Full-range FCC gasoline combined desulfurization process and device
一种脱硫工艺、全馏分的技术,应用在石油工业、加氢处理工艺、处理烃油等方向,能够解决辛烷值损失大、吸附剂再生频繁、加氢脱硫工艺路线长等问题,达到装置投资费用和操作费用低、吸附选择性和吸附容量高、保证长期稳定运行的效果
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Embodiment 1
[0092] This example utilizes as figure 1 The device shown in the figure carries out combined desulfurization treatment on the full cut FCC gasoline whose properties are shown in Table 1. The specific treatment method includes the following steps:
[0093] Table 1 Properties of full cut FCC gasoline
[0094]
[0095]
[0096] Step 1. Using full-fraction FCC gasoline and hydrogen as raw materials, hydrogen is mixed through the first pipeline 1 and full-fraction FCC gasoline through the second pipeline 2 into the first mixer 3, and the mixture of the two passes through the first heat exchanger 4. After heat exchange, it enters the diene removal reactor 5, and contacts with the diene removal catalyst 6 in the diene removal reactor 5, so that the whole cut FCC gasoline is subjected to a hydrogenation diene reaction; the hydrogenation diene The reaction conditions are: reaction temperature 80°C, hydrogen partial pressure 1.5MPa, hydrogen-oil volume ratio 100NL / L, liquid hourl...
Embodiment 2
[0103] This example utilizes as figure 1 The device shown in the figure carries out combined desulfurization treatment on the full cut FCC gasoline whose properties are shown in Table 1. The specific treatment method includes the following steps:
[0104] Step 1. Using full-fraction FCC gasoline and hydrogen as raw materials, hydrogen is mixed through the first pipeline 1 and full-fraction FCC gasoline through the second pipeline 2 into the first mixer 3, and the mixture of the two passes through the first heat exchanger 4. After heat exchange, it enters the diene removal reactor 5, and contacts with the diene removal catalyst 6 in the diene removal reactor 5, so that the whole cut FCC gasoline is subjected to a hydrogenation diene reaction; the hydrogenation diene The reaction conditions are: reaction temperature 100°C, hydrogen partial pressure 1.5MPa, hydrogen-oil volume ratio 120NL / L, liquid hourly space velocity 3.0h -1 . Sampling analysis after reacting 500h, find that...
Embodiment 3
[0111] This example utilizes as figure 1 The device shown in the figure carries out combined desulfurization treatment on the full cut FCC gasoline whose properties are shown in Table 1. The specific treatment method includes the following steps:
[0112] Step 1. Using full-fraction FCC gasoline and hydrogen as raw materials, hydrogen is mixed in the first mixer 3 through the first pipeline 1 and the full-fraction FCC gasoline through the second pipeline 2, and the mixture of the two passes through the first heat exchanger 4 After heat exchange, it enters the diene removal reactor 5, and contacts with the diene removal catalyst 6 in the diene removal reactor 5, so that the whole cut FCC gasoline is subjected to a hydrogenation diene removal reaction; The reaction conditions are: reaction temperature 180°C, hydrogen partial pressure 2.0MPa, hydrogen-oil volume ratio 150NL / L, liquid hourly space velocity 3.0h -1 . Sampling analysis after reacting 500h, find that the diene valu...
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