Graphene Water Filter

At Mighty Water, we're constantly exploring cutting-edge technologies and materials to make our filters more effective and longer lasting. Graphene is emerging as a game-changer in water filtration, offering new possibilities for cleaner, safer drinking water without the use of chemicals.

A study published in ACS ES&T Water introduces a regenerable graphene-based water filter designed for at-home use, offering a sustainable solution for removing heavy metals like lead, cadmium, and mercury from drinking water . Traditional filters often require complete replacement once saturated, but this innovative filter can be rejuvenated using simple household methods.

The filter comprises a composite of graphene oxide (GO) and carboxylated graphene (CG) in a 90:10 ratio. This combination provides a high surface area and functional groups conducive to adsorbing heavy metals. Notably, the filter demonstrated the ability to remove 3 to 65 times more heavy metals from tap water compared to activated charcoal.

A key feature of this filter is its regenerability. Users can restore its filtering capacity by treating it with either hot water at 80°C or common vinegar. This regeneration process effectively removes up to 99.5% of the adsorbed metals, allowing the filter to be reused for up to three cycles before replacement is necessary.

The development of this graphene-based filter addresses the need for more sustainable and cost-effective water purification methods. Its ability to be easily regenerated at home reduces waste and the frequency of filter replacements, making it a promising addition to existing water filtration technologies.

Read more here: https://pmc.ncbi.nlm.nih.gov/articles/PMC9967324/