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Water contamination is an issue that affects almost everyone in Bangalore. A variety of water sources are available in the city, many of which incur some type of pollution along the line between source and distribution. Regardless of source, the burden of treatment quite often falls on the end consumer. It is typically their choice […]
While many in Bangalore depend on packaged drinking water services, others rely on in-house treatment systems for the water piped directly to their homes. While some systems like reverse osmosis and ultraviolet irradiation require a high upfront investment, other more affordable but slower options include gravity filtration and boiling. Despite their respective disadvantages, the city’s high […]
Income plays a big role in how Bangalore’s residents address their water contamination. While reduced water quality is almost ubiquitous throughout the city, many can afford to either buy clean, prepacked water or invest in household treatment systems. Therefore, Pure Paani has endeavored to develop a model of the city’s income patterns by ward. By […]
In order to understand which regions of Bangalore would most benefit from affordable, portable water treatment services, Pure Paani has combined Janaagraha’s 2013 water quality data with the 2011 Indian Census’s household amenity data as a proxy for income. This process presents an applicability score, out of 5, for each ward. A ward with a high […]
Pure Paani is visiting a series of target communities in order to learn more about what people think about their drinking water. Topics of interest include source dependability, source quality, treatment cost and treatment convenience. While many wards present potential applicable communities, those with focus factors above 4 present the highest priority for visits. During […]
Pure Paani aims to target the need of affordable, effective, dependable water treatment on behalf of those living in Bangalore’s lowest-income communities. It aims to accomplish this goal by developing a portable, hand-operated filtration device that can be used repeatedly by a traveling service provider. This provider or “microentrepreneur” will earn a sustainable income for […]
The Three Parties Involved Pure Paani will locate key members of the target communities who are willing to engage in the small, mico-enterprise of using our hand pump treatment products. These “microentrepreneurs” will be reputable residents that are trusted and dedicated to their communities. They in turn will serve their friends and neighbors who will […]
Pure Paani is partnering with Small Talk Advanced Solutions to help women in rural areas provide treated water as a revenue-generating activity. This approach is a supplement to Pure Paani’s base business proposal in that any woman who participates provides both transportation and filtration services to her customers. She serves two roles, that of a […]
Pure Paani is exploring an array of distinct pump filter prototypes in order to determine which systems work best in low-income communities. Such devices need to be effective and portable while also being durable and affordable. The two most feasible filter types include hollow-fiber, ultra filtration membranes commonly used in gravity and RO systems and […]
Overview We want to incorporate a filter into our device that provides a high standard of contaminant reduction while operating at a high flow rate. In pursuit of such performance, we’ve decided to experiment with “ultrafilters” used in Kent-brand gravity systems. These filters route water through a bundle of “hollow fibers” which impede the progression […]
I like the automatic battery filter because we don’t have to do anything manually. The battery is good. We feel now we are getting clean water; the water is much better than before.
- Praveen
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