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30.09.2022

Publications

Education and Training Programme 2023/24

VDZ's Education and Training Programme 2023/24 ranges from the teaching of technical basics to the imparting of special technical knowledge and education courses for managers. VDZ offers individual, tailor-made seminars on the topics of clinker and cement production, maintenance, quality assurance, environmental protection and concrete technology. Almost all seminars can also be designed and implemented as inhouse seminars according to individual customer requirements. In this new brochure you will also find two new seminar topics reflecting current developments in the cement and concrete industry.

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11.08.2022

Publications

Results: Stabilisation of processes with high secondary fuel use through the injection of oxygen in rotary kiln plants in the cement industry

The aim of the research project was to define the procedure for robust and precise dust analyses in factory laboratories in order to enable optimal utilisation of production dusts and to support process control.

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16.12.2021

Publications

Education and Training Programme 2022/23

VDZ's Education and Training Programme 2022/23 ranges from the teaching of technical basics to the imparting of special technical knowledge and education courses for managers. VDZ offers individual, tailor-made seminars on the topics of clinker and cement production, maintenance, quality assurance, environmental protection and concrete technology. Almost all seminars can also be designed and implemented as inhouse seminars according to individual customer requirements. More about the training programme 2022/23 and registration at: https://vdz.info/5c78h

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15.07.2021

Publications

Education and Training Programme 2021/22

With its "Education and Training Programme 2021/22" VDZ supports the efforts of the industry to be successful in the long term through consistent qualification of the workforce. VDZ ensures efficient and practical learning by providing a wide range of vocational training courses and (online) seminars covering technical basics, special technical knowledge and education courses for managers.

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01.07.2021

Research projects

Clinker burning with alternative fuels at low process temperatures - effects on coating formation and on the corrosion of refractory products in the cement rotary kiln as well as on the performance of cement

The replacement of primary fuels by alternative fuels is of great economic and ecological importance for the cement industry and is to be increased in the future. The fuel ashes are used as raw material in the cement clinker and influence its properties as well as the coating formation on the refractory lining in the kiln. Exact knowledge of these effects is indispensable for the further increase of the alternative fuel rate and the simultaneous optimisation of the kiln operation as well as for the maintenance of the clinker quality and the service life of the refractory lining.

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01.05.2021

Research projects

Calcined Clays from mineral secondary raw materials

The aim of the research project is to investigate the suitability of previously largely unused mineral secondary raw materials from the stone and earth industry as a resource-conserving and climate-friendly main cement constituent. The use of cal-cined clays from secondary raw materials instead of conventional main cement constituents or high-quality primary clays can make an important contribution to the production of climate-friendly and resource-efficient cements.

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01.05.2021

Publications

Investigations on the influence of sand and testing conditions on the expansion behaviour of concretes in ASR tests

Lopes Batista, António; Santos Silva, António; Fernandes, Isabel; Oliveira Santos, Luís; Custódio, Joao; Serra, Carlos, Hrsg. Proceedings of the 16th International Conference on Alkali-Aggregate Reaction in Concrete: Volume I (Lissabon 2021-2022.) Lissabon, 2021, S.631-641

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01.04.2021

Research projects

Use of X-ray fluorescence analysis to determine trace element contents in cements

The aim of the research project is to develop a procedure for analysing trace elements on cements using X-ray fluorescence analysis. In addition, precision data and application limits are to be determined, which are essential in order to be able to classify the results.

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04.11.2020

Publications

Results: Cement chemical optimisation of cements containing fly ash

This publication is just available in German.

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01.10.2020

Research projects

Resource-efficient use of sulphate-containing process dusts for sulphate optimisation using isothermal heat flow calorimetry

The research project analyses whether sulphate-rich process dusts can be used to optimise the sulphate content of cements, thereby saving anhydrite/gypsum and, in particular, improving the early strength of cements with several main constituents. Furthermore, it is to be determined whether isothermal heat flow calorimetry can be used as a fast and cost-effective investigation method for this purpose.

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