Catalysts applied in the hydroprocessing of light feeds (middle distillates) mainly deactivate due to coke deposition and possibly sintering.
LTB4 derived from the 5-LO metabolic pathway is deactivated mainly by the CYP4F3 (expressed mainly in neutrophils) and CYP4F2 (expressed largely in the liver and kidney) enzymes.
This result supported the fact that LTL deactivated mainly by pore blockage but ZSM-12 deactivated due to site coverage.
Results indicate that catalysts were deactivated mainly due to the deposition of metal and carbon.
Two regions appear to meet this criterion: right anterior insula (activated) and anterior middle and superior temporal gyri (deactivated) mainly in right hemisphere.
For residue hydrotreating catalysts that are deactivated mainly by pore blockage due to deposition of metals, the capacity for accommodation of the deposited metals is an important parameter in determining its stability and life.
Duysak said he never thought Trump's account would actually get deactivated, mainly because of a Twitter policy that protects tweets that are considered newsworthy even if they might violate its terms of service.
At higher reaction temperature such as 650 °C, the catalyst was deactivated rapidly mainly due to coke formation again.
