1.1 times the concentration, and react for 1 hour. After the reaction is completed, the slurry in the kettle is separated from solid to liquid.

[0041] B. Extraction of leaching solution: P 507 After the extraction agent and solvent oil (sulfonated kerosene) are mixed at a ratio of 1:3, NaOH solution with a mass concentration of...

Embodiment 3

[0046] A preparation method of iron oxide product, comprising the following steps:

[0047] A. Jarosite slag leaching: add jarosite slag and dilute sulfuric acid in a reaction kettle with a mechanical stirring and heating device according to a solid-to-liquid ratio of 1:5, react for 0.5h, dilute sulfuric acid [H + ] The concentration is 84g / L, and the reaction temperature is controlled to be 84°C; analyze the Fe content in the slurry liquid, according to the Fe content of the slurry liquid 3+ Add sodium sulfite to 1.2 times the concentration and react for 2 hours; analyze the Cu content in the slurry, according to the Cu content of the slurry 2+ Add iron powder at 1.2 times the concentration and react for 0.5h. After the reaction is completed, the slurry in the kettle is separated from solid to liquid.

[0048] B. Extraction of leaching solution: P 507 After the extraction agent and solvent oil (sulfonated kerosene) are mixed at a ratio of 1:3, NaOH solution with a mass conc...

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PUM

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Abstract

The invention relates to the technical field of hydrometallurgical and pyrometallurgical processes of non-ferrous smelting, and discloses a preparation method of an iron oxide product. The method comprises the following steps: carrying out leaching treatment of iron vitriol dreg of yellow sodium by using industrial sulfuric acid; carrying out extraction and impurity removal of a leaching solution with P507 to ensure that an extraction solution meets a quality requirement on production of a nickel sulfate product and contents of impurities of a re-extraction solution can meet a quality requirement on production of the iron oxide product; carrying out an oxidation neutralization hydrolysis method and a goethite process of the re-extraction solution to precipitate iron; calcining the iron precipitant at high temperature to produce the qualified iron oxide product. With iron vitriol dreg of yellow sodium as a raw material, the iron oxide is prepared, so that the iron vitriol dreg of yellow sodium is recycled, and a raw material for producing the iron oxide is found to ensure that the iron vitriol dreg of yellow sodium is recycled, and the category of the raw materials for producing the iron oxide products can be widened.

Description

technical field [0001] The invention belongs to the technical field of nonferrous smelting, and relates to a method for producing iron oxide products by using industrial waste slag produced in nickel and cobalt hydrometallurgy processes as raw materials. Background technique [0002] With the development of modern industry, metal raw ore resources are increasingly scarce, and the use of new methods, new technologies, and new processes to make full use of metals in industrial waste residues and develop high value-added functional materials has become the main research on the utilization of industrial waste residues. direction. Jarsonite slag is industrial waste slag produced in the nickel and cobalt hydrometallurgy process, and the output has exceeded 20,000t / a. Jarsonite slag is accompanied by a certain amount of valuable metals such as nickel and cobalt, causing resource At the same time, the jarosite slag is piled up in the slag yard, which not only occupies the land, but...

Claims

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Application Information

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IPC IPC(8): C22B7/00C22B23/00C22B3/38C22B3/46
CPCC22B3/46C22B7/006C22B23/043C22B23/0469C22B3/402Y02P10/20
Inventor 刘瑜苏瑞娟谢琴
Owner 甘肃有色冶金职业技术学院
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