IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Hydro-treated Gasoline: Cracked Light Gas Oil and Isoheptanes Desulphurised with Hydrogen over Cobalt Molybdate at 700 °F (Gulf, US 3,071,535)
Sulphur in petrol and fuel oil is removed by heating the oil with hydrogen over a cobalt molybdate catalyst. Gulf treats its cracked light gas oil together with isoheptanes this way; a small gasoline fraction comes out alongside the desulphurised gas oil.
Result (Gulf's example, barrels per day): from 10,555 of FCC light gas oil and 1,796 of isoheptanes, 1,825 of hydro-treated gasoline and 10,559 of treated light gas oil for No. 2 fuel oil.
Source: Condrasky & Glazier, US 3,071,535 (Gulf, filed 1959). Not given: reactor design, how the products are separated. Hot hydrogen under pressure: fire risk. Picture drawn by Youblob.
Ògbóǹtarìgì
1 day
Ìlànà
1
1
Charge the light gas oil and isoheptanes
Charge the light gas oil and isoheptanes
Feed the light gas oil from the catalytic cracker (10,555 barrels a day) and the isoheptanes and heavier from the isomerisation prefractionator (1,796).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Epo gáàsì fúyẹ́ FCC10555 parts by volume
Isoheptanes1796 parts by volumeÀwọn irinṣẹ́ tí a nílò:
Táńkì ìtọ́jú epo
Pọ́ǹpù ìgbé omi2
2
Desulphurise at 700 °F and 600 psig
Desulphurise at 700 °F and 600 psig
Pass the oil with hydrogen over cobalt molybdate on alumina at, for example, 700 °F and 600 pounds per square inch gauge, at 4 volumes of oil per volume of catalyst per hour and 4,000 standard cubic feet of hydrogen per barrel.
Àwọn irinṣẹ́ tí a nílò:
Kátálísítì cobalt molybdate
Ìkòkò ìṣesí oníhò pẹ̀lú ibùsùn tí kò yí padà
Hydrogen
Ẹ̀rọ Ìwọ̀n Ìtẹ̀
Pirómítà3
3
Separate the gasoline and the gas oil
Separate the gasoline and the gas oil
Separate the products: fuel gas, hydro-treated gasoline (1,825) for petrol blending and treated light gas oil (10,559) for No. 2 fuel oil. Gulf does not describe the separation. Ours: a fractionating still.
Àwọn irinṣẹ́ tí a nílò:
Ohun ìsun tí ó pínTáńkì ìtọ́jú epoÀwọn ohun-èlò
2- 10555 parts by volumeÀyè
- 1796 parts by volumeÀyè
Àwọn irinṣẹ́ tó nílò
8- Àyè
- Àyè
Ìtọ́nisọ́nà yìí ń ṣe
Blueprint tó jọra
Àwọn blueprint wọ̀nyí pín ìmọ̀ — ọ̀nà, ohun-èlò tàbí ìlànà
FCC Gasoline: Gas Oil Cracked over Fluidised Silica-Alumina at 975 °F, 71.5 % Conversion (Gulf, US 3,071,535)
láti ọwọ́ Charlie
Ti Ilé-iṣẹ́
2
0
0
0
0
0
Iso-hexanes and Isopentane: Light Straight-Run Gasoline Isomerised over Platinum-Alumina with Hydrogen (Gulf, US 3,071,535)
láti ọwọ́ Charlie
Ti Ilé-iṣẹ́
1
0
0
0
0
0
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