energy efficiency in the cement industry

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Energy Efficiency In The Cement Industry

Author : J. Sirchis
ISBN : 9781482290400
Genre : Architecture
File Size : 70. 91 MB
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Proceedings of a seminar organized by the CEC, Directorate-General for Energy and CIMPOR Cimentos de Portugal E.P. with the co-operation of Cembureau European Cement Association, held in Oporto, Portugal, 6-7 November 1989.

Energy Conservation In Cement Industry

Author : Asian Productivity Organization
ISBN : WISC:89034096057
Genre : Technology & Engineering
File Size : 25. 51 MB
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Energy Efficiency And Fuel Substitution In The Cement Industry With Emphasis On Developing Countries

Author : Mogens H. Fog
ISBN : IND:30000044537946
Genre : Cement industries
File Size : 34. 50 MB
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Analysis Of Energy Efficiency Opportunities For The Cement Industry In Shandong Province China

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ISBN : OCLC:727246751
Genre :
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China's cement industry, which produced 1,388 million metric tons (Mt) of cement in 2008, accounts for almost half of the world's total cement production. Nearly 40% of China's cement production is from relatively obsolete vertical shaft kiln (VSK) cement plants, with the remainder from more modern rotary kiln cement plants, including plants equipped with new suspension pre-heater and pre-calciner (NSP) kilns. Shandong Province is the largest cement-producing Province in China, producing 10% of China's total cement output in 2008. This report documents an analysis of the potential to improve the energy efficiency of NSP kiln cement plants in Shandong Province. Sixteen NSP kiln cement plants were surveyed regarding their cement production, energy consumption, and current adoption of 34 energy-efficient technologies and measures. Plant energy use was compared to both domestic (Chinese) and international best practice using the Benchmarking and Energy Saving Tool for Cement (BEST-Cement). This benchmarking exercise indicated an average technical potential primary energy savings of 12% would be possible if the surveyed plants operated at domestic best practice levels in terms of energy use per ton of cement produced. Average technical potential primary energy savings of 23% would be realized if the plants operated at international best practice levels. Energy conservation supply curves for both fuel and electricity savings were then constructed for the 16 surveyed plants. Using the bottom-up electricity conservation supply curve model, the cost-effective electricity efficiency potential for the studied cement plants in 2008 is estimated to be 373 gigawatt hours (GWh), which accounts for 16% of total electricity use in the 16 surveyed cement plants in 2008. Total technical electricity-saving potential is 915 GWh, which accounts for 40% of total electricity use in the studied plants in 2008. The fuel conservation supply curve model shows the total technical fuel efficiency potential equal to 7,949 terajoules (TJ), accounting for 8% of total fuel used in the studied cement plants in 2008. All the fuel efficiency potential is shown to be cost effective. Carbon dioxide (CO2) emission reduction potential associated with cost-effective electricity saving is 383 kiloton (kt) CO2, while total technical potential for CO2 emission reduction from electricity-saving is 940 ktCO2. The CO2 emission reduction potentials associated with fuel-saving potentials is 950 ktCO2.

Energy Efficiency Improvement Opportunities For The Cement Industry

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ISBN : OCLC:727352746
Genre :
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This report provides information on the energy savings, costs, and carbon dioxide emissions reductions associated with implementation of a number of technologies and measures applicable to the cement industry. The technologies and measures include both state-of-the-art measures that are currently in use in cement enterprises worldwide as well as advanced measures that are either only in limited use or are near commercialization. This report focuses mainly on retrofit measures using commercially available technologies, but many of these technologies are applicable for new plants as well. Where possible, for each technology or measure, costs and energy savings per tonne of cement produced are estimated and then carbon dioxide emissions reductions are calculated based on the fuels used at the process step to which the technology or measure is applied. The analysis of cement kiln energy-efficiency opportunities is divided into technologies and measures that are applicable to the different stages of production and various kiln types used in China: raw materials (and fuel) preparation; clinker making (applicable to all kilns, rotary kilns only, vertical shaft kilns only); and finish grinding; as well as plant wide measures and product and feedstock changes that will reduce energy consumption for clinker making. Table 1 lists all measures in this report by process to which they apply, including plant wide measures and product or feedstock changes. Tables 2 through 8 provide the following information for each technology: fuel and electricity savings per tonne of cement; annual operating and capital costs per tonne of cement or estimated payback period; and, carbon dioxide emissions reductions for each measure applied to the production of cement. This information was originally collected for a report on the U.S. cement industry (Worrell and Galitsky, 2004) and a report on opportunities for China's cement kilns (Price and Galitsky, in press). The information provided in this report is based on publicly-available reports, journal articles, and case studies from applications of technologies around the world.

Cutting Air Pollution By Improving Energy Efficiency Of China S Cement Industry

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ISBN : OCLC:1052079343
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Abstract: In this study, the energy conservation supply curves (ECSC) combined with the GAINS (Greenhouse Gas and Air Pollution Interactions and Synergies) was used to estimate the co-benefits of energy savings on CO2 and air pollutants emission for implementation co-control options of energy efficiency measures and end-of-pipe options in the china's cement industry for the period 2011-2030. Results show the cost-effective energy saving potential (EEP1 scenario) and its costs is estimated to be 3.0 EJ and 4.1 Billion $ in 2030. The technical energy savings potential (EEP2 scenario) and its costs amounts to 4.2 EJ and 8.4 Billion $ at the same time. Energy efficiency measures can help decrease 5-8% of CO2, 3-5% of PM, 15-25% of SO2, and 12-20% of NOx emissions by 2030. Overall, the average marginal costs of energy efficiency measures will decrease by 20%, from 1.48 $/GJ to 1.19 $/GJ, when taking into account avoided investments in air pollution control measures. Therefore, implementation of energy efficiency measures is more cost-effective than a solely end-of-pipe based policy in China's cement industry. The plant managers and end users can consider using energy efficiency measures to reach new air pollutants emission standards in China's cement industry.

Energy Efficiency Guide For Industry In Asia

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ISBN : 9789280726473
Genre : Political Science
File Size : 64. 74 MB
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This guide has been developed for Asian companies who want to improve energy efficiency through Cleaner Production and for stakeholders who want to help them. It includes a methodology, case studies for more than 40 Asian companies in 5 industry sectors, technical information for 25 energy equipments, training materials, a contact and information database.--Publisher's description.

Psyche Technik Darstellung

Author : Wolf-Dieter Ernst
ISBN : 9783940388476
Genre : Cement industries
File Size : 61. 28 MB
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Energy Efficiency

Author : Great Britain: Parliament: House of Lords: Science and Technology Committee
ISBN : 0104007249
Genre : Energy conservation
File Size : 84. 63 MB
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Energy Efficiency : 2nd report of session 2005-06, Vol. 2: Evidence

Leveraging Technology For A Sustainable World

Author : David A. Dornfeld
ISBN : 9783642290695
Genre : Technology & Engineering
File Size : 88. 58 MB
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The 19th CIRP Conference on Life Cycle Engineering continues a strong tradition of scientific meetings in the areas of sustainability and engineering within the community of the International Academy for Production Engineering (CIRP). The focus of the conference is to review and discuss the current developments, technology improvements, and future research directions that will allow engineers to help create green businesses and industries that are both socially responsible and economically successful. The symposium covers a variety of relevant topics within life cycle engineering including Businesses and Organizations, Case Studies, End of Life Management, Life Cycle Design, Machine Tool Technologies for Sustainability, Manufacturing Processes, Manufacturing Systems, Methods and Tools for Sustainability, Social Sustainability, and Supply Chain Management.

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