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

Technique for electrolyzing slurry of fluosilicic acid in bismuth mine

A technology of slurry electrolysis and fluorosilicic acid is applied in the refining field of bismuth, which can solve the problems of low efficiency and complicated operation, and achieve the effects of simplified equipment structure, simple process, and reduced cost and energy consumption.

Inactive Publication Date: 2003-05-07
HUNAN JINWANG BISMUTH
View PDF1 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coarse bismuth ingots must be made before electrolysis, so the operation is complicated and the efficiency is not high

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Technique for electrolyzing slurry of fluosilicic acid in bismuth mine
  • Technique for electrolyzing slurry of fluosilicic acid in bismuth mine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] The following embodiments will further describe the present invention in detail:

[0031] This implementation mode takes Xujiadong Fengrun Smelter as an example. The total construction area of ​​the production plant and power supply room of the project is 1000m 2 , the power supply is a 500KVA transformer.

[0032] The main equipment used in this embodiment is selected as:

[0033] 1. Pulp electrolytic slurry tank

[0034] Select Φ1500×2000mm (V 液 =3.5m 3 ) Two pulping tanks, motor power 2.2kw×2=4.4kw, made of acid-resistant steel bricks.

[0035] 2. Slurry electrolyzer

[0036] The size of the slurry electrolytic cell is 2000×1500×1750mm, the DC current intensity is 2700A, and the electrolysis time is 1.25 times of the theoretical electrolysis time of bismuth, so the daily concentrate volume of a single tank is 2700×2.6÷100×22÷1.25÷20%=618kg / d tank; number of pulp electrolyzers: 7.41×2252÷618=18, divided into three rows, each row with 9 electrolyzers connected i...

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

A process for electrolyzing the fluorosilicic acid sludge of bismuth ore concentrate to obtain high-purity (99.999%) bis muth includes such steps as preparing sludge, adding hydrochloric acid to regualte acidity, electrolyzing to educe out spongy bismuth from the cathode, pressure filter, smelting, and removing impurities by introducing chlorine gas and sodium hydroxide. Its advantages are low cost and energy consumption, and high quality of product.

Description

technical field [0001] The invention relates to a bismuth refining method; in particular, it relates to a bismuth ore fluorosilicate slurry electrolysis process. Background technique [0002] Bismuth is in group 5 of the periodic table, its chemical atomic weight is 208.9804, and the outer electron is 6S 2 6P 3 , usually shown as +3 valence and +5 valence, and in a few cases it is shown as +2 valence, +1 valence, -3 valence and -1 valence; metal bismuth is a silver-gray shiny solid, brittle, easy to break, and hard. The specific gravity is 9.78, soluble in dilute HNO 3 , hot H 2 SO 4 and concentrated hydrochloric acid. Scientist Georgius Agricoq first noticed the presence of bismuth in melts of the ore. However, it was not until the smelting of bismuth in the eighteenth century that bismuth was confirmed as an element. In the last century, it was first discovered that bismuth compounds have an analgesic effect on gastric diseases. So far, bismuth compounds are still ...

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): C25C1/22
CPCY02P10/20
Inventor 吴祖祥戴建国曹宏武
Owner HUNAN JINWANG BISMUTH
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

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com