2006

Hubei

De-C6 column

Solvent recovery column

Benzene extraction

2600

2000

EDV valve tray

2005

Shanghai

De-heavy component column

Solvent desorber

Butadiene

2000

2000/2400

F1 valve tray

2004

Hunan

Dehydration

Butadiene refining

1600

EDV valve tray

2003

Shanghai

De-heavy component column

Recovery column

Butadiene de-heavy component column

De-TBC column

cis-1,4-polybutadiene rubber

1600/2200

1200

1200

1200

EDV valve tray

2002

Gansu

1st Extraction distillation column A

1st Extraction distillation column B

2nd Extraction distillation column A

2nd Extraction distillation column B

Siding flash column

1st Distillation column A

1st Distillation column B

2nd Distillation column

Butadiene extraction

2200

2400

2000

2200

800

1800

1800

1200

EDV valve tray