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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lee, Seung Woo Ryu, Jae Wook Min, Whasik |
| Copyright Year | 2003 |
| Abstract | SK Corporation of Korea has developed a unique process, SK hydrodesulfurization (HDS) pretreatment technology, to produce ultralow sulfur diesel (ULSD) with pretreatment of the middle-distillate-range petroleum fractions. This technology has been successfully demonstrated through a 1000 barrel/day (B/D) demonstration plant, which has been running since May 2002. This technology is based on the adsorptive removal of a small amount of nitrogen-based natural polar compounds (NPC). Dramatic improvement in deep HDS efficiency is observed with the removal of NPC from the feedstock.SK HDS pretreatment process consists of multiple adsorbers, two stripping columns for desorbent recovery, associated pumps, and overhead system. Middle distillate feed is pretreated prior to HDS process in the adsorbent vessels followed by stripping to remove a small amount of desorbent. The pretreated is then sent to the downstream HDS unit for sulfur removal. The rejected stream with high nitrogen content, about 2 vol%, can be either used as a blending stock for heavy petroleum products or processed in other refining units.This paper describes the fundamental principle of the process, discusses the case study results with various feedstocks and operation conditions in pilot plant and demonstration plant, and provides economic assessment data. |
| Starting Page | 271 |
| Ending Page | 279 |
| Page Count | 9 |
| File Format | |
| ISSN | 15711013 |
| Journal | Catalysis Surveys from Asia |
| Volume Number | 7 |
| Issue Number | 4 |
| e-ISSN | 15749266 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2003-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Physical Chemistry Industrial Chemistry/Chemical Engineering Catalysis Characterization and Evaluation Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Catalysis |
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