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(203) 744-5905
TD-NMR Analysis of Catalytic Cracker Feedstocks
The 19.5 MHz Spintrack NMR analyzer was utilized to study a large series of vacuum gas oils and FCC feeds for which PNA also has laboratory test data.
The analysis was performed on a SpinTrack 19.5 MHz TD-NMR spectrometer - CPMG T2 decays were generated and then that data was processed with a inverse laplace transformation to produce T2 distribution profiles. These T2 distribution profiles are currently being correlated to physical and chemical property data.
NMR Experiment explanation is given below:
The CPMG data obtained on the four samples is shown below:
The T2 distribution profiles obtained by inverse Laplace transformation of the CPMG data are shown below:
The correlation between T2 distribution and the metal content, viscosity, distillation range, density, asphaltene content are all being investigated at the current time.
For more information on this topic please contact:
Manager, Process and Analytical NMR Services
Process NMR Associates LLC,
87A Sand Pit Rd
Danbury, CT 06810, USA
Tel: (203) 744-5905