✦ LIBER ✦

98/02107 Manufacture of artificial aggregate from fly ash : Kawamoto, K. et al. Jpn. Kokai Tokkyo Koho JP 10 29,841 [98 29,841] (Cl. C04B18/08), 3 Feb 1998, Appl. 96/186,450, 16 Jul 1996, 6 pp. (In Japanese)

Publisher: Elsevier Science
Year: 1998
Weight: 207 KB
Volume: 39
Category: Article
ISSN: 0140-6701
DOI: 10.1016/s0140-6701(98)80303-2

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✦ Synopsis

04 By-products related to fuels 9ai02104 ' '

The reactivity of coal-derived residues varied widely towards breakdown into lower boiling products.

High catalyst activity and solubilization appeared necessary for the conversion of these materials.

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98/02135 System of utilization of coal a

98/02135 System of utilization of coal ash for cement admixtures and concrete aggregate raw materials : Takekawa, T. et al. Jpn. Kokai Tokkyo Koho JP 10 01,339 [98 01,339] (Cl. C04B1S/08), 6 Jan 1998, Appl. 96/155,298, 17 Jun 1996, 4 pp. (In Japanese)

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specimens at high compressive stress level and by acetone impregnation were compared with ASTM and Hg porosity with promising results. Good porosity/strength correlations were found and a previous strength/time mathematical model always verified for cement without fly-ash was adjusted with success,

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