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A Comparative Study of Green Technology in Cement Industry
The insufficiency of infrastructure is the main bottlenecks in Indonesian society that prevent higher economic growth, as it weakens connectivity hence increasing logistics costs, making businesses less competitive, and also initiating social problems. Then the Indonesian government has given more attention to infrastructure development in order to enhance the economic growth. Cement industry is one of the industries that are very important in supporting the development of infrastructure and property. However, a large number of demonstrations against the operation of a cement factory have been arising from some protest and communities (Civil Society Organization/LSM) due to the environmental issues. In general, every ton of Ordinary Portland Cement (OPC) that is manufactured releases on a similar amount of CO2 into the atmosphere, or for roughly 6% of all human-generated greenhouse gas emissions. A developed production method that minimizes or eliminates CO2 emissions from cement manufacturing process is essential. Innovation on green or environmentally technology in cement industry with the focus on green energy (use of renewable energy sources or alternative fuel and higher energy efficiency), green products (use of an industrial waste as raw material), and green processes (reducing waste generation and conserving water, hence improving operational efficiency and lowering costs) become the global trends. In this study, the latest developments in eco-friendly technologies of the mining/quarrying operations and cement manufacturing that will be operated in Rembang by PT Semen Indonesia will be described and compared with the other countries. Existing technologies in the European cement industry has made significant progress in reducing the environmental impact of the industry. It is including the rehabilitation of the quarry to protect and promote biodiversity, more efficient clinker and cement production processes that reduce greenhouse emissions, provide waste utilization, and produce innovative concrete which can reduce the energy consumption of buildings and roads. Cement factory that will be operated in Rembang by PT Semen Indonesia is applying a modern environmentally friendly plant with the latest technology and a higher efficiency than another cement factory in Asia (more efficient use of water, chemicals, fuel and electricity). Quarrying methods will be used a Zero Run Off concepts, in which the ground water is carefully managed to prevent the discharge from the mine area, then the amount of ground water is increased. In addition to the utilization of renewable energy biomass as an alternative fuel, they also developed technology that converts the hot exhaust gasses into electrical energy through the Waste Heat Recovery Power Generation (WHRPG) project. Then, these technologies will become a pioneer and a standard for the construction of a new cement industry in Indonesia. Direct effect of the cement factory operation to the local communities will also be discussed.
A Comparative Study of Green Technology in Cement Industry
The insufficiency of infrastructure is the main bottlenecks in Indonesian society that prevent higher economic growth, as it weakens connectivity hence increasing logistics costs, making businesses less competitive, and also initiating social problems. Then the Indonesian government has given more attention to infrastructure development in order to enhance the economic growth. Cement industry is one of the industries that are very important in supporting the development of infrastructure and property. However, a large number of demonstrations against the operation of a cement factory have been arising from some protest and communities (Civil Society Organization/LSM) due to the environmental issues. In general, every ton of Ordinary Portland Cement (OPC) that is manufactured releases on a similar amount of CO2 into the atmosphere, or for roughly 6% of all human-generated greenhouse gas emissions. A developed production method that minimizes or eliminates CO2 emissions from cement manufacturing process is essential. Innovation on green or environmentally technology in cement industry with the focus on green energy (use of renewable energy sources or alternative fuel and higher energy efficiency), green products (use of an industrial waste as raw material), and green processes (reducing waste generation and conserving water, hence improving operational efficiency and lowering costs) become the global trends. In this study, the latest developments in eco-friendly technologies of the mining/quarrying operations and cement manufacturing that will be operated in Rembang by PT Semen Indonesia will be described and compared with the other countries. Existing technologies in the European cement industry has made significant progress in reducing the environmental impact of the industry. It is including the rehabilitation of the quarry to protect and promote biodiversity, more efficient clinker and cement production processes that reduce greenhouse emissions, provide waste utilization, and produce innovative concrete which can reduce the energy consumption of buildings and roads. Cement factory that will be operated in Rembang by PT Semen Indonesia is applying a modern environmentally friendly plant with the latest technology and a higher efficiency than another cement factory in Asia (more efficient use of water, chemicals, fuel and electricity). Quarrying methods will be used a Zero Run Off concepts, in which the ground water is carefully managed to prevent the discharge from the mine area, then the amount of ground water is increased. In addition to the utilization of renewable energy biomass as an alternative fuel, they also developed technology that converts the hot exhaust gasses into electrical energy through the Waste Heat Recovery Power Generation (WHRPG) project. Then, these technologies will become a pioneer and a standard for the construction of a new cement industry in Indonesia. Direct effect of the cement factory operation to the local communities will also be discussed.
A Comparative Study of Green Technology in Cement Industry
Ummi, Restu Kholifatul (author)
2017-07-27
ASEAN/Asian Academic Society International Conference Proceeding Series; 2017: ASIAN Academic Society International Conference Proceeding
Article (Journal)
Electronic Resource
English
DDC:
690
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