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RO109632B1
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Calcium silicate making process from wastes
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RO94194A3
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Continuous process for obtaining active silicon oxide
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RO86160A2
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Process for ammonia recovering by decomposing ammonium chloride from leaches resulted from sodium carbonate preparation
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RO85304A2
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Process for carbonation of ammonia brine
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RO79356A2
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Continuous process for obtaining active silica bioxide
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RO75583A2
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Process for the manufacture of sodium carbonate
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RO75951A2
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Automatic continuous flow installation for the optimization of chemical reactions with energy clearance in open static or rotary vessels
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RO63189A2
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Process for the production of calcinated sodium carbonate by the ammoniacal process
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RO64448A2
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Process for obtaining silicon bioxide
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RO63456A3
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Process for obtaining magnesium oxide from dolomy
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RO63139A2
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Installation for calcination of pulverulent materials
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RO63256A2
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Method and apparatus for cooling and purifying gases obtained in the decomposition of sodium bicarbonade
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