Different approaches
are described to quantify hydrogen consumption,
gas production, and mass balances in batch reactors for conducting
hydrocracking experiments. The methods studied were by weight, by
measuring the volume of gas loaded and unloaded from the reactor (with
gas syringe and with gasometer), and by calculating the gas volume
with an equation of state. All of the approaches proved to be adequate
with low losses of mass. Experimental data of slurry-phase partial
hydrocracking with mineral catalyst (molybdenite and hematite) conducted
in reactors of different size were used to apply the various methods.
The size of the reactor did not have a significant effect on the properties
of the products, although a larger reactor size allows for a better
precision in the measurement of the amount of feeds and products.
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