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Direct electrochemical process of preparing ferrate

A ferrate, electrochemical technology, applied in the electrolysis process, electrolysis components, etc., can solve problems affecting product costs and market potential, and achieve the effects of improving electrolysis efficiency, reducing preparation costs, and low energy consumption

Inactive Publication Date: 2006-03-01
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Another problem with electrolysis is energy consumption, which directly affects the cost and market potential of the product

Method used

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  • Direct electrochemical process of preparing ferrate
  • Direct electrochemical process of preparing ferrate
  • Direct electrochemical process of preparing ferrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, the NaOH solution of preparation 16mol / L is anolyte, and the NaOH solution of 2mol / L is catholyte, and control electrolyte temperature is at 40 ℃, and applied voltage is 8.5V, obtains sodium ferrate concentration after electrolysis 69min is 22.14g / L.

Embodiment 2

[0026] Embodiment 2, the NaOH solution of preparation 15mol / L is anolyte, and the NaOH solution of 2mol / L is catholyte, and control electrolyte temperature is at 40 ℃, and applied voltage is 10.8V, obtains sodium ferrate concentration after electrolysis 60min is 22.99g / L.

Embodiment 3

[0027] Embodiment 3, the NaOH solution of preparation 15mol / L is anolyte, the NaOH solution of 2mol / L is catholyte, controls electrolyte temperature at 35 ℃, and applied voltage is 8.5V, obtains sodium ferrate concentration after electrolysis 70min is 18.66g / L.

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Abstract

The present invention belongs to the field of chemical preparing technology, and is especially direct electrochemical process of preparing ferrate. The preparation process prepares ferrate inside one diaphragm type cylindrical electrolytic bath with pure sodium hydroxide as electrolyte. While controlling electrolyte concentration, reaction temperature and applied voltage, high concentration sodium ferrate solution is first prepared, and potassium ferrate or barium ferrate is then prepared via adding potassium ion or barium ion. The present invention has simple technological process and low cost, and is suitable for large scale preparation of ferrate.

Description

technical field [0001] The invention belongs to the technical field of medicament preparation technology, and in particular relates to a method for directly electrochemically preparing ferrate. Background technique [0002] Ferrate refers to hexavalent iron compound and is the only stable high-valent iron compound. Owing to the many unique properties of ferrate, it has received increasing attention in various applications in recent years. First of all, ferrate has strong oxidizing properties, and the final product of the reaction with organic matter is non-toxic and harmless ferric ions. It can be used as a multifunctional green water treatment chemical agent integrating oxidation, flocculation, sterilization and disinfection; Not only that, the super iron battery with ferrate as the cathode material is very attractive for its large capacity, good chargeability, strong conductivity, and environmental friendliness; in organic synthesis, ferrate has the characteristics of sel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B1/00
Inventor 侯惠奇郑璐张仁熙董文博
Owner FUDAN UNIV
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