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Currently nanotechnology plays a vital role in water purification techniques. Nanotechnology is the process of manipulating atoms on a nanoscale. [1] In nanotechnology, nanomembranes are used with the purpose of softening the water and removal of contaminants such as physical, biological and chemical contaminants. There are a variety of ...
Applications of nanotechnology – Uses for technology on very small scales; Nanomaterials – Materials whose granular size lies between 1 and 100 nm; Nanotechnology – Technology with features near one nanometer; Ultrafiltration – Filtration by force through a semipermeable membrane; Reverse osmosis – Water purification process
The use of various nanomaterials, including carbon nanotubes and TiO 2, shows promise for treatment of surface water, including for purification, disinfection, and desalination. [9] Target contaminants in surface waters include heavy metals, organic contaminants, and pathogens.
Slingshot is a water purification device created by inventor Dean Kamen. [1] Powered by a Stirling engine running on a combustible fuel source, it claims to be able to produce drinking water from almost any source [2] by means of vapor compression distillation, [3] requires no filters, and can operate using cow dung as fuel.
Nanotechnology is expected to deal more efficiently with contaminants which convectional water treatment systems struggle to treat, including bacteria, viruses and heavy metals. This efficiency generally stems from the very high specific surface area of nanomaterials, which increases dissolution, reactivity and sorption of contaminants. [13] [14]
Mercury nano-trap water filtration is a method of decontaminating water of mercury. Mercury is considered to be one of the most notorious metal pollutants present in food, water, air and soil, but the process of eliminating it is limited. [1]