Stages of Waste Water Treatment Process.
There is release of variety of waste from both domestic and industrial such as water, solids and gases. The wastes are absorbed into the environment and cab harmful, However, taking these wastes through treatment process reduces harm made to the environment. The end products from the waste treatments plants include recycled products, clean water and safe, biodegradable products. The processes involved in the treatment of these wastes differs depending on the source and the type of waste. A typical waste product in both homes and industries is the wastewater. There are different stages of the wastewater treatment process.
Wastewater from homes is normally treated in septic systems. The septic system is not complicated but should always be functional mode. However, septic systems serving large populations are 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 and can help with the design and construction of wastewater treatment plant. The process needs to be carried out per the circumstances. Engineers at the manufacturers will oversee the project from its design stage to monitoring and maintenance works. These types of plants are huge capital investments and are also sophisticated. The water released from these systems are quality clean and therefore used at commercial levels.
There are three main stages in the water treatment process. water flows through pipes by means of pumping or gravitational force. In the reservoirs, there is separation of floating and suspending solids from the water. The process involves use of centrifugal force. About 60% of solids will be removed at this stage. 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. In the second stage, the remaining biodegradable and suspending articles are given as food to organism such as fish. The organism in the water eat the food particles in the water remove the phosphate and nitrates nutrients in the water. About 80% of water impurities is removed at this stage. Water released to the environment at this stage is not harmful.
However, to make the water pure, the third stage is incorporated. 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. Chlorine is used to purify the water though it has been disputed in the recent times.
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.
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