Question

g well known environmental disasters and provide a summary of what occurred, what was the harm, and what the consequences were for the company involved:
1) Tianjin Chemical Explosion

Answer 1

The powerful explosion at the Tianjin factory in Hebei Province in August 2015 flattened buildings and created a massive fireball that shot into the air as rubble rained down on the nearby homes.

As a small fire exploded in the building, the first responders tapped the flames with hoses, unaware that it produced calcium carbide, which creates highly flammable acetylene gas when combined with water. Two deafening explosions occurred in quick succession, as the other flammable chemicals contained in the building — including potassium nitrate, ammonium nitrate, sodium nitrate, and up to 700 tons (771.6 U.S. tons) of sodium cyanide — ignited with an approximate explosive strength of 0.45 kilotons of TNT.
It concluded that the explosion occurred after a highly flammable chemical, nitro-cotton, had been allowed to dry out and auto-ignite in its barrel, setting fire to other nearby chemicals such as ammonium nitrate. This set in motion a chain reaction that led to the collapse of the plant.

A total of 173 people, including at least 80 firefighters, were killed in a explosion that wounded nearly 800 others and destroyed more than 300 homes.

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