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Method for preparing Cu2O particles

A particle and solution technology, applied in the field of preparation of Cu2O particles, can solve problems such as poor adsorption capacity

Inactive Publication Date: 2018-12-18
QIDONG CHUANGLU NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the same conditions, the adsorption capacity of particles for eosin, methylene blue and methyl orange is very poor, and the highest adsorption rate is only about 10%.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] a Cu 2 The preparation method of O particles comprises the steps of: dissolving 15 parts of copper chloride dihydrate and 20 parts of polyethylene glycol into 95 parts of deionized water under ultrasonic stirring to form solution A; dissolving 30 parts of NaOH particles into 80 parts Sodium hydroxide aqueous solution was obtained in deionized water; 10 parts of deionized water was added to 25 parts of hydrazine hydrate solution to obtain a reducing agent; at 30°C, 15 parts of NaOH solution was dripped into solution A at a rate of 2 drops / s, Under the condition of continuous magnetic stirring, add 8 parts of hydrazine hydrate solution dropwise, stop the magnetic stirring after reacting for 45 minutes and leave the solution to find that reddish brown product is produced at the bottom of the beaker, and use centrifugal technology to collect the reddish brown product in the beaker. It was washed successively with deionized water and absolute ethanol four times respectively,...

Embodiment 2

[0015] a Cu 2 The preparation method of O particles comprises the steps of: dissolving 10 parts of copper chloride dihydrate and 15 parts of polyethylene glycol into 90 parts of deionized water under ultrasonic stirring to form solution A; dissolving 25 parts of NaOH particles into 75 parts Sodium hydroxide aqueous solution was obtained in deionized water; 5 parts of deionized water were added to 20 parts of hydrazine hydrate solution to obtain a reducing agent; at 25°C, 10 parts of NaOH solution was dripped into solution A at a rate of 2 drops / s, Under the condition of continuous magnetic stirring, add 5 parts of hydrazine hydrate solution dropwise, stop the magnetic stirring after reacting for 40 minutes and let the solution stand, and you will find that there is a reddish-brown product at the bottom of the beaker. Use centrifugal technology to collect the reddish-brown product in the beaker. It was washed three times with deionized water and absolute ethanol successively, a...

Embodiment 3

[0017] a Cu 2 The preparation method of O particle comprises the steps of: dissolving 20 parts of copper chloride dihydrate and 25 parts of polyethylene glycol into 100 parts of deionized water under ultrasonic stirring to form solution A; dissolving 35 parts of NaOH particles into 85 parts Sodium hydroxide aqueous solution was obtained in deionized water; 15 parts of deionized water was added to 30 parts of hydrazine hydrate solution to obtain a reducing agent; at 35°C, 20 parts of NaOH solution was dripped into solution A at a rate of 2 drops / s, Under the condition of continuous magnetic stirring, add 10 parts of hydrazine hydrate solution drop by drop, stop the magnetic stirring after reacting for 50 minutes and leave the solution to find that reddish-brown product is produced at the bottom of the beaker, and use centrifugal technology to collect the reddish-brown product in the beaker. It was washed successively with deionized water and absolute ethanol for 5 times, and dr...

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PUM

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Abstract

The invention discloses a method for preparing Cu2O particles. The method comprises the following steps: dissolving copper chloride dihydrate and polyethylene glycol in deionized water under an ultrasonic stirring condition to form a solution A; dissolving NaOH particles in deionized water to obtain an aqueous sodium hydroxide solution; adding deionized to a hydrazine hydrate solution to obtain areducing agent; dropwise adding the NaOH solution to the solution A at 25-35 DEG C, dropwise adding the hydrazine hydrate solution under a continuous magnetic stirring condition, carrying out a reaction for 40-50 min, stopping the magnetic stirring, standing the obtained solution to make a reddish-brown product generated at the bottom of a beaker, collecting the reddish-brown product in the beaker, successively cleaning the product with deionized water and anhydrous ethanol respectively 3-5 times, and drying the cleaned product to obtain the Cu2O particles. The Cu2O particles prepared by the method have a smooth surface, are an octahedral structure containing a large number of pores on the surface, have a good adsorption ability to methyl orange, and have a great application prospect.

Description

technical field [0001] The present invention relates to a Cu 2 O particle preparation method. Background technique [0002] In recent years, due to the rapid development of industry and the gradual improvement of the level of urbanization, water pollution is one of the problems that countries all over the world are facing urgently. Among all water pollutants, organic pollutants are not only widely distributed in water, but also have great harm and some are difficult to degrade. Therefore, the degradation of organic pollutants, especially the treatment of refractory organic pollutants, has always been an important research content in water treatment. Commonly used methods for degrading organic pollutants include adsorption, photocatalytic degradation, electrochemical, flocculation, and biodegradation. Among these methods, adsorption, as a low-energy solid-phase extraction separation method, has the advantages of simple operation, easy preparation of adsorbent, and low cost,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G3/02B01J20/06C02F1/28B01J20/30
CPCC01G3/02B01J20/06C02F1/281C02F2101/308
Inventor 不公告发明人
Owner QIDONG CHUANGLU NEW MATERIAL CO LTD