Fe-Doped TiO-Carbonized Medium-Density Fiberboard for Photodegradation of Methylene Blue under Visible Light.

Fe-doped titanium dioxide-carbonized medium-density fiberboard (Fe/TiO-cMDF) was evaluated for the photodegradation of methylene blue (MB) under a Blue (450 nm) light emitting diode (LED) module (6 W) and commercial LED (450 nm + 570 nm) bulbs (8 W, 12 W). Adsorption under daylight/dark conditions (three cycles each) and photodegradation (five cycles) were separately conducted. Photodegradation under Blue LED followed pseudo-second-order kinetics while photodegradation under commercial LED bulbs followed pseudo-first-order kinetics.

Chemical Characterization of Kraft Lignin Prepared from Mixed Hardwoods.

Chemical characterization of kraft lignin (KL) from mixed hardwoods ( spp. from Vietnam and mixed hardwoods (mainly spp.) from Korea) was conducted for its future applications.