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Re: jesss post# 45707

Saturday, 05/07/2011 3:28:15 PM

Saturday, May 07, 2011 3:28:15 PM

Post# of 54875
New Product? Dispersant = Detergent. They want a cheap "green" dispersant to mix with the cellulose insulation. Some kind of Dispersing Absorbent? Is that physically possible?

from last May...

"It's important to remember that oil is a biological product and can be degraded by microbes, both on and beneath the surface of the water," Hazen said. "Some of the detergents that are typically used to clean up spill sites are more toxic than the oil itself, in which case it would be better to leave the site alone and allow microbes to do what they do best."

Manufacturers argue that prompt use of such detergents, also called dispersants, can move oil more rapidly to those microbes. But BP announced late Wednesday that it would halt dispersant of the chemicals while agencies further assess its environmental impact.

Dispersants work on an oil spill as dishwashing detergent works on a greasy skillet: They break up oil into tiny droplets that sink below the water's surface where naturally occurring bacteria consume them. Without dispersants, oil stays on the water's surface, where bacteria can't get at them, said Mani Ramesh, chief technology officer of dispersant manufacturer Nalco.