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You may have heard the term ‘wastewater management’ before, as it is commonly used by environmental enthusiasts and institutions who care about the future of our world. Wastewater treatment is a method used to recycle wastewater from commercial and residential premises and other sources for human consumption and use.
In short, this method helps to reuse polluted water to protect our environment from its harmful effects. Today, many new techniques are used for this purpose by many water treatment plants, some of which are listed below:
1. Electric current
This technique involves exposing the contaminated water to an electric current called electrocoagulation. When electricity flows through the waste water, all contaminants, germs and bacteria in the waste water, whether they are dissolved or undissolved, are properly removed; leaving behind only crystal clear water for reuse. It is a relatively new process that is innovative, cost effective and easy to apply.
2. Reverse osmosis
This treatment process appears to be effective in recycling harmful water, full of bacteria and from industrial waste. In this process, a semi-porous membrane is usually applied to it to get rid of all chemicals and molecules in it. In fact, reverse osmosis is also called a membrane filtration process because of the membrane used in it.
3. Natural treatments
Some chemical-free processes can be used to recycle wastewater in a natural way, such as lagoon or phytodepuration. In the phytodepuration process, infected water is poured into pools containing aquatic plants. Such plants have sufficient properties to treat sewage in a natural way. The lagoon method, on the other hand, involves pouring wastewater into pools called lagoons where it is treated naturally through various processes.
4. Ion exchange
This is another new wastewater management technique where wastewater is treated by ion exchange between electrolytes or between the complex and the electrolyte. The water is purified and impurities are removed as soon as ion exchange occurs.
5. Distillation
While not a new technique for wastewater management, it is still considered one of the most effective methods. The process usually involves introducing contaminated water into a mixture of liquids boiled at different temperatures to make the necessary changes and separate the contaminants from the water; making it reusable for a variety of purposes.
In fact, distillation is applicable to the treatment of wastewater generated from a variety of sources including, but not limited to, agricultural processes, commercial and industrial sectors, households, etc. Although the process is highly chemical-related, it is still a manual process, so it can be considered natural and environmentally friendly.
Summarizing, it can be said that wastewater management has now become an integral part of saving our environment for the benefit of us and our future generations. So we should take all necessary steps to make our world habitable.
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Source by Imtiaz Ahasan