Hydrotreating method of high-acid and high-calcium crude oil
A technology for hydrogenation of residual oil and crude oil, applied in refining to remove heteroatoms, etc., can solve problems such as low metal content, achieve low hydrogen consumption, reduce hydrogen cost, and avoid corrosion.
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Embodiment 1
[0038] High-acid high-calcium crude oil and hydrogen are contacted with upflow hydrotreating catalyst RUF-1 in the crude oil hydrogenation reaction zone to carry out hydrotreating reaction, and the reaction products are cooled and separated to obtain hydrogen-rich gas and liquid products. The hydrogen-rich gas is recycled back to the upflow reactor, and the main properties of the obtained hydrogenated crude oil are shown in Table 3. The hydrogenated crude oil enters the atmospheric tower and is fractionated to obtain naphtha, diesel oil and atmospheric residue. The properties of the atmospheric residue are shown in Table 4. The atmospheric residue then enters the residue hydrogenation reaction zone and contacts with RG-10A, RG-10B, RDM-2 and RMS-1 in sequence. The properties of the hydrogenated oil are also listed in Table 4.
[0039] It can be seen from 3 that at a hydrogen partial pressure of 3.0MPa, a reaction temperature of 350°C, and a hydrogen-oil volume ratio of 200Nm ...
Embodiment 2
[0043] High-acid high-calcium crude oil and hydrogen are contacted with upflow hydrotreating catalyst RUF-1 in the crude oil hydrogenation reaction zone to carry out hydrotreating reaction, and the reaction products are cooled and separated to obtain hydrogen-rich gas and liquid products. The hydrogen-rich gas is recycled back to the upflow reactor, and the main properties of the obtained hydrogenated crude oil are shown in Table 3. The hydrogenated crude oil enters the atmospheric tower and is fractionated to obtain naphtha, diesel oil and atmospheric residue. The properties of the atmospheric residue are shown in Table 4. The atmospheric residue then enters the residue hydrogenation reaction zone and contacts with RG-10A, RG-10B, RDM-2 and RMS-1 in sequence. The properties of the hydrogenated oil are also listed in Table 4.
[0044] It can be seen from 3 that at a hydrogen partial pressure of 5.0MPa, a reaction temperature of 350°C, and a hydrogen-oil volume ratio of 200Nm ...
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