TREA

Calcium sulfate cements

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Industry

  • CPC
  • C04B11/00
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Parent Industries

CCHEMISTRY METALLURGY C04Concrete, cement, ceramics C04BLIME, MAGNESIA SLAG CEMENTS COMPOSITIONS THEREOF

Current Industry

C04B11/00Calcium sulfate cements

Sub Industries

C04B11/002Mixtures of different CaSO4-modifications C04B11/005Preparing or treating the raw materials C04B11/007After-treatment of the dehydration products C04B11/02Methods and apparatus for dehydrating gypsum C04B11/022Simultaneous dehydrating of gypsum and slaking of lime C04B11/024Ingredients added before, or during, the calcining process C04B11/028Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained C04B11/0281Kettles; Marmites; Autoclaves C04B11/0282Autoclaves C04B11/0283Fluidised beds C04B11/0285Rotary kilns C04B11/0286Suspension heaters for flash calcining C04B11/0287Multi-storey horizontal furnaces C04B11/0288Grates C04B11/032for the wet process, e.g. dehydrating in solution or under saturated vapour conditions C04B11/036for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln C04B11/05obtaining anhydrite C04B11/06starting from anhydrite C04B11/26strating from chemical gypsum starting from phosphogypsum or from waste C04B11/262waste gypsum other than phosphogypsum C04B11/264Gypsum from the desulfurisation of flue gases C04B11/266Chemical gypsum C04B11/268pelletizing of the material before starting the manufacture C04B11/28Mixtures thereof with other inorganic cementitious materials C04B11/30with hydraulic cements
Industries