The World Health Organization estimates that around 3.75 million people lose their lives to waterborne diseases. Scarcity of fresh drinking water owing to rising pollution, industrialization, and rapid surge in population has led to waterborne diseases. Most of the water supplied by municipal authorities to urban areas is contaminated with harmful chemicals, heavy metals, viruses, bacteria, etc., and its consumption can negatively impact an individual’s health. Growing awareness regarding water pollution, rising health consciousness, and the hazardous impact of declining water quality are contributing to the increasing adoption of water purifiers, contributing to their market growth. Advancements in water purification technologies and the introduction of a variety of water purifiers by market players to suit different requirements of the consumers are enabling the greater adoption of water purifiers. 

Based on technology, the residential water purifiers market segmentation can be done into Reverse Osmosis (RO), Media membrane, Ultraviolet (UV), Ultrafiltration (UF), and others. The RO segment is expected to hold the largest share in the global water purifier market, accounting for 44.8% of the market share by 2027. Increasing consumer preference for RO water purifiers due to low electricity consumption and high-performance efficiency are adding to the segment growth. 

Here are some of the latest water purification technologies expected to influence the water purifier market during the forecast period. 

Nanotech-based water purification technology

Pollutants such as sediment, salt, chemicals, bacteria, and heavy metals can be of many sizes. New nanotech solutions can provide high levels of filtration, enabling the separation of contaminants at low concentrations. Major applications of nanotechnology include nano adsorbents, nanostructured photocatalysts, nano-membranes, silver, copper, and zero-valent iron (ZVI) nanoparticles. However, carbon nanotubes are considered the most prominent nanomaterials used to remove organic, inorganic, and biological compounds from contaminated water. 

Photocatalytic water purification technology

In recent years, water purification with photocatalysis has gained momentum due to its ability to efficiently remove a wide range of organic and inorganic contaminants from the water, from crude oil to diverse chemicals. The photocatalytic water purification technology can be used to treat industrial wastewater laden with heavy metals. Panasonic pioneered the use of photocatalytic technology with the use of titanium dioxide and zeolite as an adsorbent and catalysts, respectively. While titanium dioxide helps to transform organic elements into inorganic substances, UV rays eliminate bacteria and viruses. 

Automatic Variable Filtration (AFV) Technology

The automatic variable filtration technology works through a stream of water flowing into two AFV units that are provided with descending bed filters. The dirty water passes through Air Lift and eliminates through the system, flowing upward and out of the AFV unit. AFV filtration does not need replacement but requires continuous cleaning through a scouring process. The technology is both at par in terms of efficiency and cost-effectiveness. 

As the water purification industry is expanding, market players are making huge investments to expand their product portfolios to attract consumers willing to spend on advanced technologies to meet their clean water requirements. Thus, the emergence of more innovative solutions and increased awareness created by the government for maintaining hygiene practices are expected to fuel the global water purifier market. 

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