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Recognising the cement industry’s environmental footprint in term of consumption of natural resources, Italcementi aims to achieve a rational use of resources, by increasing the use of alternative fuels and raw materials.
In 2007 the total thermal energy used by the Group was equal to 4,904 kt of oil equivalent (ktoe) with an average thermal consumption of 4,110 MJ per ton of clinker produced. The fuels mainly used are coal and petroleum coke.
 In 2007, the total amount of raw materials used by the Group was 91 million ton, with a specific consumption of 1.5 t per ton of cement produced. The main natural quarried raw materials are limestone, clay and marl which amount to 88% of total materials used for cement production.
A smaller amount of other natural minerals, such as sand, bauxite and iron ore, may be used as kiln feed.
Quarried minerals, such as limestone, pozzolana and gypsum are used as mineral addition to clinker to produce blended cement, thus reducing the quantity of clinker to make one ton of cement, or clinker ratio.
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ktoe kilotons (1,000 tons) of oil equivalent
MJ mega joule (1 million joules) |
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