How is Wastewater Treated in a Wastewater Treatment Plant?

wastewater treatment is a procedure for separate impurity from sewage and transforming them into clean water. Wastewater treatment serves to make a significant quantity of water reusable. Water is vital to all human beings so we need to use it wisely and make sure that every drop of it counts. This article provides you with some basic information on how to treat wastewater in a wastewater treatment plant.

There are two different kinds of water treatment plants, namely:

The chemical or physical treatment plants use physical methods such as screening, sedimentation, and skimming. These methods remove solids or big particles from the wastewater. Chemical treatment plants use such chemicals as chlorine to kill bacteria from sewage.

The Biological treatment plants use biological matter to break down waste materials. This system provides the best method for treating wastewater from houses and businesses.

Below describes the different methods of treating wastewater in wastewater plants.

Taking Out The Odor

One concern with wastewater treatment is the awful smell it releases, and it can be alarming if left untreated. In every wastewater infrastructure, removing the odor of the effluent is the first step. This is a challenging process because wastewater contains a lot of dirt that makes the water emit a terrible odor. All foul-smelling contaminants must be treated using chemicals to counteract the foul smell, or else everyone in the neighborhood will be complaining. The scent comes from the decomposing matter.

Removal of Large Objects

The screening process removes large objects like bottles,  bottle caps, diapers, cotton buds, sanitary napkins, … from the wastewater. It prevents any damage to the apparatus in the treatment plant. Special equipment will filter the waste that the rainwater washes down the sewage.

Three Stages of Treatment

The primary treatment separates the macrobiotic solid from the wastewater. The process includes putting wastewater into the big tank to settle the solid waste at the surface and removing them by large scrappers. The second treatment, known as the activated sludge process, involves the pumping of the remaining water and adding up seed sludge to crumble it further. The seed sludge encourages the growth of bacteria and organisms that consume the residual matter. The tertiary stage, or the third step, has an extensive percentage capability to remove the water’s previous impurities, making it close to the quality of drinking water. This process needs special equipment  plus qualified and skilled operators who can effectively use it

Disinfection Process

To guarantee that there are no remaining organisms from the first to the third stages, the wastewater will go through a disinfection process inside the tank. This process takes 20 to 30 minutes and the wastewater is mixed with a combination of chlorine, and sodium hypochlorite before getting into this process. This final process guarantees the safety of the animals and people who will use the water.


wastewater treatment makes a large amount of water to be reusable by animals and people in agriculture to prevent its wasting. This process chemically treats wastewater to prevent any harm to the health of all living things. Water is essential to all forms of life, and we have to do our best to save it.