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Steel production is an energy intensive industry. Shandong Iron and Steel Group, from China, is the 12th producer of steel in the world.
In 2014 they produced 23.3 million tonnes of steel. Most of the energy required for the production of steel is used in the blast furnace.
In the blast furnace, steel has to heat up to . If the initial temperature is , and the specific heat capacity of steel is approximately 0.49 .
How much energy, in petajoules (PJ), is needed as thermal energy, for heating up the total production of Shandong Iron and Steel Group for the year 2014. Round the answer to one decimal.