Method for cryogenic cooling absorbing-regenerative oxidation recovery and treating oil air

A technology of cooling absorption and heat storage, which is applied in solvent recovery, gas purification, and petrochemical fields. It can solve problems such as uneconomical and non-standard gas discharge, and achieve the effects of small footprint, outstanding comprehensive economy, and large operating flexibility.
CN101028577AInactive Publication Date: 2007-09-05TSINGHUA UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2007-09-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method for recovering and treating the oil vapor generated during loading or unloading light oil by low-temp cooling-absorbing and oxidizing by accumulated heat includes such steps as absorbing the raw oil vapor by absorbing liquid and filler layer in absorption tower, heating in heat-accumulating oxidizing unit, high-temp oxidizing for decomposing to release a lot of heat, cooling by heat-accumulating bed, exhausting, and refrigerating by accumulated heat for cooling the absorbent.
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Description

technical field

[0001] The invention belongs to the fields of gas purification, solvent recovery and petrochemical industry. In particular, it relates to a low-temperature cooling absorption-heat storage oxidation recovery and treatment method for oil gas generated during loading / unloading of light oil products. technical background

[0002] Oil and gas vapors produced during loading / unloading, storage and transportation of petrochemical products include light hydrocarbons, benzene, toluene, xylene and other volatile organic compounds. The smell of evaporating oil and gas often makes people dizzy. Among them, benzene series compounds are identified as carcinogens by experts. Inhalation of a large amount of high-concentration benzene vapor in the human body can cause benzene poisoning. Mild cases manifest as excited or drunken state, photophobia, tears, blurred vision, dizziness, dizziness, headache, nausea, vomiting, staggering and other symptoms; severe cases suffer from ...

Claims

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