a large factory producing Chlorine, Hydrogen, Caustic
lye, Caustic Flakes, Chloroform, Methylene etc. an
accident of Chlorine Tonner Explosion took place on
5th Sept 2002 at about 11 A.M.
Incident: In the filling section of the plant,
liquid chlorine is filled at 11 kg./cm2 pressure.
Filling was started in tonner no. GC 1606 88. This
tonner had come from Anugrah In Organic, which manufactures
monochloro acetic acid. After sometime, operation
checked the temperature of the tonner from the outside,
with his hands. Operator felt it hot. He immediately
stopped the filling operator and tonner was removed
from the filling line and with help of crane, he took
it to the neutralization bay for neutralization purpose.
While taking to the neutralization bay, the tonner
exploded on the hanging position.
Cause of the incident: Due to the chemical
reaction between chemicals inside the tonner pressure
inside the tonner tremendously increased and exploded
the tonner in the hanging position and there was liquid
spray splash but no chlorine leakage. The spray contained
mono chloro acitic acid.
Area & persons affected: Due to the explosion,
atmosphere in the plant became fumming and because
of the splash of the chemicals which were inside the
tonner, 24 workers who were working of the filling
section, nearby and passing by this area were affected
and out there workers, 4 workers expired.
Action to be taken for non repetition of such incident:
Empty chlorine tonner received
back, be sent to tonner preparation section for
evacuation of gases of tonner, valves / spindle checking.
Before filling and during filling, weight
of tonner, physical condition and temperature
be kept under watch.
Use of safety equipments ( Gas Masks
etc ) during filling.
Chlorine sensors be installed at different