COUNTY SANITATION DISTRICTS OF LOS ANGELES COUNTY
COUNTY SANITATION DISTRICTS OF LOS ANGELES COUNTY Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20080257832 | Sequential chlorination for wastewater disinfection - A process for the disinfection of fully nitrified secondary effluent comprising first adding chlorine to the effluent, then adding combined chlorine. | 10-23-2008 |