Method for regulating replacement reaction in solution by magnetic field

A replacement reaction and solution technology, applied in chemical instruments and methods, chemical/physical/physical-chemical processes of applying energy, and improvement of process efficiency, etc. The effect of saving energy, reducing preparation cost, and huge benefit value

Inactive Publication Date: 2017-12-26
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the limitation of the activity, shape and solution concentration of the metal element, these replacement react

Method used

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  • Method for regulating replacement reaction in solution by magnetic field
  • Method for regulating replacement reaction in solution by magnetic field

Examples

Experimental program
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Example Embodiment

[0023] Example

[0024] First take 7.98g of anhydrous copper sulfate powder, prepare 250ml of copper sulfate solution with a concentration of 0.2mol / L, then take 10ml of copper sulfate solution and 0.18g of Zn particles, the diameter of the zinc particles is 2mm, and put them in a petri dish. Put the petri dish into the magnetic field environment provided by the permanent magnet, the magnetic field strength is 500Gs, the magnetic field gradient is 10T 2 / m. In addition, an identical reaction system was prepared and placed in a non-magnetic field environment. Take real-time photos and records of the reactions in the two environments, and the results are as follows figure 1 Shown.

[0025] figure 1 It is the color change diagram of copper sulfate solution with or without magnetic field. The left side is no magnetic field and the right side is magnetic field. The blue color is the color of Cu ions. The lighter color indicates that the copper ions are replaced and the concentration de...

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Abstract

The invention discloses a method for regulating a replacement reaction in a solution by a magnetic field. When a replacement reaction is generated in a solution, a magnetic field is extra added. According to the method, a magnetic field is extra added when a replacement reaction in a solution is generated, the potential difference between two reacting materials can be changed, and diffusion of ions in the solution toward a metal element can be influenced, so that the progress of the replacement reaction in the solution can be regulated. Time required by a replacement reaction in a solution can be greatly changed by utilizing an additional magnetic field under a condition of certain temperature. The method has a huge benefit value for reducing the reacting preparation cost, and accords with current development theme for saving energy and protecting environment.

Description

technical field [0001] The invention relates to the field of chemical replacement reactions, in particular to a method for regulating and controlling the replacement reactions in a solution by a magnetic field. Background technique [0002] The replacement reaction is a chemical reaction in which a simple substance reacts with a compound to form another simple substance and compound. It is one of the four basic reaction types in chemistry and covers a wide range of chemical fields. Among them, the reaction between simple metal and acid solution, or metal salt solution is more It is widely used in industrial production and environmental protection. For example, industrial copper smelting is a replacement reaction between iron and copper sulfate; heavy metal mercury ions in the environment are extremely toxic to the human body, and iron filings are often used to remove toxic mercury ions in wastewater treatment. Due to the limitations of the activity, morphology and solution ...

Claims

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Application Information

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IPC IPC(8): B01J19/08C22B3/46
CPCB01J19/087B01J2219/0871B01J2219/089C22B3/46Y02P10/20
Inventor 盛志高刘财兴卞跃成
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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