New clean-up tools being used to protect wetlands from Gulf of Mexico oil spill

Written by: Super Admin
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Washington, May 21(ANI): With oil from the Gulf of Mexico spill threatening fragile coastal wetlands, clean-up crews are about to discover whether a combination of old and new clean-up methods will help limit the environmental damage.

According to Chemical and Engineering News (C and EN) Assistant Editor Michael Torrice, scientists and engineers are using three basic tools to try to clean up the spill, in which millions of gallons of oil escaped into the ocean from an oil rig following a pipe rupture.

The tools include mopping-up the oil with absorbent pads called "skimmers", burning the oil in a controlled fashion, and breaking-up the oil into smaller particles using chemicals called dispersants.

Scientists are also investigating new clean-up methods which includes applying dispersants under water to prevent the oil from rising to the surface and forming emulsions, reddish-brown clumps of an oil and water mixture that are extremely difficult to clean up.

In recent tests of this approach, remotely operated underwater "robots" injected the dispersants directly into the leaking oil plume.

When oil hits the shore, scientists might rely on a more standard method and spray the wetlands with fertilizers that can boost the growth of naturally-occurring, oil-chomping bacteria that are found in the area. Whether or not this multipronged clean-up approach will save the wetlands remains to be seen. (ANI)

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