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Views: 148 Author: Site Editor Publish Time: 2023-02-15 Origin: Site
Oil spills are one of the biggest environmental disasters that can have a severe impact on the marine ecosystem and wildlife. In recent years, several measures have been taken to prevent oil spills from occurring and to minimize their impact. In this article, we will take an in-depth look at some of the measures being taken to prevent oil spills
lImproved Tanker Design: The design of oil tankers has been improved to make them safer and more secure. This includes double hulls, which provide an extra layer of protection against leaks, and improved navigation and communications systems that help prevent accidents.
lStrict Regulations: Governments around the world have introduced strict regulations to prevent oil spills. These regulations cover everything from the design of oil tankers to the training of crew members and the procedures they must follow in the event of an oil spill.
lEmergency Response Plans: Companies operating oil tankers are required to have emergency response plans in place, which outline the steps they will take in the event of an oil spill. These plans include procedures for responding to spills, as well as measures to minimize their impact, such as the use of booms and skimmers to contain the spill and prevent it from spreading.
lTechnology: Advancements in technology have played a significant role in preventing oil spills. For example, sensors and other monitoring systems can detect oil spills in real-time and provide information about their location and size, allowing for a rapid response. In addition, new technologies such as oil spill dispersants and bioremediation have been developed to help mitigate the impact of spills.
lEducation and Awareness: Finally, education and awareness play a crucial role in preventing oil spills. Companies, governments, and organizations are working to educate the public about the dangers of oil spills and the steps that can be taken to prevent them. This includes providing training and resources to communities, schools, and businesses to help them understand the importance of protecting the environment.
In conclusion, there are several measures being taken to prevent oil spills, including improved tanker design, strict regulations, emergency response plans, advancements in technology, and education and awareness programs. While oil spills are still a major concern, these measures are helping to minimize their impact and protect the environment.Oil is often called the "blood" of industry. After entering the industrialized society, oil can not only extract various types of fuels (gasoline, diesel, etc.), but also produce various products closely related to modern life (such as lubricants, asphalt, plastics, etc.), which make a great contribution to mankind. However, oil pollution also follows. In the process of exploitation, transportation, loading and unloading, processing and use of oil, pollution caused by leakage occurs from time to time, and most of it occurs in the sea. In recent years, oil spills above 1000 tons have been common. For example, the Greek "prestige" Tanker spill in 2002, the Gulf of Mexico oil spill in 2010, and so on. However, oil pollution also follows. In the process of exploitation, transportation, loading and unloading, processing and use of oil, pollution caused by leakage occurs from time to time, and most of it occurs in the sea. In recent years, oil spills above 1000 tons have been common. For example, the Greek "prestige" Tanker spill in 2002, the Gulf of Mexico oil spill in 2010, and so on. After the oil spill, if no emergency treatment and disposal is carried out, the oil floating on the sea will enter the deep ocean due to the movement of waves, tides and other seawater. With the passage of time, the oily sediments produced by the leaked oil will continue to sink into the seabed. Then, the oil will be absorbed by seafloor organisms, which will cause great damage after entering these organisms, especially to juvenile fish, fish eggs or shrimp larvae. So, what should we do in the face of offshore oil pollution?
Although at the current level of science and technology, we cannot completely eliminate the impact of oil spills on marine ecology, we can minimize its destructive power. In the long run, there are three main approaches: first, improve energy efficiency and actively develop clean and renewable new energy to reduce human dependence on oil; The second is to further strengthen maritime safety, reduce the probability of oil leakage, and block the opportunity for oil products to enter the sea directly at the source; Third, do a good job in the research and development of emergency plans and technical equipment for offshore oil spill treatment and disposal, and do a good job in the long-term prevention and control measures of offshore oil pollution.
In the short term, when pollution occurs, we can do our best to restore the environment of the accident sea area and avoid the continuous pollution of the sea under the strong self purification ability of the sea water itself, supplemented by artificial strengthening measures.
At present, for the sudden major offshore oil leakage accidents, the commonly used treatment and disposal methods can be divided into physical method, chemical method and biological method.
Chemical method is to spray chemical agents on the oil floating on the sea surface to change the dispersion state of the oil and remove it.
Biological method is to throw a large number of artificially cultivated and domesticated "oil decontamination microorganisms" into the oil polluted sea area, so that these biological armies can devour the leaked oil.
Physical method is divided into oil containment, mechanical method and adsorption method. The oil containment boom method is to use the pvc oil boom to limit the offshore oil layer, which can intercept, control and transfer the spilled oil, and can quickly and efficiently prevent the diffusion of oil and reduce the polluted area; Mechanical method is to use skimmer to recover oil slick quickly and effectively; The adsorption method uses lipophilic adsorption materials to make the spilled oil stick to its surface and be adsorbed and recycled. After the oil leakage accident, the physical method is generally used for disposal at the first time.
Here is the contene list:
lapplication scope of oil containment boom.
lfunction of oil containment boom.
lbasic structure of oil containment boom.
Portable oil containment booms are often used to prevent the spread of oil pollution in oil spills at sea and ports. It is composed of inflatable floating body, skirt, tension belt, counterweight chain, anchor parts, etc. it is fixed around the oily water surface that needs to be fenced with anchors. It can be divided into marine type, offshore type, port type and other types according to the use area, and has corresponding different technical data.
After the oil spill accident, under the action of external factors, the oil spill will drift and spread at will. In order to facilitate the recovery operation or to dredge the oil spill flow to the designated place, especially in the area with turbulent river or near shore water flow, in order to effectively control the flow direction of the oil spill for recovery or to prevent the oil from entering the sensitive area, the oil containment fence is usually used to set an external defense according to the set angle. There are generally two situations for oil spill diversion. One is to arrange the floating boom for a long time, which is generally arranged at the water intake and power plant; Another situation is to set up Rubber oil boom near reefs, mainly when oil spills occur, temporarily set up pvc oil boom according to the specific situation, so as to realize the diversion of oil spills and lead the oil spills to areas that are easy to recover or other areas of non sensitive resources.
lprevent potential oil spills.
Preventing potential oil spills usually refers to placing oil containment boom in advance for oil spill prevention and control according to the local water conditions where oil spills may occur or there is an oil spill risk. This can prevent the spread of oil spills when oil spills really occur, and take recovery measures to recover the oil spills in the containment in time. When a ship carries out oil loading and unloading operations at the wharf or oil lightering at the anchorage, it is usually necessary to arrange an floating boom in advance according to the specified requirements for setting control; Sometimes, a grounded or sunken ship should be properly enclosed and controlled according to the actual situation before it is salvaged.
loil spill containment and concentration.
After an oil spill accident, the oil spill will rapidly spread and drift under the influence of tide, wind and other external factors, forming a large area of pollution. When oil spills occur in open waters, inshore waters or ports, oil containment boom should be placed in time to control the spilled oil in diffusion in time. By dragging or narrowing the enclosure range through the oil containment booms, the oil film can be gathered to a smaller range for recycling, which can not only prevent the spread of oil spills, but also increase the thickness of oil film for recycling or other treatment.
There are many kinds and forms of oil containment fence. But the basic structure is composed of floating body, skirt, tension belt, counterweight and joint.
Floating body: the part that provides buoyancy for the pvc silt curtain. Its function is to use air or buoyant materials to provide buoyancy for the oil boom, so that the oil boom can float on the water. The floating body can be placed inside or outside the surface of the oil boom.
Skirt: refers to the continuous part of the oil boom below the floating body. Its function is to prevent or reduce the escape of oil from under the oil boom. Tension belt: refers to a long belt component (chain, belt) that can withstand the horizontal tension applied to the oil boom. It is mainly used to bear the tension generated by wind, waves, currents and towing.
Counterweight: ballast that enables the oil boom to sag and improve the performance of the oil boom, which can make the oil boom in an ideal state in water. Generally, it is made of steel or lead, or water is used as ballast.
Joint: a device permanently attached to the Rubberc oil fence to connect each section of the oil boom or other auxiliary facilities.
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