Method and device for preparing low carbon olefine and arene
A technology for low-carbon olefins and aromatics, applied in the field of catalytic conversion, can solve the problems of low propylene yield, inability to produce low-carbon olefins and aromatics at the same time, moving reforming catalysts, and complex regeneration process.
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[0100] This example follows figure 1 The process of catalytic cracking is tested, the reactor of catalytic cracking is a medium-sized riser + fluidized bed, and the tests of hydrotreating, steam cracking, selective hydrogenation and solvent extraction are all carried out on the corresponding medium-sized test equipment.
[0101] The operating conditions and product distribution are shown in Table 2. It can be seen from Table 2 that the yields of propylene and ethylene are as high as 40.65% by weight and 20.64% by weight respectively, and the yields of toluene and C8 aromatics are 4.34% by weight and 5.18% by weight respectively.
[0102] Raw oil properties
[0103] Example
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