Recycling limitations

Microreactors Low conversion, catalytic reactions Simple design, transport rates can be increased by external recycling Limited ease of variation of parameters, maldistribution of flow can be prohibitive... 

Environmental demands and are as follows (a) improved fuel economy (reduced viscosities, reduced friction, special viscosity improvers), (b) reduced oil consumption (unconventional base oils, improved seal compatibility), (c) extended oil life (improved thermo-oxidative stability), (d) extended engine life (improved detergents and antiwear additives), (e) beneficial effects on emission/after treatment hardware (new additives), (f) technological and environmental sensitivity (no halogens, limited metal types/concentrations, new organic compounds), (g) recyclability (limitations the polycyclic aromatic hydrocarbons content and high chlorine levels (Havet et al., 2001 Waara et al., 2001). 

RCM of diallyltosylamide and other dienes products extracted with toluene yield and rate strongly depend on the anions (catalyst and ionic liquid), OTf gives the best results slow decomposition of the catalyst, recyclability limited to two cycles. 

Wheeler, P. A., and Kokkinakis, S. A. (1990). Ammonium recycling limits nitrate use in the oceanic subarctic Pacific. Limnol. Oceanogr. 35, 1267—1278. 

Enzymatic Degradation as a Method of Polymer Recycling Limitations and Perspectives... 

The following three experimental procedures explore the recycling limitations of a plastic material. They identify the limits of... 

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