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[Chemical Knowledge]：Production and manufacturing method and process flow of iodine

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The manufacturing method of iodine: research
in the field of raw materials for chemical production
abstract

this paper introduces in detail the manufacturing method of iodine in the field of raw materials for chemical production. Through in-depth research on various production methods, we aim to provide a comprehensive and practical production guide to promote the efficiency and quality of iodine production in the chemical industry.

1. Introduction

Iodine is an important chemical raw material, which is widely used in medicine, photography, agriculture and other fields. Therefore, it is of great significance to study the manufacturing method of iodine for improving production efficiency, reducing costs and improving product quality.

2. of iodine manufacturing methods

1. extraction method: extraction of iodine from marine organisms is the earliest method, but the source of raw materials and extraction technology constraints, has been gradually reduced to use.
2. Chemical synthesis: Synthesis of iodine through chemical reaction is the main production method at present. Among them, the commonly used methods are:

(1) sulfuric acid method: using iodate as raw material, reacting with sulfuric acid, and preparing iodine through crystallization, separation, drying and other processes. This method is simple, but the yield is low.

(2) hydroiodic acid method: iodate and hydroiodic acid as raw materials, through the reaction, crystallization, separation and other processes to produce iodine. This method has high yield and good product quality.

3. Electrolysis method: iodine is obtained by electrolysis reaction with iodide as raw material. This method is simple, but the energy consumption is high.
Precautions in the manufacturing process of
3.

1. Strictly control the quality of raw materials to ensure the smooth progress of the reaction.
2. Strengthen the control of temperature, pressure and other parameters in the production process to improve product quality and production efficiency.
3. Do a good job in the treatment of three wastes to reduce the impact on the environment.

4. Conclusion

iodine manufacturing methods are various, each has its own advantages and disadvantages. In the actual production process, the appropriate production method should be selected according to the specific situation. At the same time, strengthening the control of production process, improving product quality and production efficiency, and reducing costs are the keys for enterprises to obtain better economic and social benefits.

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