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WorksheetsPO 3.4 новый (мс аяжан)
Total questions: 33
Worksheet time: 17mins
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 "
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
What are clay treatment apparatuses needed for?
removing traces of olefins from heavy reformate
removal of mechanical waste
removal of traces of olefins from C8+
removal of clay from heavy reformate
Which product is sent to section 700 from the C-601 xylene recycling column?
C9+
C8+
toluene
raffinate
How many inputs and outputs come in and out of the adsorbers?
3 inputs, 2 outputs
1 inputs, 2 outputs
3 inputs, 1 output
2 inputs, 2 outputs
What are the outputs of adsorbers?
extract, raffinate
toluene, benzene
paraxylene, raffinate
extract, xylene
For what the raffinate column is designed?
To separate paraxylene from desorbent
To separate xylenes from desorbent
To separate heavy aromatic hydrocarbons
To separate toluene and benzene
What product is sent to Section 650 from raffinate column C-605?
Xylene mixtures
Toluene
Heavy aromatic hydrocarbons
Benzene
What is the composition of extract?
mixture of aromatic hydrocarbons C8+ and desorbent
mixture of xylenes
mixture of paraxylenes and desorbent
raw benzene
Why there is a supply of nitrogen to the tanks and separators?
To regenerate the catalyst.
To increase the productivity.
To speed up a flow rate.
To maintain the pressure and prevent the accumulation of light hydrocarbon vapors.
What kind of product is obtained from section 650?
Xylene
Paraxylene
Aromatic compounds
Benzene
What products are included in the C-652 stripping column and from which section?
Toluene,section 650
Benzene, section 700
Xylene, section 650
Benzene,section 900
What is the OZH-40?
a special composition of monoethylene glycol, distilled water and the necessary additive package (corrosion inhibitors, antifoam additives).
it is an aromatic compound
a special composition of monoethylene glycol, gas-mixture
No answer
How much output of section 650?
3; section 600, section 900, section 700
2; section 700 and section 800
3; section 600, section 300, section 800
only one; section 300
What is the deheptenization column in the section 650?
Separatio n of paraxylene from C8+
Isomerization
removal of xylene from paraxylene
No answer
Where do the raw materials for the 800 sections come from?
section 100
section 400
section 300
section 650
What product leaves the column C-801 ?
light and heavy raffinate
benzene and toluene
fractions C8-C9
aromatic hydrocarbons
Till which temperature the refrigerant that enters the installation of RK-901 is cooled?
From 6 to 3 degrees
From 9 to 6 degrees
From 10to 7 degrees
From 8 to 5 degrees
Where is going gas which leaves the tank C-909?
Reservoir tank
Flare system plant
Section 600
Section 100
Where is fuel gas and liquid fuel come from for sections 900?
From factory network
From section 100
From section 400
From reservoir tank
What is the percentage of the minimum capacity of the plant, which maintains the production of products of the required quality?
60% of design capacity
40% of design capacity
80% of design capacity
50% of design capacity
Which product is sent to section 400 from C-702?
heavy aromatic hydrocarbons
Hydrocarbon gases
benzene-toluene mixture
mixture of xylenes
Why is the circulation compressor WASH K-701 supplied to the heat exchanger E-702?
to separate the raffinate
for mixing with raw materials.
to convert a mixture of xylenes into an equilibrium mixture
to activate the catalyst at start-up
What is the main function of additional E-707 condenser?
For the production of high purity paraxylene
To separate a mixture of heavy reformat from the catalytic reforming section
For conversion of toluene and aromatic hydrocarbons
To extract benzene from the blow-off gas
What is the function of the C-701 column?
for stripping light fractions
to separate aromatic compounds C9 and C10 from heavier ones
to separate the product C8+ isomerizate from the C7 fraction
to stabilize the benzene-toluene fraction
