In 1996 the first full-scale commercial gasifier with this technology was delivered to Weyerhaeuser's New Bern plant in a collaboration between Chemrec and the U.S. DOE Energy Efficiency and Renewable Energy division.
Dellwood is the site of a Weyerhaeuser log yard and was once a log dump for sending rafts of logs downriver to Coos Bay for export.
The Weyerhaeuser board of directors consists of: Debra A. Cafaro, Mark Emmert, Daniel S. Fulton, John W. Kieckhefer, Wayne W. Murdy, Nicole Piasecki, Doyle R. Simons, Richard Sinkfield, D. Michael Steuert, Kim Williams, and Charles Williamson.
Wright City was once home to a Weyerhaeuser plant; it closed permanently in mid March 2009 due to the slowed lumber industry.
From there, traffic is either switched to the Patriot Woods Railroad, formally known as the Weyerhaeuser Woods Railroad, where it is transported to Weyerhaeuser's Green Mountain Sawmill at Toutle or it is switched to the BNSF/Union Pacific joint main line for movement to either Portland, Oregon, or Seattle.
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Companies using the railroad services are Weyerhaeuser, Georgia-Pacific, NORPAC, Flexible Foam, Equa-Chlor, PPG Industries, Canexus and Solvay Chemicals.
In 1990, Penntech sold the mill to Willamette Industries, the company that would later be acquired by Weyerhaeuser in February 2002 in a hostile takeover and then in 2007 was acquired by Domtar.
Weyerhaeuser has operated a Chemrec first generation black liquor entrained flow gasifier successfully at its New Bern plant in North Carolina, while a second generation plant is run in pilot scale at Smurfit Kappa's plant in Piteå, Sweden.
The only other railroad activity the Weyerhaeuser Corporation tolerated was the development of the Mount Rainier Scenic Railroad.
He and his brother-in-law, Frederick C.A. Denkmann, founded the Weyerhaeuser and Denkmann Lumber Company in Rock Island.