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Preparing molded articles from gypsum, useful in manufacture of cement, where the gypsum is derived from gas desulfurization units and is mixed with coal fly ash before compaction
Preparing molded articles from gypsum, useful in manufacture of cement, where the gypsum is derived from gas desulfurization units and is mixed with coal fly ash before compaction
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机译:由石膏制备模制品,可用于制造水泥,其中石膏来自气体脱硫装置,并在压实之前与粉煤灰混合
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摘要
Method for preparing molded articles (A) from REA-gypsum (I; i.e. prepared during desulfurization of combustion gases from coal-fired power stations), particularly for use in the cement industry, comprises dewatering (I); mixing with dry coal fly ash (II) and compacting the mixture. An independent claim is also included for (A), particularly for use in the cement industry, that contain (I) and (II).
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