MATERIALS RESEARCH AND TESTING INSTITUTE (MFPA) WEIMAR

Gypsum plaster made from recycled gypsum

The utilisation of recycled gypsum is becoming even more important with the upcoming loss of FGD gypsum. While RC gypsum (mainly from recycled gypsum plasterboard) is already being used in some cases for plasterboard, its use for other gypsum products is almost unresearched. Research results on a RC gypsum plaster will be presented.

1 Introduction

In recent years, extensive research projects on the recovery of gypsum from construction waste and industrial processes have been initiated in response to the announced coal phaseout and the resulting disappearance of FGD gypsum in Germany. In addition to the fundamental aim of conserving raw materials and resources, protecting the environment and climate, minimising landfill and converting to a more ecological industrial economy, the aim is to increase the recycling rate of gypsum while maintaining the same high raw material requirements [2] and to improve the general...

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