Explosion at S.Korea Yeochun NCC plant in Yeosu kills four
SEOUL, Feb 11 (Reuters) – An explosion at South Korean petrochemical company Yeochun NCC’s (YNCC) plant in the city of Yeosu has killed four people and injured four, a Yeosu Fire Station official said on Friday.
Four people were killed and four injured in an explosion at the third plant of Lichuan NCC, a South Korean petrochemical raw material manufacturer. The third plant of Lichuan NCC can produce 470,000 tons of ethylene, 260,000 tons of propylene and 180,000 tons of mixed C4 every year.
Ethylene is a hydrocarbon which has the formula C₂H₄ or H₂C=CH₂. It is a colorless flammable gas with a faint “sweet and musky“ odor when pure. It is the simplest alkene.
Chemical formula: C2H4
Boiling point: -154.66°F (-103.70°C)
Average Molar mass: 28.05 g/mol
Melting point: -272.56°F (-169.20°C)
IUPAC ID: Ethene
Classification: Alkene
What is ethylene?
Ethylene is an industrial organic compound produced by heating either natural gas or petroleum to 900 °C.
What is the important function of ethylene in plants?
Ethylene acts as a plant growth regulator. It accelerates the development process in plants such as senescence, ripening, and abscission.
Propylene is a colorless gas with a faint petroleum like odor. It is shipped as a liquefied gas under its own vapor pressure. For transportation it may be stenched. Contact with the liquid can cause frostbite. It is easily ignited. The vapors are heavier than air. Any leak can either be liquid or vapor. It can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. It is used to make other chemicals. Can cause explosion.
CAS Number: 115-07-1
UN/NA Number: 1077
NIOSH Pocket Guide: none
International Chem Safety Card: PROPYLENE
What is total hydrogenation of C4S and C5s?
Total hydrogenation of C4s or C4s and C5s from a steam cracker with recycle to the cracking heaters has been incorporated into more than half the new ethylene plants designed since 1990. Total hydrogenation and recycle of the C4s and C5s reduces fresh feed consumption in a naphtha cracker by 13 per cent and in a propane cracker by 7 per cent.
YNCC could not be immediately reached for comment.
YNCC’s third naphtha cracker in Yeosu, which the fire station official said was the site of the explosion, produces 470,000 tonnes per year (tpy) of ethylene.
YNCC’s first and second naphtha crackers in Yeosu produce 900,000 and about 920,000 tpy of ethylene each.
YNCC’s entire capacity is 2.29 million tpy, about 1.1% of global capacity, Samsung Securities analyst Cho Hyun-ryul said.
Officials look at the site of an explosion at the Yeosu Industrical Complex in Yeosu, South Jeolla on Friday. Four workers died and four others were injured. [YONHAP]
An explosion at a petrochemical plant in Yeosu, South Jeolla on Friday killed four workers and injured four more, according to the local fire department.
It was the second lethal petrochemical explosion at the Yeosu Industrial Complex in nine weeks.
The explosion happened at 9:26 a.m. at a naphtha cracker owned by Yeochun NCC in the Yeosu Industrial Complex. The fire department is investigating the exact cause of the accident.
Workers said the blast happened during a test run of a heat exchange system after it was cleaned. The explosion did not lead to a fire.
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