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EC number: 618-882-6
CAS number: 928771-01-1
Transport and distribution tendency of NExBTL renewable diesel was
studied in two different ways. Adsorption coefficient was determined
according to the EU Method C.19 in a GLP compliant laboratory.
Distribution modeling was performed with EQC Equilibrium Criterion Model
2.02 (Canadian Environmental Modelling Centre, 2003). Distribution
modeling supported the test study, which indicated that NExBTL renewable
diesel components have a tendency to sorb to sedimentary or soil organic
carbon. The adsorption coefficient (Koc) was found to be 4.27x105
and logKoc was > 5.63. Over 99 % of NExBTL renewable diesel migrates to
sediments when released in water whereas emissions to soil and air lead
to its appearance in soil.
Although NExBTL renewable diesel is an UVCB compound, the range and type
of alkanes present is relatively constant with C15-C18 isoalkanes
tending to predominate. Regarding NExBTL renewable diesel as a single
complex substance is justified based on the fact that the main
components present are from a single chemical group (alkanes). It is
well known that hydrocarbons of similar structure will have similar
physicochemical properties and environmental-degradation potentials, and
they will also have similar distributions and fates within a given
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