METHOD OF PRODUCING SPHERICAL GRANULES OF ACTIVE ALUMINIUM OXIDE Russian patent published in 1994 - IPC

Abstract SU 1515609 A1

FIELD: chemical technology. SUBSTANCE: amorphous aluminium oxide is crushed, washed and plasticized. Powder of technical clay or slip of ceramic production (its quantity being 5-80 mass % ) is added into plasticized mass. The process is followed by hydrocarbon-ammonium molding. Thus prepared granules are dried and calcined. Mechanical strength of granules is 200-240 200-240 kg/cm², their specific surface being 18-20 18-20 m²/g. EFFECT: increases thermomechanical stability, lows price of the process. 1 tbl

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SU 1 515 609 A1

Authors

Shkrabina R.A.

Korjabkina N.A.

Ismagilov Z.R.

Krasil'Nikova V.A.

Petrova A.S.

Dates

1994-05-30—Published

1988-02-09—Filed