Degassing of:
Tanks, Vessels, Spheres, Pipelines, Barges,
Marine Vessels & Vacuum Trucks

Faq's: Safety, Compliance & Costs

Definition of Tank & Vessel Degassing

Degassing is the removal of vapors and displacement with fresh air or nitrogen, usually done for maintenance, inspection and repair. For Above Ground Floating Roof Tanks, most refineries, terminals and tank owners follow, standard API 653 Internal Tank Inspections. The term Tank Degassing has become synonymous with the use of an...
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Environmental Impacts & Regulations

Degassing using the correct control device reduces greenhouse gas emissions and your carbon footprint. A 100 ft diameter gasoline tank will release 50,000 lbs – 250,000 lbs of Volatile Organic Compound (VOC) emissions uncontrolled.
Reporting tank cleaning emissions was somewhat ignored...
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Personnel & Community Exposure

Eliminate Exposure to Employees, Contractors and Neighbors. Gasoline vapors are heavier than air and when they are blown out of the tank using a fan blower, personnel in the area are exposed. The 8 hour Permissible Exposure Limit (PEL) for benzene and gasoline is 1 ppmv and 300 ppmv, respectively. At 1000 ft from a manway, the...
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Safety - Eliminate the Explosive Atmosphere

Venting benzene, gasoline or other volatile vapors into an uncontrolled area has obvious safety issues. Gasoline vapors are heavier than air and will find low pockets to rest in. These vapors can often be explosive mixture, containing just the right mixture of air and flammable vapor to ignite....
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Cost Savings

Every plant has a budget and every plant manager has to control cost. Cost and profit margin are what make the plant viable. In the tank maintenance industry, costs are looked at closely as they should be. When taking a tank out of service, the shortest duration that can do the job safely and in compliance is the path that must be chosen. The...
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