DEVELOPMENT OF EBULLATED BED HYDROGENATION TECHNOLOGY UNDER STRUCTURE TRANSFORMATION OF OIL REFINING
2021, 52(10):
110-117.
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The characteristics of STRONG ebullated bed hydrogenation technology independently developed by SINOPEC was described and the newly developed SINOPEC integrated resid upgrading technology (SiRUT) was introduced. Compared with other ebullated bed hydrogenation technology, the expensive high temperature and high pressure circulating pump was canceled in STRONG ebullated bed technology, and high-efficiency separation of gas-liquid-solid and self-sustaining fluidization were implemented. The new spherical catalyst, suitable for different reaction zones, good fluidization performance and high impurity removal rate, was developed. Moreover, the STRONG ebullated bed technology had characteristics of high-efficiency upgrading of inferior residue, flexible adjustment of product distribution and adaption to different raw material processing scenarios (such as residual oil, coal tar, etc.) and target products (such as clean oil, chemical raw materials, low-sulfur ship fuel, low-sulfur petroleum coke, etc.). At present, 50,000-ton/year demonstration device and 500,000-ton/year industrial ebullated bed device had been built, and the preparation of a million-ton-scale process package had been completed. In response to the structural transformation of oil refining, the SiRUT technology was developed, which had the advantages of strong raw material adaptability, long operation cycle of the device, and significantly improved properties of hydrogenated heavy oil. This new technology had high competitive advantage in improving quality and efficiency of existing and future refineries.
