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Assessment Of Styrene Emission Controls For FRP/C And Boat Building Industries, Final Report.

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The report gives results of an evaluation of several conventional and novel emission control technologies that have been used or could be used to treat styrene emissions from open molding processes in fiberglass-reinforced plastics/composites (FRP/C) and fiberglass boat building facilities. Control costs for these conventional and novel technologies were developed and compared for three hypothetical plant sizes. The results of this cost analysis indicate that (1) preconcentration by adsorption followed by desorption for recovery or oxidation appears to reduce the overall cost of styrene control, particularly at the lower styrene concentrations (< 100 ppm) typically found at these facilities, and (2) increasing the styrene concentration (i.e., Lowering the flow rate) of the exhaust streams can significantly reduce the cost per ton of styrene removed for all technologies examined, because capital and operating costs decrease with decreasing exhaust flow rate. Therefore, a company should evaluate methods to increase concentrations (i.e., reduce flow rates) of the exhaust stream before considering any add-on control devices. The report also presents air flow management practices and enclosure concepts that could be used to create a concentrated exhaust stream while maintaining a safe working environment.

Descriptors:
Pollution; Styrene resins; Emission; Boats; Moldings; Fiberglass reinforced plastics
Date:
Reference #:
1996
A.96.50 A
Availability:
Yes
EPA Office:
Office of Research and Development
Office Suboffice:
National Risk Management Research Laboratory
Office Division:
No division specified
EPA Author:
Kaplan, Norman
Document Type:
Cost Analysis
Contractors:
Research Triangle Institute
Document Status:
Final
Pages:
130
Document file(s):

entire document (PDF, 9539.8K, About PDF)


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