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STUDIES ON THE PROPERTIES OF NIAPO-11 MOLECULAR SIEVE

Duan Shu

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Abstract

The nickel aluminophosphate molecular sieve NiAPO 11 was synthesised hydrothermally. The adsorption isothermal line was determined. The number of surface acid was tested by ion exchange, n butylamine titration and pyridine poisoning. The catalytic activity of NiAPO 11 in cumene cracking was examined by the technology of Gas Chromatographic microcatalytic reactor system. The results showed that the NiAPO 11 molecular sieve has middle acid, and the largest free dimension of adsorption window was about 0.61 nm.

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What this paper is about

The nickel aluminophosphate molecular sieve NiAPO 11 was synthesised hydrothermally. The adsorption isothermal line was determined. The number of surface acid was tested by ion exchange, n butylamine titration and pyridine poisoning. The catalytic activity of NiAPO 11 in cumene cracking was examined by the technology of Gas Chromatographic microcatalytic reactor system. The results showed that the NiAPO 11 molecular sieve has middle acid, and the largest free dimension of adsorption window was about 0.61 nm.

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Available abstract

The nickel aluminophosphate molecular sieve NiAPO 11 was synthesised hydrothermally. The adsorption isothermal line was determined. The number of surface acid was tested by ion exchange, n butylamine titration and pyridine poisoning. The catalytic activity of NiAPO 11 in cumene cracking was examined by the technology of Gas Chromatographic microcatalytic reactor system. The results showed that the NiAPO 11 molecular sieve has middle acid, and the largest free dimension of adsorption window was about 0.61 nm.

Key concepts: Molecular sieve, Cumene, Adsorption, Pyridine, Chemistry, Inorganic chemistry, Catalysis, Titration

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