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Ultrasonic nozzle boosts water's cleansing
power
Thursday November 10, 2011 03:28:32 PM,
IANS
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London:
A revolutionary ultrasonic attachment for taps boosts water's
ability to clean.
Tim Leighton, professor at University of Southampton, and Peter
Birkin's device works with cold water, minimal additives and
consumes as much electrical power as a light bulb.
Its application will be wide -- licenses have already been sold to
a number of industries to look at cleaning in food preparation,
hospitals, manufacturing and homes.
Currently, industry uses excessive water, power and additives for
cleaning. For example, it can take up to 100 tonnes of water to
produce just a tonne of clean wool after shearing, according to a
university statement.
Many industrial processes also generate large quantities of
contaminated run-off. The water from hosing down an abattoir
represents a real health risk and cannot be allowed to enter the
water supply.
Purifying run-off is costly -- each cubic metre of water used for
cleaning in the nuclear industry can cost around 10,000 pounds to
subsequently treat.
"Society runs on its ability to clean. Ineffective cleaning leads
to food poisoning; failure of manufactured products such as
precision watches and microchips; and poor construction - from
shipbuilding to space shuttles - since dirty surfaces do not
bond," says Leighton.
The impact on healthcare is huge -- hospital-acquired infections
from instruments that aren't properly cleaned cost a lot.
The device uses less water and power than the equivalent pressure
washer (two litres per minute compared to 20 litres per minute and
less than 200 watts, compared to 2,000 watts).
It is also far less damaging as the stream pressure is less that
1/100th that of a pressure washer.
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Picture of the Day |
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More than 2.5mn people from all
across the world have gathered in Makkah for Haj which starts
November 05, 2011 this year. Haj, the fifth pillar of Islam is
a religious journey to the House of Allah in Makkah. This is
in response to the call of Prophet Abraham when Allah
commanded him to call mankind to perform Haj. Haj is the
largest gathering of Muslims as about three million Muslims
from all over the world meet to worship their Lord. All
barriers including language, color, class and race are broken.
(Photo:
Arab News/Ahmad Hashad) |
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