LNG-Quality Release System (L-QRS)

Software solution for efficient LNG loading operations

  • Instant availability of both certificate of quality & bill of lading, based on real-time quality measurement 
  • Certified by NMi and compliant with ISO 8943, GPA 2172, ASTM 4784, GIIGNL
  • Automated instrument validation and statistical process control according to international standards 
  • Energy calculations, loading mass balance and billing reports on vapour returns

LNG-Quality Release System (L-QRS)

Software solution for efficient LNG loading operations

  • Instant availability of both certificate of quality & bill of lading, based on real-time quality measurement 
  • Certified by NMi and compliant with ISO 8943, GPA 2172, ASTM 4784, GIIGNL
  • Automated instrument validation and statistical process control according to international standards 
  • Energy calculations, loading mass balance and billing reports on vapour returns

Overview

The KROHNE L-QRS is a quality measurement software system for real-time product release of LNG loading, using on-line measurements and certified statistical calculations, including quality and outlier calculations. Providing the instant availability of the certificate of quality avoids costly sample handling, laboratory tests and retrospective corrections of the bill of lading and quality certificates. 

The system is certified by NMi, the independent internationally accredited institute, and compliant with ISO 8943, GPA 2172, ASTM 4784 and GIIGNL. It combines analyser management and data acquisition (AMADAS) functionality, using control charting techniques and statistical process control to determine the performance, availability and maintainability of the process analysers - and other critical instruments - to ensure the best results and availability at all times. 

  • Provides instant availability of the certificate of quality & the bill of lading, avoiding sample handling and off-line laboratory testing
  • Indisputable compliance with Gas Sales Purchase Agreements (GSPA), international standards such as ASTM D3764, ASTM D6299, OP 97-30425 and local regulations
  • Reporting, statistical evaluations and calculation of performances / KPI’s
  • Fully auditable and traceable, including multi-level reporting, on all analyzers
  • Outlier detection on mass-based heating value as per ASTM E-178
  • Automated instrument validation and effective performance monitoring of quality measurement instruments (QMI)
  • High efficiency analyser maintenance by use of enhanced control charting techniques
  • Statistical Process Control (SPC) supported by embedded decision rules (ASTM D6299)
  • Trending and alarm management
  • Integration with plant management and control systems (DCS, PI, LIMS, ERP, etc)

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