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Process and device used for preparing ferrate salt with on-line wet chemical method

A ferrate, wet chemical technology, applied in chemical instruments and methods, inorganic chemistry, iron compounds, etc., can solve the problems of high cost, instability, harsh preparation conditions, etc., achieve high production efficiency, good stability, The effect of low production cost

Inactive Publication Date: 2013-04-24
NORTHEAST DIANLI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In summary, although ferrate is known as a "green" chemical, there are two main factors restricting its application. One is the harsh preparation conditions and high cost; the other is its instability, especially in wet conditions. unstable

Method used

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  • Process and device used for preparing ferrate salt with on-line wet chemical method
  • Process and device used for preparing ferrate salt with on-line wet chemical method
  • Process and device used for preparing ferrate salt with on-line wet chemical method

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Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1: a kind of on-line wet chemical method of embodiment 1 prepares the device of ferrate, it comprises the first storage tank 1 with the first agitator 6-1, conveyer belt 14, has the second agitator 6-2 The second storage tank 2 and the annular pipe 11, the liquid outlet of the first storage tank 1 passes through the pipeline and the first valve 8-1 and the first metering pump 9-1 arranged on the pipeline and the top of the second storage tank 2 The outlet of the conveyor belt 14 is connected to the top of the second storage tank 2, and the liquid outlet of the second storage tank 2 passes through the pipeline and the second valve 8-2 and the second metering pump 9-2 provided on the pipeline. It communicates with the liquid inlet of the annular pipe 11.

Embodiment 2

[0027] Embodiment 2: a kind of online wet chemical method of embodiment 2 prepares the device of ferrate, it comprises the first storage tank 1 with the first agitator 6-1, the 3rd storage tank with the 3rd agitator 6-3 Tank 3, static mixer 13 and annular pipe 11, the liquid outlet of the first storage tank 1 passes through the pipeline and the first valve 8-1 and the first metering pump 9-1 arranged on the pipeline, the third storage tank The liquid outlet of the tank 3 is communicated with the liquid inlet of the static mixer 13 through the three-way pipeline 15 through the third valve 8-3 and the third metering pump 9-3 arranged on the pipeline and the pipeline, and the liquid of the static mixer 13 The outlet communicates with the liquid inlet of the annular pipe 11 through the pipeline and the second metering pump 9-2 provided on the pipeline.

Embodiment 3

[0028] Embodiment 3: a kind of online wet chemical method of embodiment 3 prepares the device of ferrate, it comprises the first storage tank 1 that has the first agitator 6-1, has the 3rd storage tank 6-3 of the 3rd agitator Tank 3, the second storage tank 2 with the second agitator 6-2 and the annular pipe 11, the liquid outlet of the first storage tank 1 passes through the pipeline and the first valve 8-1 and the first metering valve provided on the pipeline Pump 9-1, the liquid outlet of the third storage tank 3 passes through the pipeline and the third valve 8-3 provided on the pipeline and the third metering pump 9-3 all pass through the three-way pipeline 15 and have the second agitator 6-2, the top of the second storage tank 2 is connected, and the liquid outlet of the second storage tank 2 passes through the pipeline and the second valve 8-2 set on the pipeline and the second metering pump 9-2 and the ring pipe 11. The liquid inlet is connected.

[0029] The device ...

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Abstract

The invention relates to a process used for preparing ferrate salt with an on-line wet chemical method. The process is characterized in that a mixed solution of NaOH and NaClO of a first storage tank and solid FeNO3 delivered by a conveyer belt or a FeNO3 solution of a third storage tank are delivered into a second mixing storage tank or a static mixer and are sufficiently mixed, such that a reaction mixed liquid is obtained. The reaction mixed liquid is delivered into an annular pipe, and ferrate salt liquid product is obtained from a liquid outlet of the annular pipe. The invention also provides a device suitable for the process. With the process and the device, liquid ferrate salt can be produced on line intermittently or continuously, and waste caused by ferrate salt purification and re-dissolving is avoided. The process and the device have the advantages such as reasonable structure, high production efficiency, low preparation cost, and the like.

Description

technical field [0001] The invention relates to a preparation method of an inorganic chemical material, in particular to a process and a device for preparing ferrate by an online wet chemical method. Background technique [0002] Ferrate has strong oxidizing properties due to the valence of iron being +6. In alkaline solution, its redox potential is 0.72V, and in acidic solution, its redox potential is 2.2V. Ferrate has a wide range of applications. It can replace other highly toxic oxides in organic synthesis and selectively oxidize certain functional groups. For example, it can oxidize primary and secondary alcohols to aldehydes and ketones, respectively. Due to FeO 4 2- It has high discharge capacity, so it has received great attention in the field of batteries, and it is expected to replace the cathode materials in traditional batteries. Ferrate can also be used as an ideal magnetic memory material to prepare a magnetically controlled release system with ferrate as th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G49/00
Inventor 孙旭辉李文超王磊
Owner NORTHEAST DIANLI UNIVERSITY
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