Hayward Marsh Pilot

• 5,000gpd Pilot Plant

• Mainstream effluent at 35mg/L NH4-N

• Horizontal flow by gravity - no pumping

2012-2013

Oro Loma Pilot

• Oro Loma Sanitary District – 14,000 gpd

• Side-stream effluent at 500 mg/L NH4-N

• Cost to treat full flow (0.15 MGD) estimated at $1.1 M

2013-2014

San Francisco Pilot

• 90 L pilot plant

• aerated reactor

• 1,700 mg/L sidestream influent.

• Effluent NH4 = 170 mg/L; effluent NO3 = 5 mg/L

• 90% TN removal

Martinez Pilot

• Flow is 35 MGD

• 6,000 gpd pilot

• 98% NH4 removal

• Treating 25 mg/L NH4 Mainstream effluent

• Aerated reactor

• Water re-use