2236Chemical EngineeringMedium
H2S is scrubbed from refinery gases by absorption using ________?
ATri-butyl phosphate
BEthanol amine
CDilute H2SO4
DChilled water
Correct answer
B. Ethanol amine
Explanation
The correct answer is Ethanol amine.
Correct answer
B. Ethanol amine
Explanation
The correct answer is Ethanol amine.
Blast furnace gas burns with a bluish flame, because of the presence of________?
A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is________?
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has________?
Thermal efficiency of a limestone calcination rotary kiln may be around ________ percent?
Reverse reaction in a chemical equilibrium is favoured by the________?
Metallic soap is ________ salt of fatty acids?