ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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The production of 'V-K' chalk from sugar-beet defecation lime cake

J. Vašátko and V. Križan

Slovak Academy of Sciences, Bratislava

 

Abstract: Sugar-beet defecation lime cake contains very fine crystals of CaCO3 and aggregates of CaCO3 with org. matter which cannot be removed mechanically. Org. matter can be eliminated by the action of alkali hydroxides, aerobic micro.ovrddot.organisms such as Fusarium bulbigenum, heating to 550°, or bleaching with Cl. A chalklike substance contg. 99.0% CaCO3 is obtained. It is similar to chalk derived from limestone and has a very wide com. use.

Full paper in Portable Document Format: 75-6a299.pdf (in Slovak)

 

Chemical Papers 7 (5-6) 299–316 (1953)

Monday, June 21, 2021

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