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Oxygen Measurement in Vapor Recovery

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Oxygen Measurement in Vapor Recovery

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Vapors build up in the recovery drums/storage tanks due to flashing when introducing new feedstock, pressure changes due to level and/or agitation, and temperature changes. This causes increasing pressure in the head space of the tank, and in some cases can create a hazardous situation. The problem is that the vapor may contain valuable feedstock or environmentally unfriendly chemicals. Vapor Recovery Units (VRUs) were developed to help recover or destroy respectively valuable or hazardous chemicals which may have been traditionally flared or vented.

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