Bio centre dot Reaction Industries, LLC contacted SierraPine Ltd in January of 2001 to discuss the potential for installing a pilot biofilter system controlling hazardous air pollutants (HAPs) from the particleboard press at the Springfield, Oregon mill. This wood products company was familiar with biofilter controls for VOC and HAP emissions as a conventional, flatbed biofilter system had been in operation at the Adel, Georgia mill for several years. After considerable discussion culminating in a mutually beneficial agreement, engineering was begun on four (4), 17,000m~3/h (10,000cfm) units, each with a different design. The schedule that was developed called for installation in August or September 2001. After multiple design considerations, final design was set and fabrication of the stainless steel units was started in May. All units were completed by mid-August.
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