High-purity tellurium production line in mining and metallurgy industry

High-purity Tellurium

1. Brief Introduction

The substance of the tellurium electrodeposition is using the different deposition potential of all kinds of metal to separate the impurity. Fill in the purified Sodium tellurite liquid to the electrolytic

Picture 1 Electro-refined Tellurium system

Vacuum distillation technology is using the different vaporization and condensing characteristics of different metal to achieve the metal purification and each alloy components separation. This is no pollution or less pollution to the environment during the whole process, short technologic process and high metal recovery rate, small land occupation, less consumption and good benefits. T he vapor pressure of Tellurium is high, by using the vapor pressure difference between other impurities, make use of the vacuum distillation · segmented condensation to obtain the high purity Tellurium, the used raw material is electro-Tellurium or metallic Tellurium of Carbon reduction, generally, can get 5N metallic Tellurium product.

Picture 2 Tellurium Vacuum purification system

Due to the poor effective of distillation purification to Se, S 2, If want to continuous obtain more high-purity metallic Tellurium, that need melting the metallic Tellurium, keep temperature 480~520 ℃, with hydrogen, maintain 4~8h, Se containing Tellurium can reduce to 1×10 -6 %, hydrogenation reaction also have similar effective to the desulfuration, the sulphur can reduce to 1×10 -5 %, H 2 Se is able to decomposition under the high temperature, not good for the deeply selenium off, the tail gas is absorbed and discharged by the alkali liquid. By adopting the distillation-hydrogenation selenium off technology, can purify the 4N Tellurium to 6N.

2. Features

( 1 ) Advanced technology

( 2 ) Simple process

( 3 ) High automation

( 4 ) Easy operation

( 5 ) High product quality

( 6 ) No pollution to the environment

( 7 ) Multi stage hating, multi stage purification structure

( 8 ) High capacity of single furnace

( 9 ) High vacuum degree

nical Index.

Table 1. Tellurium Electro-refined Key Technical Index.

Table 2 Electro-Tellurium Vacuum Distillation Key Technical index.

Table 3 Vacuum Tellurium Hydrogenated Key Technical Index

has ranked as the world’s largest producer of nonferrous metals with its fast economy growth over the last two decades. After continuously making efforts on tackling key technological problems and accumulating a wealth of experiences in practice, now are delight and ready to share the CHINESSE EXPERIENCE, COST-EFFECTIVE PRODUCTS AND SERIVCES with all friends in nonferrous beneficiation and metallurgy industry all over the world.

is providing the most advanced technology and services for sustainable use of nonferrous resources of earth, mainly to provide energy saving, environmental protection, high quality and efficient producing technology, equipment and services for the Copper, Lead, Zinc, and Tin and other nonferrous smelting industry.

provides extensive and flexible business cooperation models for domestic and overseas customers, including research, design, equipment supply, installation, commissioning, training, test run and operation.

Packaging Details: vacuum distillation furnace packing:Plastic wrapping film and wooden pallets

Pre-Sales Service

* Inquiry and consulting support.

* Factory visit support

* Sample testing support

After-Sales Service

* Training how to install the furnace, training how to use the furnace.

* Engineers available to service machinery overseas.

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