TWI449673B - Method of forming copper-containing oxide - Google Patents

Description

Method for forming copper-containing oxide

This invention relates to a method of forming a mixture, and more particularly to a method of forming a copper-containing oxide.

At present, the main methods for producing copper-containing oxides are as follows. The first way is to use an acidic or alkaline solution containing copper ions. A solution of reducible copper such as sodium hydroxide, sodium carbonate, ammonium hydrogencarbonate, aqueous ammonia, urea or sodium borohydride is provided, and poured into a receiving tank and mixed by stirring. The second way is to pour the acidic or alkaline solution containing copper ions into another solution of reducible copper and mix by stirring. The third way is to pour another ionic solution into an acidic or alkaline solution containing copper ions and mix by stirring. However, in the process of mixing the three kinds of copper-containing oxides, the acid-base concentration value of the mixture is continuously changed, which may cause the formation of the copper-containing oxide to have a concentration, particle size and composition unevenness.

The invention provides a method for forming a copper-containing oxide, which can regularly and continuously mix a solution containing a copper ion acidic or alkaline solution and a reducible copper, such as sodium hydroxide, sodium carbonate and carbonic acid, during the preparation process. Ammonium hydroxide, ammonia water, urea or sodium borohydride, etc., to achieve uniformity of concentration, temperature and speed.

The present invention provides a method of forming a copper-containing oxide comprising the following steps. A static type mixing device is provided. The static mixing and stirring device has a first fluid injection port, a second fluid injection port, an agitating body and a fluid outlet, wherein the first fluid injection port, the second fluid injection port, the agitating body and the fluid outlet are connected to each other. . An acidic or alkaline solution containing copper ions is provided. A solution of reducible copper is provided. The solution containing the copper ion acidic or alkaline solution and the reducible copper is injected into the first fluid injection port and the second fluid injection port respectively, and the solution containing the copper ion acidic or alkaline solution and the reducible copper is stirred through the stirring body. A copper-containing oxide is formed at the fluid output port.

In an embodiment of the invention, the above-mentioned copper ion acidic or alkaline solution comprises a copper sulfate solution, copper chloride, copper oxychloride or copper acetate.

In an embodiment of the invention, the solution of the reducible copper comprises sodium hydroxide solution, sodium carbonate solution, ammonium hydrogencarbonate, ammonia water, urea or sodium borohydride.

In an embodiment of the invention, the copper-containing oxide comprises copper oxide, cuprous oxide or basic copper carbonate.

In an embodiment of the invention, the method for forming a copper-containing oxide further comprises providing a solution of another reducible copper, and the solution of another reducible copper comprises a sodium hydroxide solution, a sodium carbonate solution, and an ammonium hydrogencarbonate solution. Ammonia water, urea or sodium borohydride, wherein the static type mixing and stirring device further comprises a third fluid injection port, respectively injecting a solution containing a copper ion acidic or alkaline solution, a reducible copper solution and another reducible copper solution. a fluid injection port and a second fluid injection port and a third fluid injection port.

Based on the above, the method for forming a copper-containing oxide of the present invention is to inject a solution containing a copper ion acidic or alkaline solution and reducible copper into a static type mixing and stirring device, and the stirring body of the static type mixing and stirring device is regular and A solution containing a copper ion acidic or basic solution and a reducible copper is continuously mixed to form a copper oxide having a uniform concentration.

The above described features and advantages of the present invention will be more apparent from the following description.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic cross-sectional view showing a method of forming a copper-containing oxide of the present invention. Referring to FIG. 1, according to the method for forming a copper-containing oxide of the present embodiment, first, a static type mixing and stirring device 110 is provided. In this embodiment, the static mixing and stirring device 110 has a first fluid injection port 112, a second fluid injection port 114, a stirring body 116, and a fluid output port 118, wherein the first fluid injection port 112, the second The fluid injection port 114, the agitation body 116, and the fluid output port 118 are in communication with each other.

Next, a copper-containing acidic or basic solution F1 is provided, wherein the copper-containing acidic or basic solution F1 is, for example, a copper sulfate solution, copper chloride, copper copper or copper acetate.

Next, a solution F2 of reducible copper is provided, wherein a solution F2 of copper can be reduced, such as sodium hydroxide, sodium carbonate, ammonium hydrogencarbonate, aqueous ammonia, urea or sodium borohydride, and the like.

Thereafter, the copper ion-containing acidic or basic solution F1 and the reducible copper solution F2 are respectively injected into the first fluid injection port 112 and the second fluid injection port 114 of the static mixing and stirring device 110, and the copper is stirred by the stirring body 116. The ionic acidic or basic solution F1 and the reducible copper solution F2 form a copper-containing oxide M1 at the fluid output port 118. Here, the copper-containing oxide M1 is, for example, copper oxide, cuprous oxide or basic copper carbonate. So far, the production of copper-containing oxide M1 has been completed.

It should be noted that the agitating body 116 may have a plurality of barrier sheets (not shown) or stirring blades (not shown) through which the copper ion acidic or alkaline solution F1 and the reducible copper solution F2 can pass. Or the stirring blade is stirred regularly and continuously to form a copper-containing oxide M1 having a uniform concentration. In the process of stirring and mixing, the concentration, temperature and speed of the mixture of the copper-containing acidic or basic solution F1 and the reducible copper solution F2 located in the stirring body 116 can be uniformized. As a result, the copper-containing oxide M1 produced at the fluid output port 118 can have a better concentration uniformity.

Hereinafter, a method of forming a copper-containing oxide will be described using an embodiment. It is to be noted that the following embodiments use the same reference numerals and parts of the above-mentioned embodiments, and the same reference numerals are used to refer to the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted portions, reference may be made to the foregoing embodiments, and the following embodiments are not repeated.

2 is a schematic cross-sectional view showing another method of forming a copper-containing oxide of the present invention. Referring to FIG. 2, the method for forming a copper-containing oxide of the present embodiment is similar to the method for forming a copper-containing oxide of FIG. 1I, except that the present embodiment further includes providing a solution of another reducible copper. For example, sodium hydroxide, sodium carbonate, ammonium hydrogencarbonate, ammonia water, urea or sodium borohydride, etc., and the static type mixing and stirring device 110a may include a third fluid injection port 119, wherein the third fluid injection port 119 and the first fluid injection The inlet 112, the second fluid injection port 114, the agitation body 116, and the fluid output port 118 are in communication with each other. And, a solution F3 containing a copper ion acidic or alkaline solution F1, a reducible copper solution, and another solution F3 of another reducible copper are injected into the first fluid injection port 112, the second fluid injection port, and the third fluid injection port 119, respectively. The copper-containing acidic or basic solution F1, the reducible copper solution F2 and the other reducible copper solution F3 are stirred by the stirring body 116, and a copper-containing oxide M2 is formed at the fluid output port 118. So far, the production of the copper-containing oxide M2 has been completed.

In summary, the method for forming a copper-containing oxide of the present invention is to inject a solution containing a copper ion acidic or alkaline solution and a reducible copper into a static type mixing and agitating device, and a stirring body rule through a static type mixing and stirring device. And continuously and continuously mix the solution containing copper ion acidic or alkaline solution and reducible copper, so as to achieve uniformity in concentration, temperature and speed during the mixing process, and form uniform concentration, particle size and composition. Copper-containing oxide.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

110, 110a. . . Static mixing device

112. . . First fluid injection port

114. . . Second fluid injection port

116. . . Stirring body

118. . . Fluid outlet

119. . . Third fluid injection port

F1. . . Acid or alkaline solution containing copper ions

F2. . . Reducible copper solution

F3. . . Another solution of reducible copper

M1, M2. . . Copper oxide

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic cross-sectional view showing a method of forming a copper-containing oxide of the present invention.

2 is a schematic cross-sectional view showing another method of forming a copper-containing oxide of the present invention.

110. . . Static mixing device

112. . . First fluid injection port

114. . . Second fluid injection port

116. . . Stirring body

118. . . Fluid outlet

F1. . . Acid or alkaline solution containing copper ions

F2. . . Reducible copper solution

M1. . . Copper oxide

Claims (5)

A method for forming a copper-containing oxide, comprising: providing a static type mixing and stirring device, wherein the static mixing and stirring device has a first fluid injection port, a second fluid injection port, a stirring body, and a fluid outlet, wherein The first fluid injection port, the second fluid injection port, the agitation body and the fluid outlet are connected to each other; an acidic or alkaline solution containing copper ions is provided; a solution of reducible copper is provided; and the copper is separately provided The ionic acidic or alkaline solution and the reducible copper solution are injected into the first fluid injection port and the second fluid injection port, and the copper ion acidic or alkaline solution and the reducible copper solution are stirred through the stirring body. And forming a copper-containing oxide at the fluid outlet. The method for forming a copper-containing oxide according to claim 1, wherein the copper ion-containing acidic or alkaline solution comprises a copper sulfate solution, copper chloride, copper copper or copper acetate. The method for forming a copper-containing oxide according to claim 1, wherein the solution of the reducible copper comprises sodium hydroxide, sodium carbonate, ammonium hydrogencarbonate, ammonia water, urea or sodium borohydride. The method for forming a copper-containing oxide according to claim 1, wherein the copper-containing oxide comprises copper oxide, cuprous oxide or basic copper carbonate. The method for forming a copper-containing oxide according to claim 1, further comprising providing another solution of reducible copper, the solution of the other reducible copper comprising sodium hydroxide, sodium carbonate, ammonium hydrogencarbonate, ammonia water. And urea or sodium borohydride, wherein the static type mixing and stirring device comprises a third fluid injection port, and the copper ion acidic or alkaline solution, the reducible copper solution and the other reducible copper solution respectively The first fluid injection port and the second fluid injection port and the third fluid injection port are injected.