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[...]... Hot Temp °C GO-HDS Unit 600 55 87-90 GO-HDS Unit 600 42 (1) GO-HDS Unit 4000 55 - 51 - Treated Gasoil Product GO-HDS Unit Diesel blending 600 Treated Off -gas GO-HDS Unit HCDS Unit 2700 64 max Off Gas GO-HDS Unit Sat gas Plant 50 55 max Off Gas GO-HDS Unit RFCC Unit 90 55 max Wild Naphtha GO-HDS Unit Sat Gas Plant 450 50 Wild Naptha GO-HDS Unit RFCC Unit 250 50 GO-HDS Unit 300 45 GO-HDS Unit 800 55... Stripper Unit 500 55 Oily Water GO-HDS Unit Effluent Treatment Atm 55 max 38 56 (1) To be advised by Licensor 3550-8110-PD-014-0001DOC DSN: 192 A GAS OIL HYDRODESULPHURISER UNIT DUTY SPECIFICATION 6 FOSTER WHEELER ENERGY LTD PROCESS DOCUMENT PROCESS ENGINEERING 3550-8110-PD-014-0001 PAGE 17 OF 17 REV D2 PROCESS GUARANTEES A complete definitive guarantee statement for the Gasoil Hydrodesulphuriser Unit... materials required for Gasoil Hydrodesulphuriser Unit (GO-HDS) in addition to the feedstock, hydrogen, catalysts, chemicals and utilities discussed in this document This specification shall include materials, hazard data, method of use, frequency of use and consumption The design shall include all specialised equipment required for their use 3550-8110-PD-014-0001DOC DSN: 192 A GAS OIL HYDRODESULPHURISER. .. DOCUMENT PROCESS ENGINEERING 3550-8110-PD-014-0001 PAGE 16 OF 17 REV D2 BATTERY LIMIT CONDITIONS When the Gasoil Hydrodesulphuriser Unit is operating at design throughput the temperature and pressure of the feeds and products shall be as follows: Operating Process Streams Straight Run Gasoil Feed Light Cycle oil Feed Make up Hydrogen From Crude distillation Unit RFCC Unit Hydrogen Compression and distribution... including turnaround, catalyst change-out and typical trip outage 4.7.3 Turndown The Gasoil Hydrodesulphuriser Unit (GO-HDS) shall be designed to operate satisfactorily in the range 50% to 100% of design feed rate of the feed case defined in section 4.4 while meeting all required product specifications 4.7.4 Cycle length The Gasoil Hydrodesulphuriser Unit (GO-HDS) must be designed for a minimum cycle length... acid gas per moles of MDEA Rich amine return: max 0.4 moles H2S per moles of MDEA or 70% approach to equilibrium-which ever is smaller value of the two 3550-8110-PD-014-0001DOC DSN: 192 A GAS OIL HYDRODESULPHURISER UNIT DUTY SPECIFICATION 4.7.17 FOSTER WHEELER ENERGY LTD PROCESS DOCUMENT PROCESS ENGINEERING 3550-8110-PD-014-0001 PAGE 15 OF 17 REV D2 Process Control, Safety and Shutdown Systems The Gasoil... procedures associated with these activities especially sulphiding and oil purging Licensor shall advise expected start up and shut down periods (including heating and cooling down rates and time 4.7.16 Purification of Off -gas Streams: The Unit design shall incorporate amine absorber for removal of H2S from sour offgas and recycle gas The amine solvent shall be MDEA Lean amine will be supplied from a... order to provide optimum refinery efficiency Licensor shall investigate the potential for recovery of low grade heat from the process Unit and utilities system 3550-8110-PD-014-0001DOC DSN: 192 A GAS OIL HYDRODESULPHURISER UNIT DUTY SPECIFICATION FOSTER WHEELER ENERGY LTD PROCESS DOCUMENT PROCESS ENGINEERING 3550-8110-PD-014-0001 PAGE 13 OF 17 REV D2 Licensor shall base the inclusion of energy integration... and unload catalysts Licensor shall provide guidance as to any special conditions relating to these operations and any effluent problems that might be expected 3550-8110-PD-014-0001DOC DSN: 192 A GAS OIL HYDRODESULPHURISER UNIT DUTY SPECIFICATION 4.7.12 FOSTER WHEELER ENERGY LTD PROCESS DOCUMENT PROCESS ENGINEERING 3550-8110-PD-014-0001 PAGE 14 OF 17 REV D2 Chemicals Licensor shall specify consumption... based on “sharp cut” crude assay data Licensor to take into consideration that the hot feed from CDU and cold feed from intermediate storage tanks could be wet 3550-8110-PD-014-0001DOC DSN: 192 A GAS OIL HYDRODESULPHURISER UNIT DUTY SPECIFICATION 4.7.2 FOSTER WHEELER ENERGY LTD PROCESS DOCUMENT PROCESS ENGINEERING 3550-8110-PD-014-0001 PAGE 12 OF 17 REV D2 On stream factor The GO-HDS shall be designed . GOHDS H2 SR Gasoil LCO Sweet Off Gas to HCDS Off Gas + Wild Naphtha to Sat gas Plant Treated Gas Oil to Storage & Blending GAS OIL HYDRODESULPHURISER UNIT DUTY SPECIFICATION. the Gasoil Hydrodesulphuriser Unit (GO-HDS): • Unstabilised Naphtha (Wild Naphtha) to Saturated Gas Plant • Sweet gas to HCDS Unit for recovering H2 in PSA • Off gas to the saturated gas. DESIGN 4.1 Design Objective The Gasoil Hydrodesulphuriser Unit (GO-HDS) shall process wet Gasoil streams from the Crude Distillation Unit (CDU) and Light Cycle Oil from the RFCC. The Unit shall