PAU Training

How much Sulfur and Chloride limited at the purification unit to secure the downstream catalysts?

• 0.01 ppmv

• 0.5 ppmv

• 0.1 ppmv

• 0.2 ppmv

Below is the reversible poisoning

• NH3

• Sulfur

• Chloride

• Heavy metals

What are the potential action during the high methane slip occurred at Primary Reforming?

• Revert to design S/C

• Increased outlet temperature

• Check/remove S & Cl

• All options are correct

When does over-reduction at HTS happened?

• High levels of Chloride

• Not sufficient of S/G lead to form Fe

• Low levels of heavy metals

• Fouling

Why we have to remove CO and CO2 at methanator?

• Convert to CH4

• Pressure drop related

• Poisons to synthesis catalyst

• Higher productivity

To optimized the promotors, what is the best form of ammonia synthesis?

• Magnetite

• Wustite

• Institute

• Dilute