The diagram illustrates a straightforward system designed to purify dirty water, transforming it into clean water through a water-filter assembly.
Overall, the process involves filtering contaminated water through a series of natural materials, including sand, charcoal and gravel, before collecting it to use.
Initially, the system consists of a plastic barrel positioned above a storage drum, which are connected by a pipe. Inside the barrel, there is a three-stage filtration system comprising natural materials: sand, charcoal and gravel. A tap is fitted at a lower side of the drum, while another is installed along the connection pipe, allowing easy access to the purified water.
The process begins with the untreated water being poured into the plastic barrel. The dirty water first passes through the sand layer, which helps remove particles and impurities. Following the preliminary stage, the water is purified by a thinner layer of charcoal and finally passes down through the gravel at the bottom of the barrel to eliminate the remaining sediment. After this comprehensive filtration process, the water flows through the pipe into the storage drum, which serves as a reservoir, allowing the purified water to be collected and stored for future use.