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Blog by IPCO Power

IPCO Power and Mariflex treat non hydro treated Pygas with RVRS unit at LyondellBasell Marseille

25/8/2014

 
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In the last week of July Lyondell Basell Marseille made use of the PURGIT RVRS unit. During the loading of 12.000 tons of non hydro treated Pygas with a high content of Benzene into the MV Edzard Schulte, the PURGIT Refrigerated Vapor Recovery System was deployed to treat the vapor coming out of the vessel tanks.

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The vessel was filled with an average pump rate of 450 m3/hour. The operators worked in two shifts of 12 hours to finish the job within 48 hours. The deployment of this type of vapor treatment was a challenge for Fluxel who is the owner of the Port of Marseille and who expressed their contentment over the environmental results.
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Many other oil and chemical companies in the area showed  interest for the use of this unit for similar and numerous other applications.

Read more about the RVRS

Note: The pictures where taken before the start of operations
Note 2: Mariflex deploys the PURGIT RVRS under the name MVRU

What are VOC's

20/9/2013

 
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VOCs are everywhere: at homes, at dry cleaning units, at food processors, at petroleum refineries, at airports and automobile service stations, at electronics and chemical plants, at print and paint shops etc. VOCs are those chemicals that exposed to air volatilize readily. So, these compounds contribute to air pollution by their vapour and to water and soil pollution by that fraction which can be carried deep into the soil by rainwater and melting snow.

VOC and the environment:

VOCs are dangerous for humans, fauna and flora. Firstly, these compounds have been proved to cause a variety of adverse health effects (Minnesota Department of Health, 2003, Regional Environmental Assessments, 2002; U.S. EPA, 2003). Generally, allergic skin reaction, dizziness, headaches, eye and respiratory tract irritation, coughing, visual disorders, memory impairment, confusion, anemia and fatigue are some of the symptoms associated with short-term exposure. Kidney, liver, brain damage, cardiac sensitization reactions and also damage to the nervous, reproductive and immune systems are caused by long-term exposure. VOCs are also “endocrine impostors”. Some are also known or suspected of causing cancer. Also, the natural plant processes can be destroyed or interrupted by some organic volatile compounds. In the atmosphere these chemicals are transformed in other compounds even more dangerous for humans, fauna and flora. The ground level or “bad” ozone, a key ingredient of urban smog, is created by a chemical reaction between oxides of nitrogen (NOx) and volatile organic compounds in the presence of sunlight. Repeated exposure to ozone pollution may cause a variety of health problems (Clean Air Counts, 2003); ozone also reduces the growth rate of trees and agricultural production. VOCs participate in the greenhouse effect, acid rains and stratospheric or “good” ozone depletion, which are serious environmental problems (Avila et al., 1998). Consequently, VOCs are a great group of air pollutants and our duty is to eliminate them from being released. For this reason, firstly, we must know who are they and which are their sources.

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Barge Degassing

3/9/2013

 
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It is currently common practice that chemical tank barges having contained volatile cargos, degas their tanks into the atmosphere while sailing to the next loading point. In the context of sustainable development, there is growing pressure to limit degassing into the atmosphere.



With the Refrigerated Vapour Recovery System (RVRS) IPCO Power can offer a solution to reduce the VOC emissions from degassing events. The system recovers clean product from the vapours without reportable emissions. PURGIT RVRS uses a proprietary system that condenses and recovers tank vapours. Depending on the application PURGIT's condensers are capable to recover over 99% of the VOC.

The working of the PURGIT Refrigerated Vapour Recovery System

PURGIT RVRS uses a proprietary system that condenses and recovers tank vapours. This system draws the vapours out of the tank with a blower and then pushes them through a series of condensers. The VOC vapours are condensed back to their liquid phase and transferred to a holding tank or inserted right back into the cargo fill line. Depending on the application PURGIT's condensers are capable of recovering over 99% of the VOC. With few moving parts and stainless steel construction, these units are designed to operate for many years with minimal service. With the RVRS system VOC compounds are easily recovered. There is no combustion. Using non-polluting nitrogen as the refrigerant, this system is capable of the very low temperatures necessary to condense a wide range of products*. The RVRS's vapour recovery unit have been thoroughly tested in the field with a wide variety of products and have established a long track record of reliability and success.
*) Including chlorinated products

Closed Loop Tank Degassing
The PURGIT RVRS system is designed to degas atmospheric or inert barges (low or zero O2) and keep it inert throughout the operation. Drawing VOC vapours out of the tank, the PURGIT system condenses and removes the hydrocarbons from the vapour stream, returning only the non-condensable to the tank. Condensing and removal of the VOC in the tank or barge will continue until the required LEL level is reached. Normally it takes 1,5 times the volume of the tank. The RVRS will require approximately 1000 L nitrogen per 1000 cub of vapour.


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RVRS (MVRU) from Mariflex in the press

9/8/2013

 
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The Refrigerated Vapour Recovery System (RVRS) or Mobile Vapor Recovery Unit (MVRU) as called by Mariflex is now fully operational for barge degassings or vessel to vessel transfers. 
The Refrigerated Vapour Recovery System (RVRS) is a flexible solution to reduce the VOC emissions and is available in mobile and fixed version. The system recovers clean product from the vapours without reportable emissions. PURGIT RVRS uses a proprietary system that condenses and recovers tank vapours. Depending on the application PURGIT's condensers are capable to recover over 99% of the VOC. The RVRS is able to cool down the vapours to approximately -120˚C.

At the following links you can find the articles in Dutch:
http://maritiemnieuws.nl/48472/revolutionaire-damp-opvanginstallatie-operationeel/
http://maritiemnieuws.nl/48532/mariflex-maakt-tankers-inert-aan-eigen-kade/

First inland barge degassed with the PURGIT Refrigerated Vapour Recovery System

22/5/2013

 
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Mariflex Group in Vlaardingen, the Netherlands, degassed the first inland barge with the Purgit RVRS. The Refrigerated Vapour Recovery System (RVRS) is a flexible solution to reduce the VOC emissions during degassing. The first European degassing with the Purgit RVRS was performed in the presence and under supervision of the Port of Rotterdam and the DCMR (Environmental Protection Agency).



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Vapour Recovery: First RVRS has arrived in the Netherlands

13/2/2013

 
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The first Purgit RVRS for Vapour Control & Recovery Services International (VCRS) has arrived in The Netherlands. VCRS is powered by MariFlex Group and MarTest Cambrian. 
The company will operate the Purgit RVRS under the name of MVRU (Mobile Vapour Recovery Unit). The RVRS will be used for closed loop tank degassing of inland barges. 

IPCO Power represents PURGIT USA

19/9/2012

 
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IPCO Power BV is proud to present the Purgit Refrigerated Vapour Recovery System (RVRS) as it’s latest addition to Vapour Processing technologies. IPCO Power is the exclusive European representative of Purgit USA. Purgit is located in Houston USA and is in the market of Vapour Processing since 1992.

Purgit is a company with a proven track record and the PURGIT system is efficient, clean, and effective. PURGIT has been de-gassing tanks and barges for years and has dealt with many different products. For IPCO Power the addition of the RVRS will improve to ability to deal with the different challenges in the industry.

One of the future challenges is degassing of barges. In the Netherlands there are approximately 250 degassing from barges to the atmosphere per day. With the Purgit RVRS we can degas and inert barges at the same time. Vapour will not be released to the atmosphere, but recovered into liquid product.

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    Bart Sluimer is the General Manager of IPCO Power. IPCO Power is an international company specialized in environmental solutions for the petrochemical-, shipping- and power industry. Find us on google+ and twitter
    info@ipcopower.com

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IPCO Power BV
Spinel 400
3316 LG Dordrecht
The Netherlands

IPCO Power provides the shipping, power and petrochemical industry with environmental solutions for Fuel Treatment and Vapour Recovery.

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