Review of RF patents for refractory inventions

Review of RF patents for refractory inventions Refractories and Industrial Ceramics Vol. 52, No. 5, January, 2012 Review prepared by the editorial staff of Novye Ogneupory Translated from Novye Ogneupory, No. 10, pp. 58 – 59, October, 2011. sions, preparation of filler from crushed aluminoferous mate- A METHOD OF FABRICATING rial, production of molding compound, molding of the arti- CERAMIC PROPPANTS (VARIANTS) cles, drying, and hardening which is distinguished by the fact V. V. Alekseev, S. F. Shmot’ev, and S. Yu. Pliner that binder suspension with staged loading of the material into a mill and addition of water glass on each stage at a rate Patent RU 2381202 of 1 – 1.1% of the mass of the dry loaded material is pre- IPC C04B35/622, C09K8/80 pared by wet grinding of crushed aluminoferous material. 1. A method of fabricating ceramic proppants that com- The fractional composition of the filler is as follows, wt.%: prises granulation of the raw mixture, drying, roasting of the 1 mm, 6 – 8; 5 mm, 38 – 40; 10 mm, 54. The molding com- granules, and sizing into commercial fractions, which is dis- pound is prepared with moisture content 6.5 – 9.0% with the tinguished by the fact that prior to sizing Refractories and Industrial Ceramics Springer Journals

Review of RF patents for refractory inventions

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Springer US
Copyright © 2012 by Springer Science+Business Media, Inc.
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
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