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Waste Water Treatment Processes

Both domestic and industrial processes leads to variety of waste including solids, water and gases. These wastes are absorbed into the environment and can be dangerous. However, if the wastes are taken through treatment plants, the amount of harm done to the environment could be minimal. The end products of the waste treatment plants includes clean water, harmless biodegradable and recycled products The treatment process for the waste depends on the source and type of waste. A typical waste product in both homes and industries is the wastewater. The wastewater treatment process is carried out in three phases.

Wastewater from homes is normally treated in septic systems. The septic system is not complicated but should always be functional mode. Nevertheless, septic systems that serve several homes are more complex since they have to absorb lots of waste. Large water treatment plants for use in large factories and high residential areas are however available. There are manufacturers of wastewater treatment plants that can help you design and manufacture a treatment plant. They will design the plan according to the project specific needs. They have engineers who will oversee the whole project from the design stage to the monitoring and maintenance tasks. These systems are complex and require large capital outlay. The output of the system is high grade usable water hence is used at commercial levels.

There are three main stages in the water treatment process. Water flows to reservoirs either by pumping or gravitational force. There is removal of floating and suspending solids in the reservoirs. This process happens in the presence of centrifugal force. The process can remove the about 60% of the suspended solids. Chemicals can be used at times to increase the removal of solids. The water is then directed to the second phase also known as secondary stage or organic stage. At this level, the remaining biodegradable and suspending particles are provided as food to organisms such as fish. The organism in the water eat the food particles in the water remove the phosphate and nitrates nutrients in the water. This stage removes over 80% f the water impurities. Water released to the environment at this stage is not harmful.

water is however made pure by
taking it to the third stage. It is referred to as the tertiary stage and water can be used for a wide range of uses. Various chemicals are applied to remove the impurities and ensure that it is safe. Some firms use chlorine to remove all impurities though it has become a subject of discussion in the recent.

When water is being pumped into the treatment plant; it should not contain industrial chemicals. The company that is producing water containing chemicals should remove these chemicals by having a treatment plant at their base.