Inventor
CHOO PEK L
US4 patents
Patents
4 patentsUS5346627ASep 13, 1994
Method for removing metals from a fluid stream
NALCO CHEMICAL CO83 citations94
US5401420AMar 28, 1995
Sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water
NALCO CHEMICAL CO27 citations91
US5328599AJul 12, 1994
System using sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water
NALCO CHEMICAL CO13 citations72
US5620629AApr 15, 1997
Colloidal silica/polyelectrolyte blends for natural water clarification
NALCO CHEMICAL CO14 citations71