METHOD & PROCESS PRINCIPLE
Caustic extraction and catalytic oxidation are configured to feed mercaptan type, product target and caustic-management plan.
CRUDE OIL REFINERY SYSTEMS
Merox / Sweetening Systems
Converts or removes mercaptans from LPG, naphtha or kerosene streams where catalytic sweetening is appropriate.
MAIN EQUIPMENT & PACKAGE LIMITS
Prewash/extractor, oxidizer, disulfide separator, catalyst/caustic circulation, sand/clay filters and controls.
CRITICAL DESIGN INPUTS
Representative crude assay including API gravity/density, TBP or SimDist, sulfur, TAN, CCR/MCR, metals, salt, water/sediment, light ends and product targets; site ambient data, utilities and battery limits. Mercaptan sulfur, total sulfur, product doctor test/copper strip target and spent-caustic route.
ENGINEERING DELIVERABLES
Design Basis, heat and material balance where applicable, PFD, P&ID, datasheets, line/equipment lists, layout and 3D interfaces, control and safeguarding documents, inspection plan, operating and commissioning procedures.
AUTOMATION, SAFETY & HSE
Hazard review, alarms and interlocks, relief/vent/drain philosophy, hazardous-area classification, maintainable isolation, fire protection, emergency shutdown interfaces and environmental controls.
APPLICATIONS & PERFORMANCE BASIS
LPG, naphtha and kerosene sweetening, subject to feed/product requirements.
CODES, STANDARDS & QUALITY BASIS
Licensor standards, ASME, API, NFPA/IEC hazardous area and environmental spent-caustic rules.
CONTRACTUAL CODE BASIS
Licensor standards, ASME, API, NFPA/IEC hazardous area and environmental spent-caustic rules.