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Issue 01/2009 Process Know-how

Selecting steel anchors for monolithic refractory linings

Part 1: Basics

1 Introduction The reliability of stainless steel refractory anchors in refractory lined process vessels is becoming more critical as companies pursue greater efficiency and safety. Therefore...

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Issue 01/2009 Process Know-how

Extraction characteristics of bulk materials from silos

Part 1: Basic experimental and theoretical principles

1 Introduction Silos have been used for centuries for storing bulk materials. It is important not only that the required quantity of bulk ma­terial can be stored in a silo but also that it can be...

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Issue 01/2009 Companies & Products

10 MW coupling combination with lock-up clutch

To improve the efficiency of the drives used for the large mills found in the cement industry, Voith Turbo GmbH & Co. KG has developed a powerful and slip-free coupling combination rated at 10 MW. The...

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Issue 01/2009 Events

Higher mobility and less traffic

7th Heidelberger Bauforum, Leimen/Germany (18.09.2008)

The future perspectives in the field of “mobility and traffic” are experienced quite differently at present: while some people expect a continuously growing traffic volume and a gridlock soon,...

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Issue 01/2009 Interview

Modernization of the Lafarge plant in Wössingen: Next step completed

ZKG-Interview Berthold Perschall

ZKG: How far have you now progressed with the modernization work at the Wössingen works? Berthold Perschall: We have progressed a good deal further in the last few months. The preheater tower has...

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Issue 01/2009 Associations

Eco-efficiency challenges in the industrial minerals sector

IMA Europe 2008 Conference, Brussels/Belgium (11.–13.09.2008)

From 11–13 September, leading industry and political representatives met in Brussels for the IMA Europe 2008 Conference. Keynote this year was ensuring sustainability in the extraction and...

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Issue 12/2008 Companies & Products

WACKER opens training center in Russia

WACKER, the Munich-based chemical group, has opened its new VINNAPAS® ACADEMY Training & Competence Center in Moscow/Russia in October (Fig. 1). The VINNAPAS® ACADEMY serves as an international...

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Issue 12/2008 Materials Science

Formation of hydrate spheres in ternary binder systems

This study examines the hydration kinetics of hydrate-sphere formation. This is a form of heterogeneous setting and can ­frequently be observed in ternary binder mixtures high in Portland cement and...

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Issue 12/2008 Process Know-how

Multiwall paper valve sacks – a quality product for packaging of building materials

Multiwall paper sacks (vulgo: bags) are produced in a range of styles, the most important being sewn or pasted side-gusseted sacks and pasted ­cross-bottom sacks. These two basic types are produced...

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Issue 12/2008 Knowledge

Oleochemicals – important additives for building protection

Oleochemical raw materials, namely metallic soaps and sodium oleate are characterized by a beneficial cost/performance ratio. The water absorption coefficient (w) in water resistant plasters has to be...

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