Method for detecting hydrogenated tail-oil cyclanes and arene composition using near infrared spectrum

A technology of near-infrared spectroscopy and hydrogenated tail oil, which is applied in the field of determining the composition of cycloalkanes and aromatics in hydrogenated tail oil by near-infrared spectroscopy, which can solve the problems of long time required and unsatisfactory production plants, and achieve small operating space , Accurate test cost, high precision effect
CN1979132AInactive Publication Date: 2007-06-13YANGZI PETROCHEM
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YANGZI PETROCHEM
Publication Date
2007-06-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method to test the constitution of hydrogenation tail oil naphthenic hydrocarbon group and arene group by near infrared optical spectrum. It builds up models of naphthenic hydrocarbon, 1-naphthenic hydrocarbon, 2- naphthenic hydrocarbon, 3- naphthenic hydrocarbon, 4- naphthenic hydrocarbon and arene by alkene cracking device, and aromatics reformer and oil refining hydrogenation unit. And the content of naphthenic hydrocarbon, 1-naphthenic hydrocarbon, 2- naphthenic hydrocarbon, 3- naphthenic hydrocarbon, 4- naphthenic hydrocarbon and arene would be calculated by using the models. It has the advantages of convenient, rapid and accurate.
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Description

technical field

[0001] The present invention relates to the establishment of naphthene, monocycloalkane, dicycloalkane, tricycloalkane, tetracycloalkane and aromatics models for the hydrogenation tail oil of olefin cracking unit, aromatics reforming unit and refinery hydrogenation unit by using near-infrared spectroscopy technology, The established model was used to determine the contents of naphthenes, monocycloalkanes, dicycloalkanes, tricycloalkanes, tetracycloalkanes and aromatics in the hydrogenation tail oil group composition. Background technique

[0002] In order to achieve real-time optimization of ethylene production equipment, it is necessary to realize the rapid analysis of the composition of the raw material group first, and the chromatography method generally used now takes at least 2-3 hours, especially for heavy raw materials, the chromatography-mass spectrometry analysis method is used, so It takes a longer time and is far from meeting the requirements of th...

Claims

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