GB/T 38108-2019 in English

GB/T 38108—2019 Standard Interpretation

1. Background and significance of standard formulation

GB/T 38108—2019 "Test method for chlorine capacity of alkaline earth metal high temperature dechlorination agent" was formulated to meet the needs of removing hydrogen chloride under high temperature conditions in the petrochemical industry. With the improvement of environmental protection requirements and the advancement of industrial technology, the development of efficient and stable dechlorination agents has become an urgent need in the industry.

2. Comparative analysis of standard frameworks

3. Analysis of the main contents of the standard

Test device structure

This standard specifies the test device for alkaline earth metal high-temperature dechlorination agent, including key components such as reactor, mass flow controller, constant temperature furnace, etc. The following is a comparison table of main performance parameters:

Detailed explanation of test steps

The standard specifies the sample preparation, device calibration and data processing procedures in detail. The following are the key steps:

1. Sample preparation: The sample needs to be crushed, sieved and dried to ensure that the particle size is between 0.098mm~0.180mm.
2. Reagent preparation: Including hydrochloric acid solution, silver nitrate standard titration solution, etc., with strict specific concentration requirements.
3. Raw gas preparation: It is composed of hydrogen chloride and nitrogen, and the space velocity and concentration need to be accurately controlled.
4. Dechlorination agent filling: Use layered filling method and measure the catalyst bed height.

4. Implementation suggestions and precautions