PETROLEUM — FIELD 



255 



GAS 



-RECOVERY - 

 SYSTEM 



c 



— TAIL GAS 



LIGHT 

 HYDROCARBONS 



CATALYTIC 

 POLYMERIZATION 



POLYMER 



ALKYLATION 



ALKYLATE 

 I 



1J 



PRODUCTS 



FUEL GAS 



-—GASOLINE 



SWEETEN- 

 CRUDE ^ [—SWEETEN 

 NAPHTHA 



— DESULFURl2ATI0N■ 



TEF0RMlNG p GRAY TREAT-' STABILIZE^UNISOL TREAT — 

 ^AS TO GAS RECOVERY SYSTEM 



-SOLVENT STOCK 

 -GASOLINE 



-REFORMER STOCK 

 -SPECIAL SOLVENTS 



ZJ 



'-—ACID TREAT — f 



-KEROSINE— ACID TREAT-J"^' 

 I — ( 



-SWEETEN- 



.SPECIAL 

 SOLVENTS 



EXPORT 



"kerosine 



PIPE STILL 

 RERUN 



^FURNACE OIL- 



DOMESTIC KEROSINE 

 CHEMICAL OR CATALYTIC TREATMENT 



DOMESTIC 

 SWEETEN -FILTER— 3 EXPORT 

 KEROSINE 



FILTER ^FURNACE OIL 



CATALYTIC 

 "CRACKING 



■FURNACE OIL- 



GASOLINE - 



-STABILIZE - 



-CAUSTIC WASH- 



GAS TO GAS RECOVERY SYSTEM 



THERMAL pSTABILIZE —ACID TREAT— SWEETEN --, 



"CRACKING "1 



i-GRAY TREAT — -STABILIZE -UNISOL TREAT 



TAR TO *6 FUEL 



STEAM AND 

 VACUUM rerun" 



• GASOLINE 



WAX 



DISTILLATE 



-PRESS- 



PRESSED PIPE STILL .„ „ ,„ 



OIL -* RERUN r*CID TREAT- 

 ■— GAS OIL 



-FILTER- 



-NEUTRAL OILS 



^PARAFFIN OILS 



rsCA'^EWAx'^'-AClDTREAT— FILTER — SCALE 

 ^SLACK_„<.^c»T^ SCALE WAX >- =^" PARAFFIN WAX 



*'♦* 'SWEATED WAX— ACID TREAT — FILTER — "^'""''£0 



PARAFFIN WAX 

 WOOTS OIL TO CRACKING OR RECYCLING 



VACUUM STILL - 

 U-TAR — 



•NITRAFFIN-OEWAX 



•-C 



ACETONE 



BENZOL 



ENTRIFUGE 



SLACK WAX 

 TO CRACKING 



DEWAXED 

 OIL 



l— PET 



l-NITRENE 



-[ 



-CRACKING 



■FILTER— LUBE OIL 



^SPECIAL 



PRODUCTS 



-VACUUM STILL- 



— COASTAL OILS 



-DISTILLATES 



J 



-*-*6 FUEL 



GAS TO RECOVERY SYSTEM 

 ■STABILIZE -TREAT SWEETEN ■ 



GRAY TRE:AT -STABILIZt 



. STEAM AND 

 VACUUM RERUN 



- UNISOL TREAT- 



•h 



lASOLINE 



GAS OIL TO CRACKING 

 TAR TO *6 FUEL 



-STEAM REDUCED - 

 -AIR BLOWN 



— ASPHALT FLUX 



__ STEAM REFINED 



ASPHALTS 

 _^ OXIDIZED 



ASPHALTS 



FLOW DIAGRAM CRUDE OIL REFINING OCT., 1946 



FiGUBE 6. 



