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Issue 3/2016 VDZ TECHNICAL CONFERENCE ON CEMENT PROCESS ENGINEERING, DÜSSELDORF/GERMANY (04.02.2016)

Focus on environmental technology and process engineering developments

t’s a long tradition that the VDZ Technical Conference on Cement Process Engineering takes place on Weiberfastnacht (“Women’s Carnival”), during Germany’s annual “Karneval” festivities. This year, too, nearly 200 specialists from the cement industry and allied disciplines met for the kick-off of the street pageant in ...

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Issue 3/2016 LEIBLEIN

Wet preparation at Schaefer Kalk

Schaefer Kalk, with registered offices in Diez an der Lahn, is a family-managed lime industry company with a long tradition and plants located in Germany, Europe and around the globe. Ever since the company’s foundation in 1860, innovative thinking, high quality standards and diversification into lime products for numerous industries have made Schaefer Kalk a byword for burned and unburned lime products, precipitated calcium carbonates (PCC) and premixed dry mortars. Its range of products extends from ...

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Issue 3/2016 MUĞLA SITKI KOÇMAN UNIVERSITY

Grinding and classification performance evaluation and modelling of an industrial-scale horizontal roller mill process

1 Introduction Cement is conventionally produced in multi-compartment type ball mills which is a energy intensive process [3]. Typical energy consumption of the grinding stage of cement production is...

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Issue 3/2016 OTTO VON GUERICKE UNIVERSITY MAGDEBURG

Simulation of limestone calcination in normal­ shaft kilns – Part 3: Influence of particle size ­distribution and type of limestone

The decomposition process of individual particles with different particle size distributions and different types of limestone will be presented. Residual CO2 can only be found in the largest ...

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Issue 3/2016 BAUHAUS UNIVERSITÄT WEIMAR

Silicate coatings for concrete components with waterglass systems by means of ­neutral salt initiation

1 Colloid formation and sol-gel transition in waterglass solutions As early as around 1950, publications appeared describing and/or correlating the turbidity appearances and increasing viscosities of...

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Issue 3/2016 DI MATTEO GROUP

Increasing the availability of high-precision dosing systems by remote maintenance ­solutions and pro-active service

This article provides an overview of typical concepts and methods for the usage of remote maintenance procedures and corresponding proactive services by using the example of high-precision bulk material dosing systems. ...

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Issue 3/2016 FLORIAN HOFBAUER, RENK AG, AUGSBURG/Germany

The new Renk COPE Drive for Loesche mills

On August 18, 2015, and together with mill manufacturer Loesche, Renk presented the new COPE Drive for Loesche mills to an international audience of cement industry experts gathered in Augsburg. We interviewed Florian Hofbauer, Executive Board member of Renk AG, about the new drive system and its advantages. ...

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Issue 3/2016 BUZZI UNICEM SPA

Buzzi Unicem: Cement volumes at 25.6 million tons in 2015

The Board of Directors of Buzzi Unicem SpA met on 10 February 2016 to examine the preliminary figures for the financial year 2015. Cement sales of the group totaled 25.6 million tons, +1.7 %...

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Issue 3/2016 WO 2016/014022 A1

Encapsulated fluid-loss additives for cement compositions

(22) 21.07.2014 (43) 28.01.2016 (57) Disclosed are methods and compositions for cementing in a subterranean formation. An example method of cementing comprises providing a cement composition...

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Issue 3/2016 WO 2016/009257 A1

Dry cement mixture

(22) 23.06.2015 (43) 21.01.2016 (57) A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a...

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