PO 3.4 новый (мс аяжан)

What is the name of column C-604?

• Extraction

• Paraxylene Concentration

• Raffinate

• PDB recirculation

Where does the condensation and cooling of the vapor occur?

• E-801

• A-801A/B

• D-801

• E-802

What pump is used for spraying the light raffinate into the C-801 column?

A) R-801A/B+

• R-801A/B

• P-801A/B

• R-802A/B

• P-802A/B

Where goes the paraxylene after the process in C-604

• Consumers

• Section 700

• Column 606

• None of them

Which of the following best describes the products of the C-602 A/B adsorber unit?

• Extract: Mixture of paraxylene and desorbent (para-diethylbenzene) Raffinate: Mixture of aromatic hydrocarbons C8+ and desorbent

• Extract: Mixture of paraxylene and raffinate Raffinate: Mixture of aromatic hydrocarbons C8+ and desorbent

• Extract: Mixture of paraxylene and desorbent (para-diethylbenzene) Raffinate: Mixture of aromatic hydrocarbons C8+ and diethylbenzene

• Extract: Mixture of paraxylene and toluene Raffinate: Mixture of aromatic hydrocarbons C8+ and desorbent

What is the main purpose of the C-603 extract column?

• To separate paraxylene from raffinate

• To separate paraxylene from desorbent (paradiethylbenzene)

• To separate desorbent (paradiethylbenzene) from raffinate

• To separate paraxylene from toluene

What is the primary objective of the C-604 paraxylene concentration column?

• To separate paraxylene from desorbent (paradiethylbenzene)

• To separate paraxylene from raffinate

• To separate high-purity paraxylene and toluene

• To separate toluene from desorbent (paradiethylbenzene)

What is the primary purpose of the C-605 raffinate column?

• To separate xylenes from paraxylene

• To separate xylenes from toluene

• To separate xylenes from desorbent (diethylbenzene)

• To separate desorbent (diethylbenzene) from raffinate

What is the purpose of Prefractionation in section 600 "Eluxyl &quot

• to separate the raw material into two fractions before and after C9+

• to get the end products

• get toluene from xylene C-601 recycle column

• to obtain raffinate and extract

What is the raw material in Prefractionation?

• heavy reformate, C8+, recycle stream

• extract and raffinate

• C9+, raffinate

• toluene, heavy reformate