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US2921779A
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Rotary kilns
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US2973244A
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Process of sintering aluminum containing minerals
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US2895725A
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Rotary kiln construction
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GB812147A
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A process for the preparation of an aqueous slurry of ground inorganic hydrophilic solids having an alkaline reaction in water
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DE1115172B
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Process for the production of aqueous slurries of ground, inorganic, hydrophilic solids, which react alkaline in water and aqueous media
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US2825626A
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Removal of alkali metal oxide from solid residues
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US2790725A
|
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Lowering the viscosity of cement slurry by addition of co2 gas
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DE846253C
|
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Process for the production of aluminum hydroxide
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DE841724C
|
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Process for the production of portland cement
|
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DE841450C
|
|
Process for the production of aluminum hydroxide
|
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GB601968A
|
|
Improvements in the extraction of alumina from its ores
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US2421918A
|
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Process of producing aluminum oxide substantially free from silica
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US2438488A
|
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Process of making alumina utilizing kaolin, marl, and related materials
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CA621630A
|
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Rotary kiln construction
|
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CA548423A
|
|
Lowering the viscosity of cement slurry by addition of co2 gas
|
|
CA458432A
|
|
Process of making portland cement
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CA430816A
|
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Leaching method
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