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Issue 09/2009

Perspectives and possibilities

6th Potsdam Technical Conference „Optimisation in the Thermal Treatment of Wastes and Residues“, Potsdam/Germany (19.–20.02.2009)

“One has to demand the impossible in order to achieve the possible” – this quotation from Helmut von Moltke served as the keynote for the 6th Potsdam Technical Conference. This conference, which...

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Issue 09/2009

European Minerals Day 2009

The European Minerals Day 2009 welcomed approximately 30,000 visitors at more than 170 sites in 27 countries (22 in Europe and 5 in other parts of the world).

The second European Minerals Day took place on May 15–17, 2009. Despite the economic crisis, this year’s event was even more successful than the first one in May 2007. Several factors contributed...

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Issue 08/2009

Mogensen Sizer technology for processing sand for renders and mortar renders

1 Changes on the building materials market Besides the basic mineral materials like gravel, quartz, stone, lime, cement, gypsum, clay, anhydrite and trass, chemical additives and non-mineral...

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Issue 08/2009

The country needs engineers

ZKG Technical Excursion 2009, Ennigerloh/Germany (04.–05.06.2009)

Video: International Recruiting Heidelbergcement “For the seventh month in succession the labour market in April 2009 showed a decline in job offers for engineers as a result of the overall...

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Issue 08/2009

Projects, Products and Problem Solutions

Building Materials Engineering Day, Essen/Germany (27.03.2009)

Actually innovative special cements and advanced high-performance concretes as well as projects, products and problem solutions involved should be in the focus of the Dyckerhoff Building Materials...

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Issue 08/2009

Strengthened from the crisis

A strong growth in net sales and a net profit at the same high level as the previous year are the key features of the 2008 business year for Endress+Hauser. The Group has created numerous jobs...

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Issue 06-07/2009

Effect of the limestone fabric on the fabric development in burnt lime

1 Introduction The thermal decomposition time of a limestone lump depends on the type of limestone, the dimensions of the lump and the thermodynamic conditions of calcination [1]. Different values of...

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Issue 08/2009

Gypsum and the groundwater directive

1 Introduction The European water policy aims at: ­– reducing the impact of human activity on the freshwater quality; ­– where necessary, progressively bringing the water back to a good...

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Issue 08/2009

Expert Optimizer increases Nordkalk’s production by 9 %

Expert Optimizer was installed on the lime kiln at Nordkalk Corporation’s Lohja plant in November 2006; secondary commissioning took place in July 2007. Now ABB announced the production increase...

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Issue 06-07/2009

Operating experience with an Eberhardt G 135 lime shaft kiln fired with natural gas

1 Introduction Their comparatively robust technology combined with high efficiency means that coke-fired lime shaft kilns are used widely throughout the world, including in the soda and sugar...

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