A process to produce diesel comprising: hydrotreating a hydrocarbonaceous feedstock with hydrogen in a hydrotreating reactor over a hydrotreating catalyst at conditions effective to produce a hydrotreated stream; stripping light gases from said hydrotreated stream to provide a stripped hydrotreated stream; saturating aromatics in said stripped hydrotreated stream to produce a saturated stream; stripping light gases from said saturated stream to provide a stripped saturated stream and fractionating said stripped saturated stream to produce a diesel stream; the process further comprising isolating liquid in said hydrotreated stream from liquid in said saturated stream while stripping light gases from said hydrotreated stream and stripping light gases from said saturated stream; the process further comprising stripping light gases from said hydrotreated stream and stripping light gases from said saturated stream in a single stripping column; the process further comprising stripping said hydrotreated stream with a first stripping stream and stripping said saturated stream with a second stripping stream that does not communicate with said first stripping stream before said second stripping stream strips said saturate stream; the process further comprising hydrocracking a hydrocarbon stream with hydrogen in a hydrocracking reactor over a hydrocracking catalyst at conditions effective to produce a hydrocracked stream and stripping light gases from said hydrocracked stream to produce a stripped hydrocracked stream and fractionating said stripped hydrocracked stream to produce said diesel stream; the process further comprising stripping light gases from said hydrocracked stream and said saturated stream together to produce a joint stripped stream comprising said stripped saturated stream and said stripped hydrocracked stream and fractionating said joint stripped stream to produce said diesel stream. hydrotreating a hydrocarbonaceous feedstock with hydrogen in a hydrotreating reactor over a hydrotreating catalyst at conditions effective to produce a hydrotreated stream; stripping light gases from said hydrotreated stream to provide a stripped hydrotreated stream; saturating aromatics in said stripped hydrotreated stream to produce a saturated stream; stripping light gases from said saturated stream to provide a stripped saturated stream and fractionating said stripped saturated stream to produce a diesel stream; the process further comprising isolating liquid in said hydrotreated stream from liquid in said saturated stream while stripping light gases from said hydrotreated stream and stripping light gases from said saturated stream; the process further comprising stripping light gases from said hydrotreated stream and stripping light gases from said saturated stream in a single stripping column; the process further comprising stripping said hydrotreated stream with a first stripping stream and stripping said saturated stream with a second stripping stream that does not communicate with said first stripping stream before said second stripping stream strips said saturate stream; the process further comprising hydrocracking a hydrocarbon stream with hydrogen in a hydrocracking reactor over a hydrocracking catalyst at conditions effective to produce a hydrocracked stream and stripping light gases from said hydrocracked stream to produce a stripped hydrocracked stream and fractionating said stripped hydrocracked stream to produce said diesel stream; the process further comprising stripping light gases from said hydrocracked stream and said saturated stream together to produce a joint stripped stream comprising said stripped saturated stream and said stripped hydrocracked stream and fractionating said joint stripped stream to produce said diesel stream.