What does sulfides in water mean in practice?
At a lower pH, volatile hydrogen sulfide with the smell of rotten eggs dominates, and at a higher pH, the share of ions increases.
When does it matter?
Sulfides consume oxidant, cause odor and may form deposits with metals.
Which solutions are related to it?
Controlled aeration or oxidation and catalytic filtration are used, adjusting the process to pH and concentration.