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Treatment of wet process hardboard plant VOC emissions by a pilot scale biological system

Paper ID Volume ID Publish Year Pages File Format Full-Text
4482 228 2007 10 PDF Available
Title
Treatment of wet process hardboard plant VOC emissions by a pilot scale biological system
Abstract

A pilot scale biological treatment system for air emissions was installed and tested at a forest products plant in western Oregon, USA, which collected and treated gaseous emissions from the hardboard steam press vents on the top of the plant building. This system was installed mainly to demonstrate the effectiveness of biological treatment technologies in removing volatile organic compounds (VOC) and hazardous air pollutants (HAP) from the wet-process hardboard press emissions, and to test the efficiency of the system on fine particles and condensable organics with the presence of a pre-treatment wet dust collector. The bio-oxidation system was comprised of a particle pre-treatment unit Type W Rotoclone (wet hydrocyclone), a biotrickling filter and a biofilter with airflow capacity of up to 4.72 m3/s. This unit operated at approximately 0.71 m3/s, which is the optimal flow required for the Rotoclone's throughput, and provided an EBCT (empty bed contact time) of 45 s. Analysis of total VOC measurements from the system indicated removals down to less than 5 ppm in the effluent emissions. Evaluations of opacity reductions also met project objectives with routine outlet measurements of 0–5%, which are in compliance with state regulatory guidelines. Emissions air samples were collected at different locations in the biological system for GC–MS analysis and characterization to identify specific VOCs and their removals.

Keywords
Biofiltration; VOC removal; Air pollution control; Forest products emissions
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Treatment of wet process hardboard plant VOC emissions by a pilot scale biological system
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 37, Issue 3, 15 December 2007, Pages 261–270
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us