Page 68 - CIJ May 2023 Digital Edition

Product Feature

Small bubbles, huge impact

Cleaning and sanitisation can account for almost two-thirds of the
water needs of a pharma production facility. This in turn also forms the

main source of wastewater.

Aqueous ozone Many savings

Aqueous ozone or ozonated Using NAO in CIP and COP to
water has been accepted as an replace normal water for cleaning
antimicrobial agent and cleaner and rinsing could reduce cleaning
by the US FDA and certified times and chemical use by more
organic by the USDA. Most than 50-60% whilst enhancing
pharmaceutical plants have already outcomes significantly. This also
been using ozone for disinfection means less water and chemicals
of process water. However, using sent to the water treatment plant.
ozonated water or aqueous ozone
for cleaning and sanitisation in Reduction in cleaning time would
CIP and COP operations has been generate more production time and
largely ignored. hence generate payback.
This is perhaps due to the
fact that conventional ozonated Waste management
water has a very low half-life It does not end here. Nanobubble
and concentration limits, and oxygenation of aerobic tanks can
requires high contact tanks and enhance output results or reduce
safety measures due to off- treatment time by 40-50%...a huge
gassing limitations. Nanobubble saving in electricity costs and
technology (NBT) has eliminated enhancing treatment capacity.
these challenges.
Nanobubble ozonation of
Clean more with less effluent prior to aerobic treatment

Today, Accelerated Cleaning can be used to reduce recalcitrant
pollutant loads in minutes and
Systems can produce Nanobubble
Aqueous Ozone (NAO) in high make it more degradable prior
concentrations without being to going to aerobic tanks. When
limited by tank sizes or worrying coupled with nanobubble aeration
about off-gassing. NBT helps as a supplemental process to
make the ozonated water many existing tanks, pharma companies
times more powerful and potent. can expect output objectives
The resultant impact is this: you never achieved before at a lower
derive a cleaning liquid using no treatment cost.
chemicals but oxygen from the These small bubbles can change
air, which is 3,000 times faster
and 100 times more powerful than the way you clean and treat
bleach. This effectively means water. Organisations like DELL
what bleach could achieve in 10 Technologiesm IIT Bombay, Shell,
minutes, NAO can do in seconds, Bhabha Atomic Research Center
at 1/100th the concentration. and more have already harnessed
Nanobubble helps achieve CT this more sustainable and greener
times that were never possible way to clean and treat, while
before. saving money. CIJ

MAY 2023•Clean India Journal
68 www.cleanindiajournal.com