Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for preparing molten-salt electrolyte containing low-valent titanium chloride and method for extracting titanium

A molten salt electrolyte and chloride technology, applied in the field of molten salt electrolytic extraction of titanium, can solve the problems of incomplete reaction, corrosion of equipment, pollution of molten salt electrolyte, etc., and achieve the effect of continuous process and high reaction rate

Inactive Publication Date: 2013-06-12
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
View PDF10 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the incomplete reaction, polluted molten salt electrolyte, TiCl 4 corrosion equipment etc., the present invention provides a method for preparing molten salt electrolyte containing low-valent titanium chloride to overcome at least one of these problems

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0014] A method for preparing a low-valent titanium chloride-containing molten salt electrolyte according to an aspect of the present invention includes the following steps: mixing an alkali metal chloride and / or an alkaline earth metal chloride with a predetermined amount of a metal chloride to form a mixture, wherein the The standard electrode potential of the metal ion in the metal chloride is positive than the standard electrode potential of the divalent or trivalent titanium ion; the electrode containing metal titanium is used as the anode, and the mixture is used as the molten salt electrolyte, and the cathode is configured for electrolysis to All the metal chlorides in the mixture are deposited on the cathode, and the obtained molten salt is the molten salt electrolyte containing low-valent titanium chloride.

[0015] Wherein, the compounding amount of the metal chloride (or in other words, the content of the metal chloride in the mixture) can be adjusted according to th...

example 1

[0028] Mix 550g potassium chloride and 440g sodium chloride (molar ratio is 1:1), add 5% copper chloride and mix well, dry at 120°C and put it into the reactor, after assembling the cathode and anode, Carry out vacuum dehydration at 300°C for 5 hours, then pour in argon, and raise the temperature to 750°C under an argon protective atmosphere to melt the electrolyte, then connect the cathode and anode power supply, the current intensity is 20A, and the anode current density is 0.1A / cm 2 Implement electrolysis and detect the content of copper ions in the molten salt system. When the concentration is zero, stop power transmission, pull out the anode and cathode, and measure the concentration of total titanium in the system to be 1.8%, and the valence state to be +2.

example 2

[0030] Mix 550g lithium chloride and 440g sodium chloride (1:1 molar ratio), add 8% NiCl 2 After mixing, dry it at 120°C and put it into the reactor. After assembling the cathode and anode, carry out vacuum dehydration at 300°C for 5 hours, then fill it with argon, and raise the temperature to 450°C under the protective atmosphere of argon to make the electrolyte After melting, turn on the cathode and anode power supply, the current intensity is 20A, and the anode current density is 0.5A / cm 2 Implement electrolysis and detect the content of nickel ions in the molten salt system. When the concentration is zero, stop power transmission, pull out the cathode and anode, and measure the total titanium concentration of the system to be 2%, and the valence state to be +3.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a method for preparing molten-salt electrolyte containing low-valent titanium chloride and a method for extracting titanium. The method for preparing molten-salt electrolyte comprises the following steps: mixing alkali chloride and / or alkaline-earth metal chloride with a pre-set amount of metal chloride to form mixture, wherein the standard electrode potential of metal ions in the metal chloride is more positive than the standard electrode potential of divalent or trivalent titanium ion; with the electrode containing the metal titanium as an anode and the mixture as molten-salt electrolyte, configuring a cathode and electrolyzing so that all the metal chloride in the mixture is deposited on the cathode, wherein the obtained molten salt is the molten-salt electrolyte containing the low-valent titanium chloride. The method disclosed by the invention has the beneficial effects that the molten-salt electrolyte containing low-valent titanium chloride can be prepared under the conditions that the molten-salt electrolyte is not polluted and test devices are not corroded, the reaction rate is high, and the technical processes are continuous.

Description

technical field [0001] The present invention relates to the technical field of molten salt electrolytically extracting titanium, more specifically, to a method for preparing a molten salt electrolyte containing low-valent titanium chloride and a method for using the molten salt electrolyte containing low-valent titanium chloride as molten Salt electrolyte to extract titanium method. Background technique [0002] At present, compared with the current magnesium reduction process (Kroll method), the molten salt electrolytic extraction of titanium has the advantages of short process flow, low production cost, and environmental friendliness. Therefore, it has been studied by many scientific research institutions at home and abroad, thus forming titanium oxide, titanium A series of new processes for extracting titanium by molten salt electrolysis such as chloride electrolysis and waste titanium electrolysis refining. [0003] Generally, the molten salt system for molten salt elec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C25C3/28
Inventor 朱福兴穆天柱邓斌彭卫星
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products