Mobile VOCs Treatment Technology for Tank Cleaning
Analyze the unorganized emissions of volatile organic compounds(VOCs)during tank cleaning operations and the necessity of VOC treatment during tank cleaning.According to the changes in the concentration of oil and gas inside the tank during the tank cleaning operation,a process of"pretreatment+three-stage circulating condensation+adsorption"is adopted to recover and treat the oil and gas generated during the tank cleaning operation.This article introduces a mobile VOCs treatment technology for tank cleaning and its application in refining and chemical enterprises.Its unique technical characteristics are particularly suitable for situations where the concentration of VOCs in the discharged gas during tank cleaning operations first increases and then decreases.It can reduce the total non methane hydrocarbon content in the tail gas of VOCs treatment to an extremely low level.This technology can not only meet the VOCs treatment needs of tank cleaning,but also be used for the VOCs gas treatment generated by shutdown and blowing before system maintenance,To meet increasingly stringent environmental requirements.
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