Weathering of Oil Spilled in the Marine Environment

Tarr Matthew A.; Zito Phoebe; Overton Edward B.; Olson Gregory M.; Adhikari Puspa L.; Reddy Christopher M.

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Weathering of Oil Spilled in the Marine Environment

机译：海洋环境中溢油的风化

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Crude oil is a complex mixture of many thousands of mostly hydrocarbon and nitrogen-, sulfur-, and oxygen-containing compounds with molecular weights ranging from below 70 Da to well over 2,000 Da. When this complex mixture enters the environment from spills, ruptures, blowouts, or seeps, it undergoes a continuous series of compositional changes that result from a process known as weathering. Spills of petroleum involving human activity generally result in more rapid input of crude oil or refined products (diesel, gasoline, heavy fuel oil, and diluted bitumens) to the marine system than do natural processes and urban runoffs. The primary physicochemical processes involved in weathering include evaporation, dissolution, emulsification, dispersion, sedimentation/flocculation, microbial degradation, and photooxidation.

机译：原油是数千种主要由碳氢化合物以及含氮，硫和氧的化合物组成的复杂混合物，分子量范围从70 Da以下到2000 Da以上。当这种复杂的混合物因溢出，破裂，爆裂或渗漏进入环境时，会经历一系列连续的成分变化，这些变化是由称为风化的过程导致的。与自然过程和城市径流相比，涉及人类活动的石油泄漏通常会导致原油或精炼产品（柴油，汽油，重质燃料油和稀释沥青）更快地输入海洋系统。风化所涉及的主要物理化学过程包括蒸发，溶解，乳化，分散，沉降/絮凝，微生物降解和光氧化。

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《Oceanography》 |2016年第3期|126-135|共10页
作者
Tarr Matthew A.; Zito Phoebe; Overton Edward B.; Olson Gregory M.; Adhikari Puspa L.; Reddy Christopher M.;
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Univ New Orleans, Dept Chem, New Orleans, LA 70148 USA;

Florida State Univ, Natl High Magnet Field Lab, Ion Cyclotron Resonance Program, Tallahassee, FL 32306 USA;

Louisiana State Univ, Dept Environm Sci, Baton Rouge, LA 70803 USA;

Louisiana State Univ, Dept Environm Sci, Baton Rouge, LA 70803 USA;

Louisiana State Univ, Dept Environm Sci, Baton Rouge, LA 70803 USA;

Woods Hole Oceanog Inst, Dept Marine Chem & Geochem, Woods Hole, MA 02543 USA;

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Weathering of Oil Spilled in the Marine Environment

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