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Method for removing feldspar in quartz sand through flotation

A quartz sand and flotation technology, applied in flotation, solid separation and other directions, can solve the problem of unsatisfactory feldspar removal effect, and achieve the effects of convenient operation, reduced labor intensity and reduced production cost

Inactive Publication Date: 2014-03-26
成都兴能新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Feldspar is one of the main impurities in quartz sand, the current flotation method is not ideal for the removal of feldspar

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for removing feldspar by quartz sand flotation, comprising the following steps:

[0019] (1) Crushing: Crushing the raw material quartz ore to 0.1-1μm, adding water, mixing and stirring to prepare pulp A;

[0020] (2) pH adjustment: add alkaline substances to the pulp A to obtain pulp B with pH=11~12, the alkaline substance is one or more combinations of caustic soda, soda ash and ammonia water ;

[0021] (3) Adding activator, collector and 1-dodecanol to the pulp B, and stirring evenly to obtain pulp C;

[0022] (4) Put the pulp C into a flotation machine for flotation to obtain quartz sand from which feldspar has been removed.

Embodiment 2

[0024] A method for removing feldspar by quartz sand flotation, comprising the following steps:

[0025] (1) Crushing: Crushing the raw material quartz ore to 0.1-1μm, adding water, mixing and stirring to prepare pulp A;

[0026] (2) pH adjustment: add alkaline substances to the pulp A to obtain pulp B with pH=11~12, the alkaline substance is one or more combinations of caustic soda, soda ash and ammonia water ;

[0027] (3) Add an activator, a collector and 1-dodecanol to the pulp B, and stir evenly to obtain a pulp C; the activator is a compound that can be hydrolyzed into magnesium ions;

[0028] (4) Put the pulp C into a flotation machine for flotation to obtain quartz sand from which feldspar has been removed.

[0029] Preferably, the collector in step (3) is an alkyl sulfonate.

Embodiment 3

[0031] A method for removing feldspar by quartz sand flotation, comprising the following steps:

[0032] (1) Crushing: Crushing the raw material quartz ore to 0.1-1μm, adding water, mixing and stirring to prepare pulp A;

[0033] (2) pH adjustment: add alkaline substances to the pulp A to obtain pulp B with pH=11~12, the alkaline substance is one or more combinations of caustic soda, soda ash and ammonia water , the addition of alkaline substances is to adjust the pH of pulp B=11~12;

[0034] (3) Add an activator, a collector and 1-dodecanol to the pulp B, and stir evenly to obtain a pulp C; the activator is a compound that can be hydrolyzed into magnesium ions; the The collector is alkyl sulfonate; the addition amount of activator, collector and 1-dodecanol is 0.01~0.05% of the mass of pulp B;

[0035] (4) Put the pulp C into a flotation machine for flotation to obtain quartz sand from which feldspar has been removed.

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PUM

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Abstract

The invention provides a method for removing feldspar in quartz sand through flotation, and belongs to the field of purifying of quartz sand. The method is convenient to operate, according to the method, non-ionic surface active agent 1-dodecyl alcohol is added, the recovery rate of quartz rapidly rises, influences on the feldspar are not large, separation of the feldspar and the quartz is facilitated, according to the flotation method and flotation agents, flotation of the quartz sand can be quickly and effectively achieved, production efficiency of the quartz sand is improved, production cost of the quartz sand is greatly reduced, and labor intensity of operators is reduced.

Description

[0001] technical field [0002] The invention belongs to the field of purification of quartz sand, and in particular relates to a method for removing feldspar by flotation of quartz sand. Background technique [0003] Quartz sand resource, because it contains a lot of impurities such as feldspar, aluminum and iron content is high, and the SiO2 content in the original sand is sometimes only 74%, which is far from meeting the requirements of the glass industry for the purity of quartz sand. The use of beneficiation methods to improve the purity of quartz sand is of great significance to the development and utilization of quartz sand resources. [0004] Feldspar is one of the main impurities in quartz sand, and the current flotation method is not ideal for the removal of feldspar. Contents of the invention [0005] In order to solve the above problems, the present invention provides a method for removing feldspar by quartz sand flotation, which adopts the following techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/00B03B1/00
Inventor 王维利范未峰
Owner 成都兴能新材料股份有限公司
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