Negishi is a large complex refinery located in Yokohama outside of Tokyo, Japan.
The refinery is 100% owned and operated by Eneos.
Complexity: 10.3
Atmospheric distillation - 150 kbpd - one unit: CDU 4
Vacuum distillation - 130 kbpd
RCC - 120 kbpd
Alkylation - 9 kbpd
C5/C6 Isomerization - 8 kbpd
Reformer - Semiregen unit Continuous (CCR) unit - 50 kbpd
Oxygenates plant
Base oil plant - 270 kty (scheduled for decommission in 2023)
1983 - Visbreaker commissioned
1986 - CCR and Naphtha hydrotreater commissioned
1993 - Resid hydrotreater commissioned
2010 - New CDU commissioned
2022 - 120 kbpd CDU No 1 decommissioned, along with No1 vacuum unit (32 kbpd), No 2 VDU (48 kbpd), FCC (38 kbpd), and the No 4 gasoil hydrotreater (20 kbpd).