Technical and economic feasibility of co processing of meat and bone meal in a cement factory in Brazil
Technical and economic feasibility of co processing of meat and bone meal in a cement factory in Brazil
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Carcasses of animals and animal by-products do not have adequate environmental regulations in relation to their disposal in Brazil. The highest occurrence clandestine animal slaughter and the improper disposal of rejected animal by-products are major environmental and public health problems. Mortalities caused by accidents, diseases and electric discharges also generate environmental liabilities by not collecting and disposing of them correctly. In other countries this waste has specific regulations and classification to be co-processed as alternative fuel in the cement industry, being burned in the form of meat and bone meal. The objective of this work is to conduct a study of the technical and economic feasibility of co-processing meat and bone meal in a cement factory in the Midwest region of the state of Minas Gerais, located in Brazil. The processes of production of meat-and-bone meal, destined for cement factories, and tallow destined to the production of biodiesel, were developed. It is concluded that the construction of the new processing unit for animal mortalities and by-products is viable, and the financial impact of the introduction of meat-and-bone meal for co-processing in the cement plant is favorable, demonstrating the possibility of environmental, social gains and economical for the region.
Ricardo de Lima Silva has received Master’s degree in Sustainability and Environmental Technologies from the Federal Institute of Education, Science and Technology of Minas Gerais (IFMG) in 2015. Is now an Professor at the Instituto Federal de Educação, Ciência e Tecnologia Minas Gerais (IFMG) Campus Betim. His research interests are in the areas of industrial processes working mainly in the following subjects: cement industry, environmental technologies, technical and economic feasibility studies and education.
Ricardo Carrasco Carpio received a Ph.D in Mechanical Engineering from the Universidade Federal de Itajubá in 2005, in the area of Energy Conversion. Is now an Professor of the Instituto Federal de Educação, Ciência e Tecnologia Minas Gerais IFMG – campus Arcos and campus Bambui. His research interests are in the areas of Optimization of Thermal Systems and Computational Mechanics, working mainly in the following subjects: cement industry, cogeneration, thermal systems and optimization of Industrial processes.
Ariyaratne., W. K. H. Alternative fuels in cement kilns – Characterization and Experiments, 2009. Master’s Thesis. Faculty of Technology – Telemark University College, Norway.
Ariyaratne., W. K. H. et al. Meat and bone meal as a renewable energy source in cement kilns: Investigation of optimum feeding rate., 2010. In: International Conference on Renewable Energies and Power Quality, Spain.
Gulyurtlu, et al. Co-combustion of coal and meat and bone meal., 2005. Fuel, v. 84, n. 17, p. 2040.
Karstensen. K. H. Formation and release of POPs in the cement industry., 2010. World Business Council for Sustainable Development/SINTEF. Available from http://www. wbcsd. org/plugins/DocSearch/details. asp, 2006.
Pecchio, Marcelo. The influence of phosphorus, sulfur and strontium on portland clinker mineralogy., 2013. Ph.D. Thesis. USP – Universidade de São Paulo.
Uson, A. et al. Uses of alternative fuels and raw materials in the cement industry as sustainable waste management options., 2013. Renewable and Sustainable Energy Reviews, v. 23, p. 249.
Waste co-processing; cement kiln; meat and bone meal; feasibility study; Alternative fuel.
