Removing
Algae from Cooling Pond |
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Boom was used to corral the algae
so it could be pumped out of the pond. |
An operator mans the pump
to insure
the flow stays on high ground. |
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Boats were used to pull boom to gather
the algae so it could be fed to the pumps. |
Workers rake the algae to the pump intake. |
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A2Z
received a call from Mittal Steel explaining the cooling pond was
being overrun with algae. It was endangering the cooling system
in place. Our services were required to remove the algae from the
pond. We sent a five man crew to assess the situation and begin
work. It was determined that the best way to remove the algae was
to corral the algae using boom and pumping the algae to higher
ground to die. Two boats were brought in along with several thousand
feet of boom and two pumps to remove the algae. The algae was corralled
to a section of the pond away from the outfall and water intake.
It then had to be raked to a 4" diaphragm pump for removal.
The algae didn't pump readily; it had to be fed into the
inlet hose manually with rakes. During the latter stages of removal,
the algae - water mixture was thin enough that the algae would
flow back into the pond. Our drivers delivered several of A2Z's
30 yard roll-off containers to the site. Liners were put in the
containers and the algae-water mixture was pumped into the them.
When the containers were full, they were allowed to drain. The
algae remained in the container. When the water drained off, the
containers were refilled. This procedure was repeated until the
container was full of algae. The algae product was then dumped
onsite at the landfill located at the far side of the Mittal Steel
property. This procedure continued until the weather cooled and
algae growth was no longer a threat. |
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