View Cement Production Co2 Pictures . The heating of limestone releases co2 directly, while the burning of fossil fuels to heat the kiln indirectly results in co2 emissions. • cement production is an important source of co2 emissions, accounting for 1.8 gt co2 in 2005. Oxyfuel - collecting and recycling of the cement industry ... from i.ytimg.com Cement production accounts for around 7% of total industrial fuel use, and almost 25% of total direct co2 emissions from industry. Every year, more than 4 billion metric tons. Firing the kilns required for this process is very energy intensive, but the. Carbon dioxide (co2) emissions from fuel combustion in the production of cement in the united kingdom are expected to total three million metric tons in 2040. The united states is the world's third largest cement producer. • cement production is an important source of co2 emissions, accoun...