High efficiency, lower temperatures – grinding with cryogenic technology

Messer, the world’s largest family-run industrial gases specialist, will showcase its cryogenic grinding processes at Powtech in Nuremberg from 9 to 11 April 2019. At its stand during the event (Hall 4A, Booth 4A-531), Messer will demonstrate the advantages of liquid nitrogen and carbon dioxide for cold grinding and provide visitors with information about cryogenic equipment for product and mill cooling.

“Cold grinding involves cooling and embrittling substances with cryogenic liquid nitrogen or carbon dioxide. This process allows particularly fine grain sizes and a high material throughput to be achieved. In addition, nitrogen and carbon dioxide create an inert atmosphere by displacing oxygen, thus providing a high level of protection against dust explosions,” Oliver Dietrich, a cold grinding expert at Messer, explains. It is difficult to separate composite materials using conventional grinding techniques. By contrast, cryogenic grinding technology facilitates efficient and environmentally friendly separation of such materials into their individual components. When grinding spices, the high temperatures generated during the grinding process may result in a loss of aroma and flavour. In the case of heat-sensitive materials, increases in temperature can be prevented by cooling the grinding process with cryogenic gases.

Messer’s cold grinding and recycling testing facility

Messer operates a highly specialised testing facility in Krefeld, Germany. The whole facility serves as a reference as it is designed along the lines of a production facility. The results obtained here are also of particular interest for the very reason that they can be applied to large-scale production. Besides simply producing grinding samples, the facility also makes it possible to estimate actual production costs and perform comparisons with other grinding processes. It is also possible to optimise existing customer mills. Messer can supply the granulate coolers, nitrogen control valves and temperature control system required for on-site testing of these mills at customer sites.

Über die Messer Group GmbH

Messer was founded in 1898 and today is the largest family-run specialist for industrial, medical and specialty gases worldwide. Under the brand ‘Messer – Gases for Life’ the company offers products and services in Europe, Asia and the Americas. The international activities are directed from Bad Soden near Frankfurt am Main. Stefan Messer, owner and CEO of the Messer Group GmbH, works together with the more than 11,000* employees worldwide according to defined principles: These include customer and employee orientation, responsible behaviour, corporate responsibility, excellence as well as trust and respect.
The Messer Group GmbH generated consolidated sales of 1.3 billion euros in 2018.

From acetylene to xenon, Messer has one of the most diverse product portfolios on the market – it produces industrial gases such as oxygen, nitrogen, argon, carbon dioxide, hydrogen, helium, shielding gases for welding, specialty gases, medical gases and many different gas mixtures.

Messer has state-of-the-art research and competence centres in which it develops applied technologies for the use of gases in almost every sector of industry, in food technology and environmental technology, medicine as well as research and science.

* incl. as of 01.03.2019 at equity consolidated Messer Industries GmbH

Firmenkontakt und Herausgeber der Meldung:

Messer Group GmbH
Messer-Platz 1
65812 Bad Soden
Telefon: +49 (6196) 7760-0
Telefax: +49 (6196) 7760-442

Angela Bockstegers
Specialist Public Relations
Telefon: +49 (2151) 7811-331
Fax: +49 (2151) 7811-598
E-Mail: angela.bockstegers@messergroup.com
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