Quantitative analysis method for all form sulfur component of light carbon and its fractional distillation product

A technique of quantitative analysis and qualitative analysis, applied in the field of detection and analysis

Active Publication Date: 2008-02-20
DAQING PETROLEUM ADMINISTRATION +1
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Problems solved by technology

These methods can only detect total sul

Method used

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  • Quantitative analysis method for all form sulfur component of light carbon and its fractional distillation product
  • Quantitative analysis method for all form sulfur component of light carbon and its fractional distillation product

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Embodiment Construction

[0015] The present invention will be further explained below in conjunction with the drawings:

[0016] Analyze the industrial pentane on the production line of the Daqing Petroleum Administration Chemical Group with the Agilent 6890-9573I gas mass spectrometer; the analysis conditions are: the carrier gas is high purity helium 99.999%; the column GS-GASPRO, 60m× 0.320mm capillary column; ion source temperature is 230℃; electron multiplier voltage is 1682V; interface temperature is 230℃; emission current 34.6μA; scanning range m / z 20-500; no solvent delay. Injection port temperature: 230℃, the injection port is in splitless mode; sample volume: 2μl; detector temperature: 280℃; flow rate: 1.5L / min; programmed temperature: 40℃ for 2min, then 10℃ / min for heating To 130°C, then 15°C / min to 230°C for 85 min.

[0017] Figure 1 shows the spectrum after this analysis.

[0018] The spectrum combined with the library showed that the industrial pentane sample contained sulfides: 2-propanethi...

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Abstract

The utility model discloses a qualitative method and a quantitative method for analyzing various sulphur components of the light hydrocarbon and the fractionation products, wherein the qualitative method is to analyze the products with the adoptive gas phase mass spectrometer for obtaining the spectral configuration and then to determine the quality with the mode of combining the searching of standard atlas database and keeping time of the standard sulphur sample. The quantitative method is to use the gas chromatography combining cubic spline curves for determining the quantity. The utility model has the advantages that the establishment of the qualitative and the quantitative analysis methods for various sulphur components can provide necessary, accurate and effective data for utilizing the art of sulfur removal with light hydrocarbon fractional device and meanwhile can offer the foundation for determining the desulfurization catalyst for the device and guiding the production.

Description

Technical field: [0001] The invention relates to a detection and analysis method, in particular to a qualitative and quantitative analysis method for various forms of sulfur components in light hydrocarbons and their fractionated products by using a gas mass spectrometer and a gas chromatograph. Background technique: [0002] Most of the sulfur compounds contained in light hydrocarbons will be incorporated into the product with secondary processing, which not only causes serious corrosion to equipment, but also has a great impact on the quality of new products, and is extremely harmful to health and the environment. In view of the fact that there is no qualitative and quantitative analysis method for the sulfur components of light hydrocarbons and their fractionated products in China, the domestic desulfurization technology cannot achieve the expected results in the application of light hydrocarbons and their fractionated products. Therefore, it is necessary to perform various fo...

Claims

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Application Information

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IPC IPC(8): G01N30/02
Inventor 窦云芹李晓丽宋会美高岩崔宝永曹帼英张立超古晓庆于克利李国忠孙艳波赵贤俊胡刚李志男
Owner DAQING PETROLEUM ADMINISTRATION
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