Wastewater treatment is a procedure used to confiscate contaminants from wastewater or sewage and then it returns to the water cycle, with minimal effect on the environment. That process is called water reclamation as the wastewater can be used for other purposes. This practise occurs in a water treatment plant where pollutants in shared wastewater are broken down.
Here are the different ways that the water treatment companies treat the wastewater coming into their plant.
Aerobic Process
The first process is the Aerobic process, this is where bacteria break down the organic material and changes it into CO2, that can be used by vegetations. Oxygen is used in this process. This procedure is mainly used to clean industrial waste-water that has previously been attended to by the anaerobic processes. Making sure that the wastewater is fully broken down and can be disposed in line with the stern environmental regulations. The aerobic process is a simple and effective process that creates excellent secondary waste which then can be sold as agricultural fertiliser.
Anaerobic Processes
In this process, fermentation is the driving force that starts the process by fermenting the waste at a certain temperature, oxygen isn’t used in this process. The anaerobic process generally includes a bioreactor capable of keeping an oxygen-free environment which is needed to maintain the process of anaerobic digestion. This process has a very good reputation for being resourceful, low-odour treatment with large concentrations of biological contaminants.
Chemical Water Treatment
This treatment incorporates the use of chemicals in water, the chemical used is Chlorine which is an oxidizing chemical and is useful for destroying bacteria. This disintegrates the water by applying contaminants to it. There is another oxidizing agent used for purifying wastewater called ozone. Neutralisation is a method where acid is applied to the water to get the pH level to 7 (natural pH). The chemicals stop the contaminants reproducing in the water, this is what purifies the water.
Sludge Treatment
The left-over residue that is collected in the sewage treatment plants is called sludge. Sewage sludge is either a solid, semi-solid or a residue material that is a result of wastewater treatment. This treatment separates solid and liquid, where the lowest possible left-over moisture is needed to disperse the liquid phase.
Wastewater has a large impact on the world we live in and it’s crucial that we look after it carefully, by attending to this wastewater we don’t only save the wildlife on this planet but we help preserve the world.
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