A Microcatalytic System for Gas Oil Cracking

Chen, Nai Y.; Lucki, Stanley J.

doi:10.1021/i260037a013

Cited by 2 publications

(6 citation statements)

References 2 publications

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“…The development of a microcatalytic system for gas o:l cracking (Chen and Lucki, 1971) reduced the quantity of c:rtalvst required to as low as 0.1 cm3, and with the aid of gas ckrromatographv and mass spectroscopy, the test provides such information as activity, yield, and octane of gasoline. The speed of catalyst evaluation has always been influenced by the necessary :nimmum amount of catalyst needed for testing its perfor-~i a n c~.…”

Section: Intrsatmionmentioning

confidence: 99%

“…The gas products, collected in the liquid nitrogen trap, are weathered to room temperature into a constant volume evacuated bomb and its volume is measured (Chen and Lucki, 1971). It is cooled to -4 O F to condense the liquid products and then to a liquid nitrogen trap to condense all the condensables.…”

Section: E)~sctpillptiom Af Tebk Ljnitmentioning

confidence: 99%

“…A schematic diagram of the unit is shown in Figure 1. Referring to the original microcatalytic system (Chen and Lucki, 1971) the major modifications consist of the following. (1) An electrically operated three way valve (Vs-in.…”

Section: Description Of Test Unitmentioning

confidence: 99%

“…X 10-ft SE-30 Silicon gum rubber column. The gas products, collected in the liquid nitrogen trap, are weathered to room temperature into a constant volume evacuated bomb and its volume is measured (Chen and Lucki, 1971). The gases are then analyzed on a Vs in.…”

Section: Description Of Test Unitmentioning

confidence: 99%

“…The speed of catalyst evaluation has always been influenced by the necessary minimum amount of catalyst needed for testing its performance. The development of a microcatalytic system for gas oil cracking (Chen and Lucki, 1971) reduced the quantity of catalyst required to as low as 0.1 cm3, and with the aid of gas chromatography and mass spectroscopy, the test provides such information as activity, yield, and octane of gasoline. The obvious drawback of such a test is that it produced only a miniscule amount of product and offered limited ability to testing aging properties of new catalysts.…”

Section: Introductionmentioning

confidence: 99%

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An Automated Microcatalytic System for Gas Oil Cracking

Chen¹,

Burgess²,

Daniels³

1977

Product R&D

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The fixed bed microcatalytic system reported earlier (Chen and Lucki, 1971) has been modified and automated. The automated system is used to do repeated cycles of crackinghegeneration. Thus, the cyclic nature of the catalytic cracking process can be simulated by this unit. The test procedure is programmed by an electric timer to actuate six control circuits over a 60-min cycle allowing unit operation substantially unattended. The circuit is particularly suited for studies of long term stability of cracking catalysts.

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Section: Intrsatmionmentioning

confidence: 99%

Section: E)~sctpillptiom Af Tebk Ljnitmentioning

confidence: 99%

Section: Description Of Test Unitmentioning

confidence: 99%

Section: Description Of Test Unitmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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