Seh America, Inc.

Brian L Tansy

Justin R Lydon

A process for reclaiming ammonia from waste streams comprises reacting at least one waste stream with an excess of hydroxide to produce ammonia and water. The ammonia is removed from the reaction vessel and purified.

Ammonia reclamation system

A method of controllably adding at least one contaminant to a surface of a silicon wafer. The method includes providing a solution containing a known concentration of one or more contaminants and having a known pH. The solution is applied to a surface of a silicon wafer and allowed to remain there for a predetermined period of time so that the one or more contaminants adsorb to the wafer surface. The solution is then removed while leaving the adsorbed one or more contaminants on the surface.

Growing community of inventors

Battle Ground, WA, United States of America

Brian L Tansy