Silver cyanide manufacturing technology and equipment thereof

A manufacturing process and technology of silver cyanide, applied in metal cyanide and other directions, can solve the problems of polluted air, large loss of silver, low purity of silver cyanide, etc., and achieve the effect of improving production efficiency, reducing cost and reducing silver loss.

Inactive Publication Date: 2014-12-31
深圳市鑫鸿发环保设备有限公司
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This electrolytic method has a long production cycle, large loss of silver, and low purity of silver cyanide, which directly affects the...

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
  • Silver cyanide manufacturing technology and equipment thereof
  • Silver cyanide manufacturing technology and equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] A kind of silver cyanide manufacturing process that the embodiment of the present invention provides is characterized in that comprising the following steps:

[0018] (1) Chemically react the silver plate with nitric acid solution, the concentration of nitric acid is 60% to 80%, to make silver nitrate solution;

[0019] (2) Chemically react silver nitrate solution with cyanide solution to make silver cyanide and nitrate solution, wherein the concentration of cyanide solution is 120~135g / L, and the cyanide solution is potassium cyanide solution or sodium cyanide solution;

[0020] (3) Wash and separate silver cyanide and nitrate solution, thus completing the production of silver cyanide.

[0021] Such as figure 1 with figure 2 As shown, the equipment used in the above-mentioned silver cyanide manufacturing process provided by the embodiment of the present invention includes a first metering and dosing cylinder 11, a second metering and dosing cylinder 12, a silver me...

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 belongs to the technical field of silver cyanide manufacture, and provides a silver cyanide manufacturing technology and equipment thereof. The technology comprises the steps as follows: firstly, nitric acid and silver are subjected to chemical reaction, so as to prepare a silver nitrate solution, then the silver nitrate solution and cyanide solution (such as an editpotassium cyanide solution or a sodium cyanide solution) are subjected to chemical reaction, so as to prepare silver cyanide and a nitrate solution (such as a potassium nitrate solution or a sodium nitrate solution), and finally the sodium nitrate solution are washed and separated from each other, so that the production of silver cyanide is accomplished. The technology is pollution-free, nonhazardous and low in sliver loss during the whole production process, is high in purity and good in quality of produced silver cyanide, improves the production efficiency, reduces the cost, and also realizes energy conservation and environment protection.

Description

technical field [0001] The invention belongs to the technical field of silver cyanide production, and in particular relates to a silver cyanide production process and equipment thereof. Background technique [0002] At present, there are still electroplating enterprises using the electrolytic method to produce silver cyanide (commonly known as silver salt). The electrolytic method is to use the silver plate as the anode, cyanide as the electrolyte, and then directly use the anode to dissolve the anode into the electrolyte through direct current. solution for electroplating. This electrolytic method has a long production cycle, large loss of silver, and low purity of silver cyanide, which directly affects the life of the electroplating solution and the quality of the coating. In addition, cyanide pollutes the air and seriously affects people's health. Contents of the invention [0003] The purpose of the present invention is to overcome above-mentioned deficiencies in the...

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): C01C3/08
Inventor 蒋茂军甘思志
Owner 深圳市鑫鸿发环保设备有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap