How to Avoid Sewage Stench and Corrosion

H2S is nasty stuff. The colourless gas is not only unpleasant, giving off that all-too-familiar “rotten egg” smell, it is also poisonous, flammable (even explosive in high concentrations), and ultimately corrosive to metal and concrete. But H2S generation in sewers depends upon a fairly complicated biological, chemical, and physical process that is worthy of its own production pathway.