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International Journal of Scientific & Technology Research

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IJSTR >> Volume 9 - Issue 2, February 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Impact Of The Dispersants On The Marine Environment

[Full Text]

 

AUTHOR(S)

Dimitar Dimitrakiev, Yuriy Dachev, Dobrin Milev

 

KEYWORDS

Dispersant, Oil spill, Response technique, Marine environment, Ecological process, Surfactant, Environmental protection

 

ABSTRACT

Use of oil spill dispersants is one of the possible oil spill response techniques that remove floating oil. Dispersants are an effective way of minimizing the overall ecological and socio-economic damage, by preventing oil from reaching coastal habitats and shorelines and meanwhile enhancing the natural biodegradation processes. Their use accelerates the rate and extent of natural dispersion and dilution of oil caused by wave action. The dispersants surface active agents transform by using the energy of the waves the most of the spilled oil into droplets. They are pushed into the upper column by wave action and kept there by turbulence. These oil droplets are much more available to naturally-occurring hydrocarbon-degrading microorganisms compared to floating or stranded oil. In comparison with other oil spill techniques it has some limitations related to oil viscosity and the time of applying after the oil spill.

 

REFERENCES

[1] IMO/UNEP Guidelines on Oil Spill Dispersant Application including Environmental Considerations. 1995.
[2] ITOPF Technical Information Paper No.4: Use of oil Spill Dispersants.
[3] IPIECA Oil Spill Report Series Volume 5: Dispersants and their Role in Oil Spill Response. Second edition, 2001.
[4] IPIECA and International Association of Oil&Gas Producers: Dispersants: Surface Application, Good practice guidelines for incident management and emergency response personnel. 2015.