IFPAC 2006 Ne SSI Update Micro Photometers Spectral

IFPAC 2006 Ne. SSI Update Micro Photometers & Spectral Sensors for the Ne. SSI Platform John Coates Consulting

Micro Photometers and Micro. Spectral Sensors n n A new way of viewing process monitoring… a paradigm shift (need a new term)? Low cost and multi-point monitoring (smart valves? ) Not a replacement for instrumentation…but a major enhancement Micro Photometers l l n Multi-channel…multi-component Delta composition monitoring Micro Spectral Sensors l l Full spectral representation Flexible and programmable devices Concentration and composition monitoring Delta composition monitoring

Multi-Channel Photometric Sensor (Absorption & DRI)

Modeling the Photometric Sensor

Example: Binary Mixture Analysis

Implementation Spectral Sensing: On-line Ne. SSI-based Systems Integrated Spectral Sensing Module Example Format: Intra. Flow

Spectral Engine…How it Works n n Spectral selective sensing on a chip l Color Sensor l Full Spectral Sensor Integration of chip with all functional components l l l Spectrometer Function n Full Spectral Micro-electronics with embedded intelligence and communications l Color Chip Scale Spectral Devices Light Source Sample Interface (Cell) Electronics Correlates to Spectral Data Example Spectrum

Overview of Electronics and Data Handling with Spectral Sensors m. P-1 – Example… a PIC (Micro-Chips) for acquisition and data formatting m. P-1 Display (Portable) Serial (485), Wireless CAN-BUS m. P-2 + Link to Predictive. Adaptive Controller m. P-2 – PIC or Continuously Variable Spectral Sensor Array Mosaic Sensor Array DSP for data extraction, numerical computation Example electronics …Automotive Rated Specifications

NIR System: Application to Chemicals

Monitoring Blending and Distillation Processes: Deviations and Composition

Applications: Refinery, Plant and Beyond… n Conversions, distillations, blending…and more n Fuel distribution – pipelines, distribution centers, etc. n Smart burners…evaluation of fuel efficiency for boilers with feedback n Regulatory applications…validation of fuels at the pump…state inspectors n Solvent characterization n Solvent recovery systems…including solvent recovery boilers n Multiple point monitoring…cost effective

Spectral Sensor: Application to Beverages

Monitoring Fermentations and Distillations

Implementation of an On-Line Reagent Integration System

On-Line Implementation of Micro-Spectral Sensing System with Reagent Chemistries On-Line Calibration & Validation Reagents Micro-Dispensing Spectral Sensor

Example Spectral Analysis with Reagents: Free Chlorine Content in Drinking Water

Applications: Water Distribution, Processing and Waste Management, Etc… n Water purification and distribution l l n Water waste management…testing for known materials…heavy metals, etc. l l l n Metal working facilities Electroplating…heavy metals Run-off from plants Cooling towers…water conditioning l n On-site testing at public buildings…including schools and hospitals Monitoring for chlorine and other standard parameters, heavy metals, specific toxins, etc. Monitoring inhibitors Environmental Monitoring l Lakes, rivers, streams…watersheds, etc.