Multi-component linkage extraction separation flow design system and design method

A design system, multi-component technology, applied in design optimization/simulation, liquid solution solvent extraction, calculation, etc., can solve problems such as heavy workload and shortage

Active Publication Date: 2018-09-14
CHINA MINMETALS BEIJING RES INST OF RE
View PDF2 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although these methods can be used in the process design of the rare earth linkage extraction and separation process, the optimized process parameters need to be determined from a large number of calculation results, so the workload is large, and there is no basis for judging whether the selected results are the theoretical minimum

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
  • Multi-component linkage extraction separation flow design system and design method
  • Multi-component linkage extraction separation flow design system and design method
  • Multi-component linkage extraction separation flow design system and design method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0220] For a GdCl-containing 3 , EuCl 3 and SmCl 3 The aqueous phase feed liquid of the three components to be separated, the separation goal is to obtain SmCl with a purity of 99.99% 3 , EuCl 3 and GdCl 3 Three products. P507-kerosene is used as the extracted organic phase. During the separation process, the saponification of the extracted organic phase needs to consume alkali, and the washing process in the washing section needs to consume acid. By adopting the present invention, an extraction total separation process with the theoretical minimum consumption of acid and alkali can be quickly designed and obtained, that is, the designed total separation process has the theoretical minimum extraction amount and the minimum washing amount.

[0221] In the data input module, input the components to be separated as Gd, Eu and Sm; the flow rate of Gd, Eu and Sm in the feed liquid is f Gd,a , f Eu,a , f Sm,a Input 0.3000, 0.1000 and 0.6000 respectively, the total flow f a ...

Embodiment 2

[0265] The feed liquid to be separated contains NdCl 3 , PrCl 3 , CeCl 3 and LaCl 3 The water phase of the four components to be separated, the separation goal is to obtain LaCl with a purity of 99.99% 3 , CeCl 3 , PrCl 3 and NdCl 3 Four products. P507-kerosene is used as the extracted organic phase. During the separation process, the saponification of the extracted organic phase requires the consumption of alkali, and the washing process requires the consumption of acid. By adopting the invention, an extraction and complete separation process with the theoretical minimum consumption of acid and alkali can be quickly designed and obtained.

[0266] Input the components to be separated into Nd, Pr, Ce and La in the data input module; their flow f in the feed liquid Nd,a , f Pr,a , f Ce,a , f La,a Enter 0.1500, 0.0500, 0.5000 and 0.3000 respectively, the total flow f a 1.0000; Ce / La, Pr / Ce, Nd / Pr separation coefficient β Ce / La , β Pr / Ce and beta Nd / Pr The input is...

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 solvent extraction and separation and relates to a multi-component linkage extraction separation flow design system and a design method. The design system comprises a data input module, a flow calculation module, a series calculation module and a result output module; and the flow calculation module is used for constructing a full separation flow chart according to to-be-separated components input by the data input module and number of the to-be-separated components, calculating the minimal extraction quantity and the minimal washing quantity required by each separation unit in the full separation flow chart, the total flow of the materials at the outlets in the two ends and the shunt flow of each component layer by layer from top to bottom as well as calculating the total flow of input and output materials of the connection level and the shunt flow of each component after the same level of adjacent separation units adopt outlet linkage.When the design system and the design method are applied to process design for rare earth linkage extraction and separation flow, the workload of process parameter optimization can be reduced, and thetheoretically minimal extraction quantity and minimal washing quantity can be judged accurately based on complete basis.

Description

technical field [0001] The invention belongs to the technical field of solvent extraction and separation, and relates to a multi-component linkage extraction and separation process design system and design method. Background technique [0002] In the 1970s, Mr. Xu Guangxian of Peking University proposed the cascade extraction theory that can be used for rare earth separation, and developed the computer static design and dynamic simulation technology of cascade extraction, realizing the "one-step enlargement" of rare earth separation process design parameters to industrial scale Production, thus promoting the rapid development of my country's rare earth separation industry. At the beginning of this century, in order to further reduce the consumption of chemical auxiliary materials and pollutant discharge in the process of multi-component separation, a linkage extraction and separation technology was developed. This technology has now become the basic technology in China's rare...

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
Patent Type & AuthorityApplications(China)
IPC IPC(8): G06F17/50B01D11/04
CPCB01D11/04G06F30/20
Inventor程福祥廖春生吴声王嵩龄刘艳张玻
OwnerCHINA MINMETALS BEIJING RES INST OF RE