The unit is composed of heat exchange part, electric desalting part, initial distillation part, atmospheric distillation part, vacuum distillation part
Product scheme
Unit product plan is reforming material(naphtha)-Aviation kerosene-diesel-Wax oil hydrocracking/refining program.
The main products are as follows:
Naphtha--as a catalytic reforming raw material;
First side oil line of atmospheric column--As a raw material for aviation kerosene hydrorefining;
second side oil line of atmospheric column--As a raw material for diesel hydrorefining;
Third side oil line of atmospheric column--As a raw material for diesel hydrorefining;
Vacuum column top line oil--As a raw material for diesel hydrorefining;
Vacuum column first line oil--As a raw material for diesel hydrorefining;
Vacuum column second line oil--As wax oil hydrorefining/cracking raw material;
Vacuum column third line oil--As wax oil hydrorefining/cracking raw material
Vacuum column forth line oil--As wax oil hydrorefining/cracking raw material
Vacuum residual oil--As a raw material of heavy oil catalytic/coking/dissolving/oxidizing asphalt
Second. Raw materials and products
- Material properties:
Project analysis | Numerical | ASTM |
APIºC | 35 | CHACT |
Density,g/cm3 15ºC | 0.8490 | D-5002 |
Viscosity,mm2/s, 80ºF | 6.864 | D-445 |
Pour point,ºC | -27 | D5853 |
Ash,% | 0.0082 | D-482 |
acidity, mgKOH/g | ||
Salt content, PPM NaCl/l | 4.0 | D-3230 |
sulfur %Mass | 2.3402 | D-4294 |
asphaltene %Mass | 1.75 | D-6560 |
Hydrogen sulfide, ppm | 7.0 | B.P |
water %VOL | 0.05 | D-4007 |
Characterization factor K | ||
Crude oil category |
Test standard | ASTM-D86 |
temperature(ºC) | Yield coefficient(%) |
L B P(47) | |
50 | 0.1 |
75 | 3.8 |
100 | 8.5 |
125 | 14.5 |
150 | 20.0 |
175 | 26.0 |
200 | 31.5 |
225 | 36.5 |
250 | 41.0 |
275 | 45.0 |
300 | 49.0 |
Total yield | 50 |
loss | 0.5 |
- Product and by-product summary (according to the raw materials,the boiling range not more than 300ºC, the vacuum line will not mark)
No. | Materials name | The main specifications | output | Method of transportation and destination |
100% | ||||
1 | Gas + loss | 0.3 | Pipeline transport to catalyze compressor inlet | |
2 | Sump oil | 0.34 | Pipeline transportation, to the base oil pump inlet or dirty oil tank area | |
3 | naphtha | 20 | Pipeline transport, to tank farm or reforming plant | |
4 | Atmospheric column second line oil | 10 | Pipe transport to tank farm or aviation kerosene hydrogenation unit | |
5 | Atmospheric column first line oil | 6 | Pipeline transport, go to tank farm or diesel hydrogenation unit | |
6 | Atmospheric column third line oil | 13.36 | Pipeline transport, go to tank farm or diesel hydrogenation unit | |
7 | Vacuum column first line oil | / | Pipeline transport, go to tank farm or diesel hydrogenation unit | |
8 | Vacuum column second line oil | / | Pipeline transport, go to tank farm or diesel hydrogenation unit | |
9 | Vacuum column third line oil | / | Pipeline transportation, tank removal or hydrocracking/refining units | |
10 | Vacuum column forth line oil | / | Pipeline transport, to tank farm or hydrogenation/refining unit | |
11 | Vacuum residual oil | / | Pipeline transport, re-catalytic/coking/dissolving/bitumen units |