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Luoyinsi Analytical Instrument (Suzhou) Co., Ltd
Application of Total Sulfur Analyzer in Petroleum Refining Process
Date: 2025-12-17Read: 0
Total sulfur analyzer is a widely used instrument and equipment in environmental monitoring, industrial production, and chemical analysis, used to determine the content of sulfur elements in samples. Sulfur is one of the common chemical elements in nature, and its compounds play important roles in many industrial processes, while also having potential impacts on the environment and human health.
Total sulfur analyzerWorking principle:
1. Sample preparation: The sample to be analyzed (such as liquid, gas, solid, etc.) is first subjected to pretreatment. Depending on the physical and chemical properties of different samples, it may need to be processed through steps such as heating, dissolution, dilution, etc.
2. Oxidation reaction: Sulfides in the sample react with oxygen under high temperature and pressure conditions to produce sulfur dioxide gas. This process is usually accelerated by catalysts, making the reaction more complete and efficient.
3. Gas collection and measurement: The generated sulfur dioxide gas is collected and passes through a gas flow control device before entering the analysis system. Common analysis methods include UV absorption, electrochemical, or spectroscopic methods, which can accurately determine the concentration of sulfur dioxide in samples.
4. Result calculation: Based on the concentration of sulfur dioxide and the conversion rate during the reaction process, calculate the sulfur content in the sample and express it in appropriate units (such as ppm, mg/L, etc.).
Application areas of total sulfur analyzer:
1. Petrochemical industry: In the process of petroleum refining, crude oil, natural gas, and their products often contain sulfides, especially hydrogen sulfide. The content of sulfides directly affects the quality of petroleum products and their environmental impact. Therefore, the petroleum industry needs to use analyzers to monitor the sulfur content in products such as crude oil, fuel oil, and liquefied gas.
2. Environmental monitoring: The emission of sulfides is an important source of air pollution, especially sulfur dioxide (SO ₂). In industrial emission sources such as thermal power plants and steel plants, excessive sulfur dioxide emissions can cause serious pollution to the environment. Therefore, the environmental protection department monitors the sulfur content in industrial emissions through the use of analyzers to ensure air quality.
3. Food and Drug Industry: The sulfur content in food and drugs also needs to be strictly controlled, especially for certain additives, drugs, or sulfides that may be involved in processing. Can help relevant enterprises ensure that their products comply with health and safety standards.
4. Mineral resources and metallurgical industry: Sulfide ores often release a large amount of sulfide gas during the smelting process, especially in metal smelting and ore extraction processes. Using analyzers to monitor the sulfur in raw materials and gases can optimize processes and improve production efficiency.
5. Power industry: Sulfur dioxide emissions from coal-fired power plants are one of the main causes of acid rain. In order to reduce pollution emissions, the power industry conducts real-time monitoring of the sulfur content in coal combustion. The power plant can adjust the combustion process in a timely manner to reduce sulfur dioxide emissions.