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Capture Systems

JAMPRO provides:
Capture systems that are used to keep solvent vapors from becoming fugitive. Our emphasis is placed on developing capture systems that will provide the following:


Use the minimum amount of air to capture the maximum amount of VOCs.
Minimize interference with operators of the production equipment.
Contain and capture the VOC vapors at the source.

JAMPRO conducts studies on Volatile Organic Compounds (VOCs) and capture systems in surface coating, printing operations and other industries. We provide our clients with years of experience in the following:

Fugitive VOCs
Solvents that evaporate into the production room and not pulled into the production equipment are termed "fugitive". They may have a negative effect on capture efficiency. From a regulatory standpoint, these fugitive emissions eventually escape into the atmosphere and become uncontrolled VOC emissions.

Captured VOCs
Solvents that are pulled into the Production equipment (e.g. oven dryer) and exhausted through the stack are said to have been "captured". These particular solvent vapors are now controlled and can be exhausted to a VOC reduction device, if necessary.

Consumed VOCs
Solvents that are oxidized/burned, in the process, are generally ignored, although the amount can be significant. For example, some ovens have been found to burn 5% to 10% of the solvent present in the re-circulating air passing through the oven burners. If capture efficiency is determined by a liquid-vapor mass balance procedure, the solvent loss by burning can result in an artificially low efficiency measurement.

Retained VOCs
Solvent that remains in the final product are generally called "retained solvent". They are in most cases such a small amount that they are frequently ignored when determining capture efficiencies. Exceptions may be found in processes which purposely retain significant amounts of solvent in the product, either to allow future processing, or to provide some characteristic that would be missing in a "bone-dry" product. Still another category may include that in which the solvent chemically combines with or within the product.

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