Hydromo

  Odour issues are prevalent in sewage treatment plants in residential, business, and factory areas. The unpleasant odour is typically caused by hydrogen sulfide (H₂S) and ammonia, among other gases produced during wastewater treatment. Without these smells being managed, they may lead to complaints by neighbours, rust on equipment and unsafe working conditions. To eliminate an STP smell, one has to identify the cause, revert the process to aerobic conditions, and apply modern smell-control technologies. This is a guide on how to dispose of odours in sewage treatment plants in the most appropriate manner, ensuring the system is clean and free of odour. What is the reason why sewage treatment plants smell? The primary cause of the smell of  sewage treatment plants  is the breakdown of organic substances in the absence of oxygen. Sulfate-reducing bacteria generate sulfide (H₂S), which smells like rotten eggs, when wastewater lacks oxygen. Ordinary gases that give STP an odo...