With some of the plants operating at the lowest energy consumption levels, the Indian cement industry has become a forerunner in energy-efficient cement manufacturing in the world, according to yet to be released FE-EVI Green Business Survey 2009-10.
The survey will be released in
Elaborating about the initiatives taken up by companies, FE-EVI Green Business Survey 2009-10 quotes numerous examples. For example, ACC Cement is producing power from waste gases generated during production process. Also, the company is actively involved in wind and hydro power procurement. As far as cutting down on energy consumption is concerned, Shree Cement is reducing CO2 emissions through energy efficiency and use of alternative low-carbon fuel and renewable energy.
JK Cement, which is ISO certified, is using alternative fuels and power from waste, biomass and wind. Also, the company is actively involved in emission reduction through partial substitution of fossil fuels with recyclable alternates in cement manufacturing. Similarly, Dalmia Cement (Bharat) Ltd is taking measures related to energy efficiency, streamlining of processes, and use of alternate/new technologies.
Companies are also taking other initiatives to minimise their ecological footprint. These include substitution of fossil fuels used in cement kilns by fuels derived from waste, installation of waste heat recovery system, modification of the composition of cement by using cement constituents which require less energy to produce than cement clinker
Besides, cement companies have become innovative and come up with Eco-Cement, which has a reduced environmental impact as compared to conventional cement. It sets and hardens by sequestering CO2 from the atmosphere and is recyclable.
All these initiatives are being taken by first establishing separate departments for environment protection, safety, ISO 14001 certification and disaster management. The industry is also involved in Voluntary Environmental Initiatives (VEI) such as monitoring of ambient air quality, waste water quality, safe disposal of hazardous waste such as hospital bio-medical waste, waste oil and grease, and regular monitoring of safe working practices.
Two of the Indian companies, Shree Cement and Grasim Cement, are also part of the Cement Sustainability Initiative, which was launched by the World Business Council.
Friday, June 4, 2010
India tops energy-efficient cement production
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