Abstract: A transformation of an existing, conventional southern yellow pine (SYP) lumber pressure treatment plant that previously impregnated wood with non-sustainable chemicals, to using environmentally friendly sodium silicate formulations. The transformation may include adding heated storage tanks for solutions of siliceous solutions and adding a heater to an existing storage tank, installing delivery lines capable of handling high pH, viscous solutions between at least the pre-existing vacuum pressure impregnation tank and the added or existing heated storage tank, a CO2 storage tank with associated vaporizer and a CO2 recovery system, associated lines to and from the pre-existing vacuum pressure impregnation tank and the CO2 storage tank and the CO2 recovery system, pumps for circulating the solutions, and a thermal management system including: insulation and cladding on one or more of the tanks and lines, heat tracing on all level indicators; and insertion of heating coils in working tanks.

Abstract: A dual path kiln is provided that includes a kiln having at least three chambers including first and second end chambers separated by a central heating chamber. At least two lumber conveyors convey lumber through the kiln in opposite directions. External unidirectional fans are utilized to provide circular directional flows through the lumber. Also provided is a method utilizing the kiln to continuously dry green lumber.

Abstract: A dual path kiln is provided that includes a kiln having at least three chambers including first and second end chambers separated by a central heating chamber. At least two lumber conveyors convey lumber through the kiln in opposite directions. External unidirectional fans are utilized to provide circular directional flows through the lumber. Also provided is a method utilizing the kiln to continuously dry green lumber.