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A copper tungstate material for adsorption and a preparing method thereof

An adsorption material, copper tungstate technology, applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc. low cost effect

Inactive Publication Date: 2018-03-09
长沙埃比林环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a certain distance between the general and practical application of common adsorbents for xanthate wastewater

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Mix copper sulfate and deionized water at a ratio of 1:5, and then sonicate for 5 minutes to obtain a primary solution. Mix sodium tungstate and deionized water at a ratio of 1.2:5, and then sonicate for 5 minutes to obtain a secondary solution. The primary solution and the secondary solution were mixed according to a ratio of 1:1, and then sonicated for 1 hour to obtain a mixed solution. The mixed solution was aged for 12 hours, the aged solution was filtered, washed 3 times with deionized water, and then dried at a drying temperature of 70° C. and a drying time of 2 hours to obtain a primary solid product; The primary solid product is put into a roasting furnace for roasting, the roasting temperature is 500°C, and the roasting time is 2 hours, and then the copper tungstate adsorption material is obtained. The copper tungstate adsorption material, the content of CuO is 52-61wt%, WO 2 The content of copper tungstate is 25-30wt%, and the average particle size of copper...

Embodiment 2

[0027] Mix copper sulfate and deionized water at a ratio of 1.5:5.5, and then sonicate for 6 minutes to obtain a primary solution. Sodium tungstate and deionized water were mixed at a ratio of 1.4:5.5, and then ultrasonicated for 7 minutes to obtain a secondary solution. The primary solution and the secondary solution were mixed at a ratio of 1:1, and then sonicated for 1.5 hours to obtain a mixed solution. The mixed solution was aged for 13 hours, the aged solution was filtered, washed 4 times with deionized water, and then dried at a drying temperature of 75° C. and a drying time of 2.5 hours to obtain a primary solid product; The primary solid product is put into a roasting furnace for roasting, the roasting temperature is 600°C, and the roasting time is 2.5 hours, and then the copper tungstate adsorption material is obtained. The copper tungstate adsorption material, the content of CuO is 52-61wt%, WO 2 The content of copper tungstate is 25-30wt%, and the average particl...

Embodiment 3

[0029] Mix copper sulfate and deionized water at a ratio of 2:6, and then sonicate for 8 minutes to obtain a primary solution. Mix sodium tungstate and deionized water at a ratio of 1.5:6, and then sonicate for 8 minutes to obtain a secondary solution. The primary solution and the secondary solution were mixed according to a ratio of 1:1, and then sonicated for 2 hours to obtain a mixed solution. The mixed solution was aged for 14 hours, the aged solution was filtered, washed 5 times with deionized water, and then dried at a drying temperature of 80° C. and a drying time of 3 hours to obtain a primary solid product; the The primary solid product is put into a roasting furnace for roasting, the roasting temperature is 800°C, and the roasting time is 3 hours, and then the copper tungstate adsorption material is obtained. The copper tungstate adsorption material, the content of CuO is 52-61wt%, WO 2 The content of copper tungstate is 25-30wt%, and the average particle diameter ...

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PUM

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Abstract

The invention relates to a copper tungstate material for adsorption. The content of CuO is 52-61 wt%, the content of WO2 is 25-30 wt%, and the average particle size of copper tungstate particles is 0.4-0.6 mum. The method includes mixing copper sulfate with deionized water and performing ultrasonic treatment for a certain period of time to obtain a primary solution; mixing sodium tungstate and deionized water and performing ultrasonic treatment for a certain period of time to obtain a secondary solution; mixing the primary solution and the secondary solution, and performing ultrasonic treatment for a certain period of time to obtain a mixture solution; ageing the mixture solution; filtering the aged mixture solution, washing an obtained product, and drying the product for a certain periodof time to obtain a primary solid product; and calcinating the primary solid product in a calcinatory to obtain the copper tungstate material for adsorption. The copper tungstate material for adsorption is low in impurity contents, high in purity, good in particle size uniformity, and has good xanthate absorbing capability.

Description

technical field [0001] The invention relates to the environmental protection field of mineral processing wastewater treatment, in particular to a copper tungstate adsorption material and a preparation method thereof. Background technique [0002] Since my country's reform and opening up, with the introduction of foreign technology and the maturation of the domestic market environment, in the past 30 years, the industry has developed rapidly. The rapid development of industry has promoted economic take-off, but it cannot be ignored that for a long time, the heavy industrialization of my country's industrial structure has led to high consumption of resources and energy, and high pollution to the environment. The hazards of air pollution and industrial wastewater have seriously affected people's health. Pollution has become the biggest livelihood issue, and it is imperative to adjust the industrial structure and strictly reduce energy conservation and emission reduction. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/02B01J20/30C02F1/28
CPCB01J20/0237C02F1/281
Inventor 不公告发明人
Owner 长沙埃比林环保科技有限公司
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