Device and process for producing p-xylene
A technology for para-xylene and xylene, which is applied in the field of devices for producing para-xylene, can solve the problems of increasing the fuel consumption of the xylene reboiler, increasing the operating load of the xylene tower, unreasonable energy utilization, etc., and reducing energy consumption. energy consumption, improving economic and social benefits, and improving thermodynamic efficiency
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[0060] Embodiment 1 illustrates the method and energy consumption of the novel p-xylene production process provided by the present invention. The equipment used is shown in Table 1, and the operating parameters and energy consumption of the device are shown in Table 2.
[0061] Table 1
[0062]
[0063] Table 2
[0064]
[0065] As can be seen from Table 1 and Table 2, compared with Comparative Example 1, the method for producing p-xylene provided by the present invention can save equipment investment, each reducing 1 set of rectifying tower, cooler reboiler equipment and 1 gas Investment in liquid separation tanks, air coolers and water coolers. Adopting the method provided by the invention not only reduces the number of equipment, but also reduces energy consumption by 19.2%. Therefore, adopting the novel p-xylene production method provided by the present invention can reduce equipment investment and floor space, reduce the operating load of the xylene tower, and sa...
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