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NeSSI at UOP

NeSSI at UOP. Used exclusively for gas handling Installations Pilot plants Combi lab Catalyst treatment lab Primarily Gen I with some automation Interfaced with a variety of control and data collection systems. Benefits/Drawbacks. Benefit Small footprint Real estate is valuable

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NeSSI at UOP

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  1. NeSSI at UOP • Used exclusively for gas handling • Installations • Pilot plants • Combi lab • Catalyst treatment lab • Primarily Gen I with some automation • Interfaced with a variety of control and data collection systems

  2. Benefits/Drawbacks • Benefit • Small footprint • Real estate is valuable • 3 pilot plants in the space of one • Pre-assembled and tested • Multiple vendors supply units to meet specifications • Design • Materials of construction • Components • Automation • Data collection • Control

  3. Benefits/Drawbacks • Drawbacks • Cabling (power, communications, actuation) is cumbersome • Modification of custom systems may require significant rebuild

  4. A Case for NeSSI Sensor Clusters

  5. Simple Sensors/Selection • The Dirty Dozen • Density • Refractive Index • Viscosity • Optical Absorbance • Dielectric • Electrical Conductivity • pH/ISE/ORP • Turbidity • Thermal Conductivity • Ultrasonic • Moisture • Gas Specific • Electrochemical • Metal Oxide • Vapochromic • Sensor Selection • Understand problem!!! • Expected composition • Pressure, temperature, flow • Physical properties • Generally one sensor per variable • Orthogonal sensor response to measurands • Co-linear responses provide no new information • Adds redundancy • Expect curvature in sensor response • Non-linear modeling techniques

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