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Feldspar and quartz flotation separation method

A quartz and feldspar technology, applied in the field of mineral flotation separation, can solve the problems of environmental pollution and high requirements for flotation equipment, and achieve the effect of reducing production costs, low requirements for flotation equipment and less environmental pollution.

Active Publication Date: 2014-04-23
XINJIANG RES INST OF NON FERROUS METALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a method for flotation separation of feldspar and quartz, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problem of flotation equipment existing in the hydrofluoric acid method and strong acid method for separating feldspar and quartz at home and abroad. High requirements and serious environmental pollution problems

Method used

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Effect test

Embodiment 1

[0014] Embodiment 1, the method for flotation separation of feldspar and quartz is carried out according to the following steps: the first step, the feldspar and quartz raw ore are firstly ground, and in the grinding process, 100g to 800g of carbonic acid is added per ton of feldspar and quartz raw ore Sodium meter: Add sodium carbonate to feldspar and quartz raw ore, and mix the ground feldspar and quartz raw ore with water to form a slurry with a mass concentration of 10% to 50%; in the second step, add 50g to 1000gN per ton of feldspar and quartz raw ore - Acyl sarcosine sodium meter Weigh N-acyl sarcosine sodium, prepare the weighed N-acyl sarcosine sodium water into a cleaning solution with a mass concentration of 5% to 10%, and add the cleaning solution to the pulp In the flotation machine, the raw ore pulp is obtained after stirring for 5 to 40 minutes in the flotation machine; in the third step, 10g to 1000g of collector A is added to the raw ore pulp in the flotation...

Embodiment 2

[0015] Embodiment 2, the method for feldspar and quartz flotation separation is carried out according to the following steps: the first step, the feldspar and quartz raw ore are first passed through ore grinding, and 100g or 800g of carbonic acid is added per ton of feldspar and quartz raw ore in the grinding process Sodium meter: Add sodium carbonate to feldspar and quartz raw ore, and mix the ground feldspar and quartz raw ore with water to form a slurry with a mass concentration of 10% or 50%; in the second step, add 50g or 1000gN per ton of feldspar and quartz raw ore -Acyl sarcosine sodium meter Weigh N-acyl sarcosine sodium, prepare the weighed N-acyl sarcosine sodium water into a cleaning solution with a mass concentration of 5% or 10%, and add the cleaning solution to the pulp In the flotation machine, the raw ore pulp is obtained after stirring for 5 minutes or 40 minutes; in the third step, 10g or 1000g of collector A is added to the raw ore pulp in the flotation ma...

Embodiment 3

[0016] Embodiment 3, the difference with the above-described embodiment is that after preparing the slurry and before the second step, add 100g to 1000g sodium carbonate per ton of feldspar and quartz raw ore to weigh the sodium carbonate, and take the weighed carbonic acid Prepare sodium carbonate aqueous solution with a mass concentration of 1% to 20% with sodium water, add the sodium carbonate aqueous solution to the pulp, stir and mix evenly, and then add the prepared cleaning solution to it.

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Abstract

The invention relates to the technical field of ore flotation separation, in particular to a feldspar and quartz flotation separation method. The feldspar and quartz flotation separation method comprises the following steps of firstly grinding feldspars and quartz, adding sodium carbonate into raw feldspars and quartz in the grinding process in proportion of 100-800g sodium carbonate per ton, and mixing the grinded raw feldspars and quartz with water to form pulp with the mass concentration ranging from 10% to 50%; adding 50-1000g N-acyl sodium cocoyl sarcosinate into per ton of raw feldspars and quartz to weigh the N-acyl sodium cocoyl sarcosinate. In the feldspar and quartz flotation separation process adopting the method, used medicaments can be naturally degraded, environmental pollution degree is low, the feldspar and quartz flotation separation method is environment-friendly and has low requirement for flotation separation devices, and further the production cost can be reduced.

Description

technical field [0001] The invention relates to the technical field of flotation separation of minerals, and relates to a method for flotation separation of feldspar and quartz. Background technique [0002] At present, there are two methods for separating feldspar and quartz at home and abroad: hydrofluoric acid method and strong acid method. Hydrofluoric acid method: the method of pre-cleaning the mineral surface with hydrofluoric acid in neutral pulp and then flotation separation: the method of pre-cleaning the mineral surface with hydrofluoric acid was commonly used in the flotation separation of feldspar and quartz at home and abroad before the 1970s method. Due to the serious environmental pollution caused by hydrofluoric acid, this process has been eliminated at present. The method of cleaning the mineral surface with hydrofluoric acid in advance is to clean the mineral surface with hydrofluoric acid in neutral pulp, and then separate feldspar and quartz by flotatio...

Claims

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Application Information

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IPC IPC(8): B03D1/02B03D1/018
Inventor 纪国平唐向阳王亚洲庄杜娟
Owner XINJIANG RES INST OF NON FERROUS METALS
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