Boise Cascade

Oakdale Mill

140 Van Ply Road

Oakdale, LA 71463


Challenge: Remove existing stack and tie in new ESP via duct and expansion joint in 12 hours.


Southern Environmental’s Solution:

Southern Environmental, Inc. provided a new state-of-the-art S3 ESP with high frequency power supplies using SEI-ELEX electrodes.  The ESP is designed with wide plate spacing, top rapped system, seven foot penthouse and a screw conveyor material handling system.  The SEI design, using the high frequency transformer, is cutting edge application for biomass boiler ESPs. SEI has been on the forefront, utilizing this technology in applications, since 2002.

Project Duration:

PO Received: March 15, 2013

Materials delivered: July 31, 2013

Start-up: September 1, 2013


Detailed Engineering in the following disciplines:





Fabrication and Erection Services:

ESP Fabrication

Field Technical Support

Mechanical Construction

Insulation Installation

Electrical Installation


Scope of Work:

Southern Environmental, Inc. provided detailed engineering, material supply, fabrication, construction, start up services and physical model study, inlet flange to stack, conveyor systems, structure and foundation.  The ESP is a single chamber, three mechanical field (in direction of gas flow) precipitator.


Guaranteed Outlet PM Emissions:

0.023 lb/mmBTU with one field out of service.


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Midwest Engineering Office: 921 Eastwind Drive, Suite 115, Westerville, OH 43081   614-259-6505