H2S Over the Mixer: Getting the Headspace Below 5 ppm
Mixing a sulphidic leachate is an unplanned stripper tower. Why pH 6.9 plus an open lid caused a 38 ppm exposure, and the controls that hold the headspace down.
Ammonia at 2,000 mg/L: What Shifts in the Batch and What Doesn’t
The lab sheet comes back with ammonia nitrogen at 2,100 mg/L and the first question on site is always the same: do we double the polymer? The honest answer is no, and understanding why saves both money and a failed load. Ammonia changes some things about a leachate batch and leaves others exactly wh…
