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BUTADIENE C4 RAFFINATE-1

BUTADIENE

Butadiene is produced by the extraction of 1,3-butadiene from mixed C4 produced together with ethylene and propylene during naphtha pyrolysis in the ethylene plant(NCC). It is a gas with a distinct odor extracted at the ambient temperature.

CAS number : 106-99-0 / Molecular formula : C4H6

Properties / Specifications DownloadMSDS Download
Plant processes

This plant uses mixed C4, produced in the ethylene plant, as feedstock and DMF(Dimethyl Formamide), the extractant, to fractionate and produce 1,3-Butadiene according to the extractive distillation method.

  • First Extractive Distillation Unit
    This unit fractionates acetylenes, that dissolve well in DMF (Dimethyl Formamide), an extractant, among mixed C4 , butane that does not dissolve in BD, and C4 Raffinate-1 containing butene.
  • Second Extractive Distillation Unit
    This unit uses the extractant (DMF) to fractionate crude BD and acetylene from the BD and acetylenes fractionated along with solvents in the first extractive distillation unit.
  • BD Fractionation Unit
    This unit produces high-purity 1,3-butadiene in the two continuous separation columns using the differences in boiling points. Light acetylene is recovered as Off Gas and used as fuel, while heavy butene-2 and acetylene are fractionated as C4 Raffinate-2.
Product uses

Utilized as the raw material of synthetic rubber(SBR, NBR, etc.) & resin.

  • Tires
Product inquiry
Product inquiry List
Product Speciality Contact person Phone number Inquiry
BUTADIENE 이상윤 부장 82-2-6050-2485 Fax.Mail inquiry
Properties
1,3-BUTADIENE
1,3-BUTADIENE Specifications List
Test Item Unit Test Method Specification
1,3-BUTADIENE Wt-% ASTM D 2593 MIN 99.5
1,2-BUTADIENE Wt-ppm ASTM D 2593 MAX 50
T-ACETYLENE Wt-ppm ASTM D 2593 MAX 60
PROPADIENE Wt-ppm ASTM D 2593 MAX 50
C5'S Wt-ppm ASTM D 2593 MAX 20
CARBONYLS
(as ACETALALDEHYDE)		 Wt-ppm ASTM D 4423 MAX 30
SULFUR (as H2S) Wt-ppm ASTM D 6667 MAX 10
PEROXIDE (as H2O2) Wt-ppm ASTM D 5799 MAX 10
DIMER Wt-% ASTM D 2426 MAX 0.1
NON VOLATILE MATTER Wt-% ASTM D 1025 MAX 0.1
SOLVENT (as DMF) Wt-ppm BY GC RECORD
INHIBITOR (as TBC) Wt-ppm ASTM D 1157 AS REQUIRED
WATER Wt-ppm ASTM D 1744 MAX 100

* The above specifications represent standards may differ from the actual subject matter.