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Gold tailing curing agent as well as preparation method and use method thereof

A technology of gold tailings and curing agent, applied in the field of environmental engineering, can solve the problems of non-compliance with the national policy of building a resource-saving society, the encroachment and waste of land resources, etc., and achieve good curing stability, low cost, stability and strength enhancement. Effect

Inactive Publication Date: 2020-11-03
虞克夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The construction of tailings ponds consumes land, and road filling and land destruction are undoubtedly encroaching and wasting the land resources that people rely on for survival, which is not in line with the national policy of building a resource-saving society

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The gold tailings solidifying agent of the present embodiment is made up of phosphate rock, quartz tailings slag, carbide slag and congealing stone, and composition is phosphorite by mass ratio: quartz tailings slag: carbide slag: congealing stone=1:1:1 : 1:1 for mixing;

[0031] Among them, the phosphorus grade of phosphate rock is 22%, and the Ca(OH) of carbide slag 2 The grade is 62%, and the particle size of phosphate rock, quartz tailing slag, carbide slag and congealing stone is ≤100 mesh.

[0032] The composition of phosphate rock is: 22% of fluoroapatite, 32% of quartz, 16% of dolomite; the composition of quartz tailings is: 87% of silicon dioxide, 1.2% of aluminum trioxide, calcium oxide 0.19%; calcium carbide slag contains the following components by mass percentage: 65% calcium oxide, 6% quartz, 3% magnesium oxide, 0.50% aluminum oxide, 1% iron oxide; condensate is the activator, which is composed of steel slag, slag, pulverized coal It is composed of one o...

Embodiment 2

[0041] The gold tailings solidifying agent of the present embodiment is made up of phosphate rock, quartz tailings slag, carbide slag and congealing stone, and composition is phosphorite by mass ratio: quartz tailings slag: carbide slag: congealing stone=2:1:2 : 3 for mixing; wherein, the phosphorus grade of phosphate rock is 25%, and the Ca(OH) of calcium carbide slag 2 The grade is 67%, and the particle size of phosphate rock, quartz tailing slag, carbide slag and congealing stone is ≤100 mesh.

[0042] The composition of phosphate rock is: 25% of fluoroapatite, 21% of quartz, 48% of dolomite; the composition of quartz tailings is: 89.5% of silica, 1.3% of alumina, calcium oxide 0.19%; calcium carbide slag contains the following components by mass percentage: 67% calcium oxide, 7.23% quartz, 2.90% magnesium oxide, 0.6% aluminum oxide, 1.8% iron oxide; condensate is the activator, composed of steel slag, slag, pulverized coal It is composed of one or more industrial wastes o...

Embodiment 3

[0051] The gold tailings solidifying agent of the present embodiment is made up of phosphate rock, quartz tailings slag, carbide slag and congealing stone, and composition is phosphorite by mass ratio: quartz tailings slag: carbide slag: congealing stone=1:1:3 : 3 for mixing; wherein, the phosphorus grade of phosphate rock is 29%, and the Ca(OH) of calcium carbide slag 2 The grade is 71%, and the particle size of phosphate rock, quartz tailing slag, carbide slag and congealing stone is ≤100 mesh.

[0052] The composition of phosphate rock is: 29% of fluorapatite, 19.2% of quartz, 49% of dolomite; the composition of quartz tailings is: 89.5% of silicon dioxide, 1.5% of alumina, calcium oxide 0.23%; calcium carbide slag contains the following components by mass percentage: 67% calcium oxide, 7.23% quartz, 2.90% magnesium oxide, 0.6% aluminum oxide, 1.80% iron oxide; condensate is the activator, which is composed of steel slag, slag, pulverized coal It is composed of one or more...

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Abstract

The invention relates to a golden gold tailing curing agent, a preparation method and a use method, and belongs to the technical field of environmental engineering. The golden gold tailing curing agent comprises phosphate ore, quartz tailing slag, carbide slag and coagulated stone according to a mass ratio of (1-3) : (1-3) : (1-3.5) : (1-4); the preparation method comprises the following steps: respectively washing, drying, crushing and grinding the phosphate ore, quartz tailing slag and carbide slag, and grinding and treating the coagulated stone; and uniformly mixing all the components. Theusing method of the gold tailing curing agent comprises the steps that gold tailings and the added gold tailing curing agent are stirred to be uniform in proportion, curing is achieved, the compressive strength can reach 61-82.8 KPa after the gold tailings and the added gold tailing curing agent are stacked in a normal-temperature and normal-pressure field for three days, and the pH of leachate ranges from 6.9 to 8.35. The gold tailing curing agent adopts solid waste as a raw material, treats waste with waste, and is wide in raw material source and low in cost, and the cured golden gold tailings are used as soil for road filling.

Description

technical field [0001] The invention belongs to the technical field of environmental engineering, and in particular relates to a gold tailings curing agent, a preparation method and a use method. Background technique [0002] Gold tailings, phosphate rock and quartz tailings slag are the wastes that are discharged in the tailings pond after grinding the ore finely and selecting useful components under the specific economic technology of the concentrator, that is, the ore is not separated after separation. Fully utilized solid waste is commonly referred to as tailings or tailings slag. [0003] The gold tailings are weakly alkaline, and the main component of the tailings is SiO 2 and CaO, while containing a certain amount of Fe 2 o 3 、Ai 2 o 3 , MgO, etc. [0004] At present, the main ways to deal with gold tailings are: tailings stockpiling, incineration, biological method and natural degradation method; the treatment and utilization methods of tailings include: second...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/006C04B18/12C04B18/0481C04B22/064C04B22/147C04B12/04
Inventor 虞克夫
Owner 虞克夫
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