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To view the initial project description, click on
the following link for the
Project Readiness Package.
The goal of this Multidisciplinary Senior Design
project is to help a local non-profit organization,
B9 Plastics, save lives with their “Better
Water Maker” (BWM) water disinfection system
by creating a pre-filter for the product. The BWM
is designed for use in developing countries where
water is unsafe for drinking and electricity is
scarce. The current BWM is a batch Ultraviolet (UV)
disinfection system that treats ½ gallon per
minute of water at a time, utilizing a manual hand
crank (or another 12v source) to provide power to
its pump and UV light. As with all treatment
systems that use UV light to disinfect water, the
effectiveness of the system depends on the source
water being relatively clear, particle free, and
free of dissolved UV absorbing compounds, hence the
need to a pre-filter before using the BWM if the
source water does not meet these conditions.
B9 would like to develop an inexpensive filter that
would either have a very long life before
replacement is required or that can be
recharged/backwashed in the field for continued use
and eliminate problems that currently exist. A
previous design team designed a "French-Press"
style filter. The previous design has several
issues. First, the buckets used were all tapered,
meaning the filter would have to undergo a large
change in diameter as it is pushed through the
water. The filter was also difficult to remove from
the device due to suction from the forces on the
filter. Additionally, after continued use, the
handle loosened considerably, and wasn’t able
to be retightened.
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Project Name
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B9 Plastics Particle Filter
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Project Number
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P14417
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Project Family
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Start Term
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2131
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End Term
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2133
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Faculty Guide
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Gerald Garavuso, gxgddm@rit.edu
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Primary Customer
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B9 Plastics
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Kate Chamberlain, KateC@B9Plastics.org
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Bob Bechtold, bxb@Harbec.com
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Sponsor (financial support)
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Chris Fisher, MSD Office
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