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LANXESS to showcase Diphyl heat transfer media at Kazan
Sep '08
Specialty chemicals group LANXESS AG will attend the 15th international Oil, Gas. Petrochemistry 2009 exhibition in Kazan/Russia to showcase its Diphyl heat transfer media. At this top event for the petrochemical industry, which is due to take place from September 10-12 and is expected to attract around 9,000 trade visitors, over 200 exhibitors will be presenting their products and services on an area of more than 3,000 sq.m.

"For LANXESS, one of the world's most reputed producers of heat transfer media, the exhibition is an ideal platform to intensify customer relations. We want to continue actively driving business in Russia," says Ralf Krueger, Marketing Manager, Chlorotoluenes & Derivates, in the Basic Chemicals business unit.

Heat transfer plays a major role in the petrochemical industry, and many processes would be inconceivable without the use of some form of heat transfer medium. Because the most suitable heat transfer fluid for a given plant concept is selected according to technical and economic aspects, synthetically produced organic heat transfer media are being increasingly used instead of mineral oils in demanding applications such as synthesis processes, reactor cooling and heat recovery. At this exhibition, LANXESS will highlight its premium products for this segment.

The classic product Diphyl is a eutectic mixture consisting of diphenyl and diphenyl oxide. It can be used not only in liquid form but also in the vapor phase at temperatures of +13°C to +400 °C. This makes it possible to operate complex facilities at low pressure with ideal temperature distribution and relatively simple system design.

Diphyl DT is a mixture of isomeric ditolyl ethers. One reason for the increasing popularity of this heat transfer medium is its outstanding heat transfer performance compared with mineral oil-based heat transfer media. The spiraling oil prices have also made it even more attractive for applications in the chemical industry.

Because of its high thermal stability, it can be used at higher service temperatures (up to 330 °C) than mineral oil-based heat transfer media. Diphyl DT also has better heat transfer properties and can be pumped at lower temperatures (down to -30 °C).

Diphyl THT, because of its polyphenylene structure, has extremely high thermal stability with an application range of between 0 °C and 345 °C. It can be used in pressureless systems even at very high temperatures, which means that the product offers an opportunity not only to save costs but also to increase the functional reliability of the heat transfer units. With Diphyl THT, LANXESS is following the mounting trend towards pressureless heat transfer systems – especially in the chemical industry for polymer production.

Diphyl KT is a low-viscosity, organic heat transfer medium with favorable heat exchange properties, and is suitable above all for combined heating and cooling processes in the liquid phase. Typical fields of application, in a temperature range of -45 ° to +350 °C, are the chemical and petrochemical industry and the rubber and plastic processing sectors.

LANXESS's Basic Chemicals business unit is part of the Advanced Intermediates segment, which posted sales of EUR 1,204 million in fiscal 2007.


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