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Secondary treatment focuses on biological processes to degrade organic matter. This is accomplished through aeration tanks, where microorganisms are introduced to consume organic pollutants. The most commonly used methods in secondary treatment include activated sludge systems and biofilm reactors. These processes can significantly reduce the biochemical oxygen demand (BOD) and total suspended solids in the water.
waste water treatment

For many users, convenience is a significant factor in choosing a water purification vessel. Many modern vessels are designed for easy use, featuring built-in indicators that signal when it is time to replace filters, as well as ergonomic designs that make pouring and handling effortless. Some models even come with additional functionalities, such as the ability to remineralize water, adding essential minerals back into the purified water and enhancing its taste and health benefits.
water purifier vessel
