High-purity piperylene preparation method
A technology of crude piperylene and piperylene, which is applied in the field of preparation of high-purity piperylene, can solve the effect of affecting the application of piperylene, affect the subsequent application of piperylene, and cannot be removed at the same time Problems such as piperylene, to achieve the effect of reducing operating severity, reducing energy consumption, and improving product quality
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Embodiment 1~10
[0028] 1. Crude piperylene raw material
[0029] The crude piperylene used in Examples 1-10 is derived from the crude piperylene product obtained by separating cyclopentadiene and piperylene in a C5 separation device. Its components are shown in Table 1.
[0030] Table 1. Composition of crude piperylene
[0031] serial number
composition
Content / %(wt)
1
6.90
2
18.70
3
trans-1,3-pentadiene
44.30
4
cis-1,3-pentadiene
26.70
5
0.80
6
Carbon six and others
2.60
[0032] Two, piperylene de-alkyne
[0033]
[0034] Wherein (2-butyne content) in is the content of 2-butyne at the inlet; (2-butyne content) out is the content of 2-butyne at the outlet.
[0035] The performance parameters of 13x molecular sieve are shown in Table 2
[0036] Table 2
[0037]
[0038] The adsorption de-alkyne reaction of the C5 fraction is carried out in a ...
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