Case Study on Victoria Water Works, Other Methods and Sludge Treatment

The provision of clean water is an important issue to solve and there is no unique solution, thankfully. Different areas have different problems and resources and no one solution can be applied to all. In developed countries, water is often pumped from a nearby lake or from ground Water and extensively treated in several stages in large plants to ensure safety. Water is commonly filtrated, sometimes in several stages with chemicals added to completely eliminate the smallest particles of pollutants and to speed up the process Chemicals are then filtered out again. Filtration in various forms is so far the only method to clean water, apart from UV-purification, whether it is a traditional slow sand filter or a reverse osmosis system or a modern, large sale filter in a water-purification plant. The risk of disease is very high when clean water and adequate sanitation are not available. Contaminated water contains bacteria and viruses that cause diseases and may contain poisonous chemicals. Suspended solids, small particles of dust or earth that make water cloudy or brown are likely to carry such pollutants are therefore undesirable.