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| ULSD Compliance Project |
| Problem: |
To comply with the EPA mandated low sulfur standard for highway diesel, refiners are now required to meet a 15 ppmw sulfur specification on diesel sold into this market. To produce ultra low sulfur diesel (ULSD), high severity diesel hydrotreating technologies are required. These processes require a significant supply of hydrogen. In order to enter into the ULSD market, the client would need not only a process unit capable of producing ULSD specifications, but also an economical hydrogen source to supply the unit. |
| Solution: |
Polaris proposed a plant expansion design that would give the refiner ULSD production capability and a catalytic reformer. The reformer not only supplied the large quantities hydrogen needed, but also upgraded virgin naphtha to the much more valuable high octane reformate. An NGL refrigeration unit and a steam turbine generator were also proposed to handle the gas produced by the reformer. Enough hydrogen rich fuel was produced to supply all of the hydrogen and fuel requirements of the refinery as well as balance the refinery’s electrical consumption through steam turbine power generation. |
| Primary Teams: |
Polaris Engineering, Polaris Fabrication, Polaris Construction |
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