Fresh MDEA mixed with condensate should not foam.
Condensate sometimes has some chemicals in it.
It is most likely that the MDEA that you pulled out of the system for a sample was contaminated with some surfactants of the FCC MDEA system. It takes very little. 10-100 ppm detergent can be...
Agree with all the comments made.
One further thing is that a buffer tank will stabilize the composition of the sour process water.
In an oil refinery there is often a lot of variations in the compostion. This means that without buffer tank, you should regularly check the effluent of the...
Suppose that with N-MDEA you mean regular or non formulated MDEA.
MDEA has a higher solubility for hydrocarbons than MEA. This is caused by two things. Firstly due to the molecular stucture and secondly because MDEA is used at higher concentrations than MEA.
These things are often not told by...