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SUMMARY:The Effects of Resins on the Aggregation of Asphaltenes
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20182101T000000
UID:2026-05-21-07-05-46@natsci.colostate.edu
DTSTAMP:20260521T070546
Description:Research Seminar Abstract\n\nThe oil industry spends billions o
 f dollars annually cleaning clogged pipelines. Asphaltenes are a class of 
 macromolecules indigenous to crude oil known to be the primary cause of su
 ch clogging due to their tendency to aggregate. The majority of previous w
 ork has focused on mixture of different types of asphaltenes. Furthermore\
 , the role of resins\, another component of crude oil\, is not well known 
 in the aggregation process. A molecular level understanding of the aggrega
 tion process will provide insight into alleviating its economic and enviro
 nmental costs. We have performed molecular dynamics simulations of the agg
 regation of a set of model asphaltene molecules to gain atomistic insight 
 on the effect of different molecular features on their aggregation behavio
 r. Our results reveal that asphaltenes with larger aromatic core and large
 r number of heteroatoms have higher propensity for aggregation. Likewise\,
  we have investigated the aggregation behavior of each asphaltene in the p
 resence of a set of resins with comparable variability of molecular featur
 es. The majority of the resins we studied have a deterring effect on the a
 ggregation of asphaltenes. Resins with similar characteristics to asphalte
 ne tend to interact directly and interrupt aggregation of asphaltenes thro
 ugh limiting π-π stacking.  4:00 pm
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