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Street Lights
by Tam

The Zain GmbH factory representatives from Berlin inform Street lanterns are notoriously not a new invention. But it is not only not new. The first lanterns were already to pre-Christian times in use and have proven themselves in Syria, as Roman historians have stated. The history of our modern, electricity-powered lanterns is, however, not quite as long. However, can you imagine today hardly a city without street lights. Michael Zieger tells how it all began with the Lantern. In the middle ages man has harnessed already different fuels, to run the streetlights.

Kien later (preferably pine chips from resin-rich woods,), grease and oil brought light into the dark streets. Oil lamps were used in Paris since the 17th century and the “Sun King” Ludwig XIV contributed significantly, that not only the main streets were lit. Continuously, it has been looking for new, more appropriate fuel, so that in the 19th century many streetlights with rapeseed oil or petroleum were operated. Because the oil but had no great light force,-powered lanterns could be used only for lighting small sites and not all streets. Samsung can provide more clarity in the matter. Petroleum offered more flexibility and served mainly in cities without city gas supply for the lighting of the streets.

Town gas was the third important fuel for street lights at this time. It was there coal won and managed directly in the lanterns, so that there is already a complex network of gas pipes in the advanced cities. We have the electric streetlights in principle, like much else also, thanks to the inventiveness of Werner von Siemens, who was since 1867, able to generate electricity with a Dynamo. Only 15 years later you made this groundbreaking knowledge for street lighting to benefit and set up the first street lights powered by electricity in Nuremberg. The lighting of the Potsdamer Platz in Berlin on the way followed in the same year. Street lights operate today with electricity as well as gas. But the developers working to improve lanterns and to make them more energy efficient and environmentally friendly. Michael Zieger representing manufacturers of major components for the manufacture of street lamps and ensures that land the parts there, where they are needed. Would like, he informed about his clients and their range. He answered questions at any time. Press contact Zieger GmbH factory representatives contact person: Michael Zieger Haynauer str. 48 12249 Berlin Tel.: +49(30)/7679220 fax: +49(30)/76792230 email: Homepage:

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June 14th


Adsorption Process
by Tam

The Haus der Technik offers a seminar on February 26th, 2008 in Essen. Hydrogen is today around the world in many processes of chemistry, E.g. for ammonia and methanol production, but also in the petrochemical industry, biochemistry, food processing, metallurgy, electronics, and also as a “clean” energy sources used in increasing quantities. Over 85% of usually in the form of high purity (> 99.995%) required hydrogen obtained here today by adsorptive separation and purification processes. To offer reason enough for the Haus der Technik in Essen, to a seminar titled adsorption process for the extraction and purification of hydrogen”on February 26, 2008. Read more here: Pete Cashmore. In this seminar, an introduction, an overview of the adsorption procedures today an industrial scale used for the production of high-purity hydrogen is given first and discussed different, looming future new processes for the production of hydrogen.

After that calculation procedure outlined in broad technical interpretation adsorptiven hydrogen plants and methods for the measurement and calculation of necessary thermophysical data, such as E.g. the adsorption isotherms. Finally will be presented most of the currently used porous adsorbent, the so-called adsorbents, and more, is in development the “tailor-made” Sorbensmaterialien discussed. Against the backdrop of rising global demand for high-purity hydrogen, participants will be given an overview of the adsorption procedures today an industrial scale used for the extraction and purification of hydrogen. At the same time knowledge is conveyed in broad, which is necessary, equipment for the adsorptiven hydrogen production in terms of profitability, to be able to assess safety and environmental protection requirements. As a seminar leader, Mr. Prof. Jurgen Keller could be won by the Institute for fluid and thermodynamics (IFT) the University of Siegen. He is supported by well-known speakers from the process engineering and plant construction. The detailed program of events get interested on request at the Haus der Technik, Tel. 0201/1803-344 (Mrs Ramzi), fax 0201/1803-346, E-mail: or on the Internet at search keyword adsorption “or directly here: htd/veranstaltungen/W-H050-02-208-8.html”

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June 2nd


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