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Iron removal process for low-quality potassium feldspar

A low-quality potassium feldspar technology, applied in the field of iron removal technology for low-quality potassium feldspar, can solve the problems of high iron content and low energy consumption of low-quality potassium feldspar, achieve low hardness, low energy consumption, light weight effect

Inactive Publication Date: 2019-01-11
贺州市骏鑫矿产品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to provide a process for removing iron from low-quality potassium feldspar. The present invention effectively solves the problem of high iron content in low-quality potassium feldspar, and obtains high-quality and high-quality iron through a series of treatments. Pure potassium feldspar powder, this purification process can not only meet the requirements of domestic glass, ceramics, enamel and other industries for high whiteness feldspar sand powder, but also has the characteristics of high production efficiency, low energy consumption, harmless and pollution-free

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of iron removal technology of low-quality potassium feldspar provided by the present embodiment comprises the following steps:

[0027] (1) Preparation of potassium feldspar sand powder: first roll the potassium feldspar coarse concentrate on a granite wheel mill, sift out the fine powder, rinse with water, remove surface mica, and obtain potassium feldspar sand with a particle size of 60 mesh pink;

[0028] (2) Preparation of potassium feldspar fine powder: add water to the potassium feldspar sand grains washed with water and then grind it with a granite wheel mill with a surrounding edge, and flow out through the screen with water to obtain potassium feldspar fine powder. pink;

[0029] (3) Acid leaching for iron removal: first place 25% hydrochloric acid solution in the acid leaching iron removal pool as the pickling solution, then place the potassium feldspar fine powder processed in step (2) in the acid leaching iron removal pool Add 100g of potassium feld...

Embodiment 2

[0034] A kind of iron removal technology of low-quality potassium feldspar provided by the present embodiment comprises the following steps:

[0035] (1) Preparation of potassium feldspar sand powder: first roll the potassium feldspar coarse concentrate on a granite wheel mill, sift out the fine powder, rinse with water, remove surface mica, and obtain potassium feldspar sand with a particle size of 80 mesh pink;

[0036] (2) Preparation of potassium feldspar fine powder: add water to the potassium feldspar sand grains washed with water and then grind it with a granite wheel mill with a surrounding edge, and flow out through the screen with water to obtain potassium feldspar fine powder. pink;

[0037] (3) Acid leaching for iron removal: 30% hydrochloric acid solution is placed in the acid leaching iron removal pool as the pickling solution, and then the potassium feldspar fine powder processed in step (2) is placed in the acid leaching iron removal pool Add 100g of potassiu...

Embodiment 3

[0042] A kind of iron removal technology of low-quality potassium feldspar provided by the present embodiment comprises the following steps:

[0043] (1) Preparation of potassium feldspar sand powder: first roll the potassium feldspar coarse concentrate on a granite wheel mill, sift out the fine powder, rinse with water, remove surface mica, and obtain potassium feldspar sand with a particle size of 100 mesh pink;

[0044] (2) Preparation of potassium feldspar fine powder: add water to the potassium feldspar sand grains washed with water and then grind it with a granite wheel mill with a surrounding edge, and flow out through the screen with water to obtain potassium feldspar fine powder. pink;

[0045] (3) Acid leaching for iron removal: first place 35% hydrochloric acid solution in the acid leaching iron removal pool as the pickling solution, then place the potassium feldspar fine powder processed in step (2) in the acid leaching iron removal pool Add 100g of potassium fel...

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Abstract

The invention provides an iron removal process for low-quality potassium feldspar and relates to the technical field of mineral separation processes. The iron removal process for low-quality potassiumfeldspar comprises the following steps: (1) preparing potassium feldspar sand powder; (2) preparing potassium feldspar fine powder; (3) performing acid leaching to remove iron; (4) rinsing the potassium feldspar; (5) recovering the pickling solution; and (6) drying. The problem that the low-quality potassium feldspar is high in iron content is effectively solved. The potassium feldspar powder with high quality and high purity is prepared by virtue of a series of treatments. The purification process is capable of meeting the requirements on high-whiteness potassium feldspar sand powder in theindustries such as domestic glass, ceramics, enamel and the like, and also has the characteristics of being high in production efficiency, low in energy consumption, harmless, pollution-free and the like.

Description

【Technical field】 [0001] The invention relates to the technical field of beneficiation process, in particular to a process for removing iron from low-quality potassium feldspar. 【Background technique】 [0002] Feldspar is an aluminosilicate mineral containing calcium, sodium, and potassium. There are many kinds of it, such as potassium feldspar, albite, anorthite, and sanidine. They all have glass luster and come in a variety of colors, including colorless, white, yellow, pink, green, gray, black, etc. Some are transparent, some are translucent. Feldspar itself should be colorless and transparent. The reason why it is colored or not completely transparent is because it contains other impurities. Some are lumpy, some are plate-like, and some are columnar or needle-like. Among them, potassium feldspar is an important industrial raw material with a wide range of uses, mainly used in ceramics, glass, enamel and other industries. However, natural potassium feldspar ores usual...

Claims

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Application Information

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IPC IPC(8): C01B33/26
CPCC01B33/26
Inventor 邓培有
Owner 贺州市骏鑫矿产品有限责任公司
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