Aspen RefSYS is scalable, allowing users to build refinery models in a series of stages. It also provides an intuitive user interface with access to a sophisticated set of modeling tools, including refinery properties and mixing rules, distillation column technology, first principle refinery reactor models, and a crude assay management system.

     Aspen RefSYS is a part of the aspenONE? Simulation & Optimization for Petroleum solution.

（三）Features：

• Leading Edge Refining Technology Access to CrudeManager from Spiral Software, Ltd.
  1. Flexible component slate to model user components
  2. Crude assay database

• Aspen HYSYS flowsheet environment
  1. Commercially proven engineering tool
• Petroleum-specific properties and mixing rules
  1. 100+ properties
• Continuous petroleum property propagation
  1. Unique software architecture allowing efficient refinery-wide modeling
  2. Petroleum properties that are dynamically updated across reactors in the flowsheet

（四）Petroleum-Specific Operations

• Manipulation of assay properties
  Ability to adjust assay properties to match plant data
• Feed and product blender
  1. Product feedstocks are blended to maximize profit and meet product specifications
  2. Simulation of mixed feeds and spiked feeds
• Petroleum zone-by-zone distillation
  1. Robust model that tunes to match plant data
  2. Support of crude, vacuum and FCC main fractionation columns in both zone-by-zone and rigorous tray-by-tray modes
• Optimization technology
  1. Industry-proven Sequential Quadratic Programming (SQP)



（五）Reactor Models

• FCC Model
  1. Flexible topology supporting multiple licensors
  2. Catalyst database
  3. Unique feed fingerprinting capabilitie
• Reformer Model
  1. CCR and Semi-Regen configurations
  2. Advanced tuning capabilities
  3. Catalyst deactivation rates based on catalyst metals loadings and historical catalyst performance
• Hydrocracker Model
  1. Flexible topology supporting multiple licensors
  2. Modeling of all key reactions – HDS, HDN, metals removal, saturation of olefins and aromatics, ring opening, ring dealkylation, paraffin cracking, paraffin isomerization
  3. Catalyst deactivation model
• Hydrotreater Model
  1. Flexible topology supporting multiple licensors
  2. Specific models to distillate, VGO and residue feeds
  3. Clean fuels applicati