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Issue 09/2009

Be ready for the economic upturn

IEEE Cement Industry Technical Conference, Palm Springs/USA (31.05.–04.06.2009)

“This year’s conference is the best opportunity for training that the cement industry has …” stated Phil Gaynor in the preconference interview for the IEEE 2009 conference. He added “that it...

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Issue 09/2009

From family firm to joint-stock company

150 years of engineering by Polyisus – a portrait

2009 is a special year for Polysius – 150 years ago the company is founded by Andreas Ernst Gottfried Polysius (Fig. 1). Born the son of a duke’s head shepherd on 17.11.1827 he earns the money to...

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Issue 09/2009

ProTex and Three E: The key to greater energy efficiency

1 Introduction Before introducing the achievements of the new ProTex filter medium and the Three E (Enhanced Energy Efficiency) technology, this paper provides a little background to these new...

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Issue 09/2009

New: EMC technology also for 10  m filter bags

1 Introduction After the use of 8 m filter bags had become state of the art in the cement industry thanks to EMC technology, intensive development work resulted in the successful transfer of EMC...

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Issue 09/2009

Process filter trends in the cement industry

1 Introduction In 1950 the dust emission level of cement factories in the ­leading western countries was still around 3.5 kg/t of cement. In other words, cement production lines with an output of...

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Issue 09/2009

Raw meal and secondary fuel metering in the cement industry

1 The use of rotary vane feeders in the cement industry In the cement industry, rotary vane feeders are employed as continuous discharge devices or metering devices operating as a rotary vane feeder...

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Issue 09/2009

Innovative measuring technology on the burner cuts operating costs when using liquid substitute fuels

The cement production process requires large quantities of ­energy. For this reason, the use of secondary fuels was studied intensively at an early stage, with the aim of reducing energy costs in the...

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Issue 09/2009

Change in dust collection technology

The development of PowerCore® fulfils the requirements for an easy and  service-friendly maintenance of dust collectors, which has been a demand of the industry for many years: With the incomparably...

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Issue 09/2009

State of the art of filtration in industrial ­processes

Call For Papers – 9th International Symposium Stuttgart 2009, Mercure Hotel Stuttgart City Center (24.–25.11.2009)

Efficiency as regards the reduction of pollutants with a simultaneously high profitability is the current demand in the field of industrial environmental protection. The filter materials in dust...

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