Lignocellulose Water Treatment Patent Issues for handling Phosphates and Arsenic

Kim Lignocellulose Reaction

Kim Lignocellulose Reaction

Ju Young Kim of Tallahassee, Florida has invented a water treatment method for using metals including aluminum and iron to modify lignocellulose in a way such that it can be used as an adsorbant of water borne phosphates and arsenic.  The invention was awarded US Patent No. 7,758,756.  The adsorbent is created in a multi-step process that involves modification of the lignocellulose at both high and low pH.  The invention is titled “Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions.  The invention is assigned to AG BIO TECH, LLC also of Tallahassee, Florida.