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Issue 06-07/2009

Ecological comparison between hydrated lime and sodium bicarbonate when used for dry flue gas purification

Lime plays an important role in environmental protection. Not only due to its properties but also due to its natural occurrence, it is suitable and accepted for universal application in the...

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Issue 06-07/2009

Optimising plant components using flow simulations

1 Introduction CFD (Computational Fluid Dynamics) makes it possible to predict system behaviour in detail far exceeding traditional and costly test set-ups. Heat transfer, pressure loss behaviour,...

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Issue 06-07/2009

Flexible plant equipment geared for the future

On 23.04.2009, the official start-up of the first ever Roto ­Classic® Packer [1–2] from Haver & Boecker took place at the Phoenix Cement Works Krogbeumker GmbH & Co. KG in Beckum/Germany (Fig. 1)....

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Issue 05/2009 Process Know-how

Grinding technology – not just for the Russian market

1 Introduction For more than 100 years, the Loesche GmbH has been developing and manufacturing vertical roller mills for grinding cement raw material, coal, clinker, granulated blast furnace slag and...

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Issue 05/2009 Process Know-how

Recent trends in calciner design

1 Introduction The cement industry has become significantly more energy efficient during the last 30 years with new plants having the standard features of cyclone preheater systems with precalciner...

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Issue 05/2009 Process Know-how

Storage, conveyance and metering of hygroscopic bulk products

1 Introduction Urea, due to its extremely pronounced capacity to absorb and fix water, is classified as highly hygroscopic. The product is an important nitrogen fertilizer, and is also used...

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Issue 05/2009 Companies & Products

New limestone crushing unit for Giant Keystone

Following the positive experience with Giant Cement at the Harleyville working site, Bedeschi America supplied a limestone crushing unit to Giant Keystone, Summerville SC/USA. It is a double crushing...

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Issue 05/2009 Companies & Products

Dustproof conveying of alternative fuels

The HOLCIM Bulgaria cement plant in Béli Izvor (Fig. 1) has installed 4 conveyor belts 800 mm wide, and with a total length of 210 m, designed and delivered by STANDARD ­INDUSTRIE. HOLCIM are very...

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Issue 05/2009 Associations

VDMA: Large industrial plant engineering sector well prepared

Bookings by members of the German Large Industrial Plant Manufacturer’s Group (AGAB) increased to a record 32.8 billion Euro in 2008 compared to 32.4 billion Euro in 2007 (Fig. 1). “Since the...

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Issue 05/2009 Inside

Installation assignments in new plants and solutions for every type of repair

1 Introduction TEUTRINE GmbH provides solutions for varied engineering, installation and repair tasks and has become established in the cement industry as a service partner to plant manufacturers and...

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