Over the past 30 years Municipalities and Industries
have used Chemicals to control H2S odors and to help
reduce corrosion by lowering the atmospheric H2S.
Thirty years ago it was the best and only way for the
reduction of corrosion, however, that does not hold
true today.
NRPGroup, Inc. has developed a number of products
that are chemical free (Green products) for the reduction
of atmospheric H2S and for corrosion, eliminating the
need for harsh chemicals that are a hazard to the public
as well as to the municipality employees who are in
contact with it.
In the collection system treating for H2S using NRP10-1000, will perform equally as well or better in the
reduction of atmospheric H2S as chemicals such as,
Bioxide (Calcium nitrate), Thiogard (Alkaline Slurry) and
Ferrous Chloride (Iron Ash). The difficulty with these
three chemicals are that they are only a masking agent,
therefore, the sulfates end up at the influent of the
wastewater plants. Overall these chemicals create
more corrosion to materials exposed to the water
column and in the Bar Screen of the plant than if you
used no products at all for the elimination of H2S.
NRP10·1000 is the only product listed above that
can treat the atmospheric H2S and also eliminate
the slime layer in the lines, a combination of NRP10-1000/NRP10·1060 reduces the sulfur that builds up
over time on the interior walls of the sewer lines but
if using chemicals it would have no effect on the slime
layer. NPR's unique anti-corrosive product NRP10-1060 is a product when used in conjunction with the
wastewater, again helping to prevent corrosion in the
wet wells, pumping stations, pumps, equipment and
sewer lines.
Conclusion:
Using harsh chemicals to reduce corrosion in most
cases does more harm than good for the prevention
of corrosion while attempting to eliminate the levels
of atmospheric H2S a contributor for corrosion.
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