Oil Spills ©
From 09/16/2014 to xx/xx/xxxx
1. An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution. The term is usually applied to marine oil spills, where oil is released into the ocean or coastal waters, but spills may also occur on land. Oil spills may be due to releases of crude oil from tankers, offshore platforms, drilling rigs and wells, as well as spills of refined petroleum products (such as gasoline, diesel) and their by-products, heavier fuels used by large ships such as bunker fuel, or the spill of any oily refuse or waste oil.
Spilt oil penetrates into the structure of the plumage of birds and the fur of mammals, reducing its insulating ability, and making them more vulnerable to temperature fluctuations and much less buoyant in the water. Cleanup and recovery from an oil spill is difficult and depends upon many factors, including the type of oil spilled, the temperature of the water (affecting evaporation and biodegradation), and the types of shorelines and beaches involved. Spills may take weeks, months or even years to clean up.
Oil Spills, Wikipedia, 9/16/2014
Cleaning oil spills is still a difficult, inadequate
process inspite of the many new devices and approaches. Belisle developed a
porous oil-capturing water-repelling and water-permeable net that can be dragged
vertically through an underwater oil spill area of the Gulf to collect and
remove oil. The net consist of threads and wires knotted, twisted, and woven to
form a regular pattern with fine spaces between the threads. Superhydrophobic
materials are applied to the net-type material by casting, vapor deposition,
particle deposition or sol-gel techniques and allowed to solidify and bind to
the net structure.Natural, organic, inorganic and synthetic sorbents are applied
to the net.
US Patent 8,785,347 (July 22, 2014), “Gulf Oil Spill Underwater Oleophilic Hydrophobic Oil-Capturing Water Permeable Drag-Net,” William Redvers Belisle (New Orleans, Louiisana, USA).
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Roger D. Corneliussen
Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921
Copyright 2013 by Roger D. Corneliussen.
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