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[Chemical Knowledge]：Manufacturing method and process flow of sulfur

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The manufacturing method
of sulfur
1. Introduction

In the field of chemical production raw materials, sulfur is an important basic raw material, widely used in agriculture, medicine, rubber, dyes, fertilizers and other fields. Therefore, it is of great significance to study the manufacturing method of sulfur for improving sulfur yield, reducing cost and improving product quality. This article will introduce the manufacturing methods of sulfur, including the mining and processing of natural sulfur, and the method of synthetic sulfur.

2. natural sulfur mining and processing

natural sulfur is mainly found in volcanic rocks, hot spring deposits and some coal seams. The exploitation of natural sulphur is mainly carried out by excavating and melting ore.

1. Excavation method: applicable to buried shallow deposits. Generally, excavators or manual excavations are used to excavate the sulfur-containing ore and then processed by crushing, screening and other processes to obtain sulfur products.
2. Melting method: suitable for buried deeper deposits. The underground hot water or steam is introduced into the deposit through drilling, and after the ore is melted, the hot water or steam brings the molten sulfur to the ground, and then the process of cooling, solidification and separation is carried out to obtain the sulfur product.

3. of synthetic sulfur methods

of synthetic sulfur methods are mainly the following:

1. Contact method: pyrite or pyrite as raw material, through high temperature roasting, the iron and sulfur in the ore separation, the generation of sulfur dioxide gas, and then the sulfur dioxide gas into the absorption tower, with absorbent absorption, so that it is converted into sulfur trioxide, and then concentrated sulfuric acid to absorb sulfur trioxide, and finally get sulfur products.
2. Hydrogen sulfide method: hydrogen sulfide gas is used as raw material, which is introduced into the burner and combusted with oxygen in the air to generate sulfur dioxide gas, and then sulfur is produced by contact method.
3. Molten salt method: using molten salt as electrolyte, sulfur dioxide gas is introduced to generate sulfur and oxygen under electrolysis conditions. This method has the advantages of low energy consumption and low pollution, but the equipment investment is large.

4. Sulfur Manufacturing Process Optimization

In order to improve the yield and quality of sulfur and reduce production costs, it is necessary to optimize the manufacturing process. The following are some optimization measures:

1. Improve the production process: adopt advanced production technology and equipment, improve the degree of production automation, reduce manual intervention, and reduce production costs.
2. Strengthen production management: establish a sound production management system, strengthen the monitoring of the production process, and ensure stable product quality.
3. Expand the source of raw materials: actively seek new sources of raw materials, reduce raw material costs and improve production efficiency.
4. Strengthen technology research and development: increase technology research and development, develop new sulfur manufacturing technologies and products, and improve market competitiveness.

5. conclusion

sulfur is an important raw material for chemical production, and its manufacturing method is of great significance for increasing production, reducing cost and improving product quality. This paper introduces the mining and processing methods of natural sulfur and the method of synthetic sulfur, and puts forward some measures for the optimization of manufacturing process. Through the implementation of these measures, the economic and social benefits of sulfur manufacturing can be further improved.

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