METHOD OF PREPARING CARRIER FOR PETROLEUM PROCESSING AND PETROCHEMICAL PROCESS CATALYSTS Russian patent published in 2000 - IPC

Abstract RU 2145520 C1

FIELD: catalysts for petrochemical processes. SUBSTANCE: in a method consisting in molding aluminum and titanium compound mixture, drying, and calcination, distinguishing feature is that aluminum hydroxide is precipitated from sodium aluminate by nitric acid and nitric acid-soluble titanium salt at nitric acid-to- titanium molar ratio 1:(0.0001-0.006), pH 7.5-8.9, and temperature 50 to 100 C, after which precipitate is aged, mixed with titanium-free aluminum hydroxide at weight ratio 1:(0-1.25), washed, filtered off, peptized, dried, and calcined. EFFECT: increased catalytic activity. 4 cl, 1 tbl, 12 ex

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RU 2 145 520 C1

Authors

Shakun A.N.

Fedorova M.L.

Dates

2000-02-20Published

1998-10-26Filed