Inline CARS spectroscopy for real-time process optimization in sweetener refining

Overview

The Inline Four-Channel Coherent Anti-Stokes Raman Scattering (CARS) spectroscopy system is a cutting-edge solution designed for real-time, label-free, non-destructive monitoring and optimization of starch-based sweetener refining processes. By capturing four critical channels (788 cm⁻¹, 2930 cm⁻¹, 1650 cm⁻¹, and 2850 cm⁻¹), this system can deliver actionable insights into starch hydrolysis rates, glucose/fructose ratios, impurity removal efficiency, and residual protein levels. This technology promises to enhance yield by 2–8%, reduce energy consumption by 10–20%, and lower chemical and waste generation, thus aligning with industry goals for performance improvement and sustainability.

Technical specifications

• Four-Channel Monitoring: Captures sugar backbone vibration, CH stretching, protein amide I, and background signals.
• Seamless Integration: Compatible with existing DCS/PLC controls, requiring zero sampling or additional consumables.
• Real-Time Feedback: Provides immediate feedback on process parameters, enabling closed-loop control.
• Low-Risk Deployment: Builds on existing commercial Raman systems for a quick industrial adaptation.

Technology readiness level

The development of this technology is currently at Technology Readiness Level (TRL) 4, with plans for phased validation and integration. The first phase involves proof-of-concept testing and process adaptation, followed by blind validation and algorithm refinement, and ultimately high-throughput scale-up and full integration with TRL 9 targeted by completion.