Use of wastes of the sugar industry as pozzolana in lime-pozzolana binders: study of the reaction

Hernández, José Fernando Martirena; Middendorf, Bernhard; Gehrke, Matthias; Budelmann, Harald

doi:10.1016/s0008-8846(98)00130-6

Cited by 190 publications

(61 citation statements)

References 11 publications

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“…Studies of Martirena Hernández et al [11], Singh et al [12], Ganesan et al [13] and Morales et al [14] show that replacing cement by ash (5 to 30% by mass) is able to improve the mechanical properties and durability of concrete.…”

Section: The Scba As "Clean" Additivementioning

confidence: 99%

Evaluation of partial clinker replacement by sugar cane bagasse ash: CO2 emission reductions and potential for carbon credits

Fairbairn¹,

Paula²,

Cordeiro³

et al. 2012

Rev. IBRACON Estrut. Mater.

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This work presents a study about the viability of possible CO 2 emissions reductions scenarios for the cement manufacturing through the implementation of Clean Development Mechanisms (CDM) associated with the partial replacement of cement by sugar cane bagasse ash (SCBA). Studies on the thermal, chemical and mechanical behavior of concretes containing 5 to 20% of ash indicated that there is improvement on the performance of all analyzed properties and that the ash can be used as admixture on the cement manufacturing. The CO 2 emissions of two hypothetical scenarios of CDM Project implementation in the state of São Paulo through this technology were evaluated based on the official and applicable methodology. The results show that there are emission reductions on both scenarios, even for the most unfavorable, evidencing the possibility of obtaining negotiable carbon credits.Keywords: clean development mechanisms, CO 2 emissions, sugar cane bagasse ash, carbon credits.Este trabalho apresenta um estudo sobre a viabilidade de possíveis cenários de redução de emissão de CO 2 na fabricação de cimento através da implementação de projetos de Mecanismo de Desenvolvimento Limpo (MDL) associados à substituição parcial de cimento por cinza do bagaço de cana de açúcar (CBCA). Estudos sobre o comportamento térmico, químico e mecânico de concretos com 5 a 20% de cinza indicaram que existe melhora no desempenho de todas as propriedades analisadas e que a cinza pode ser usada como aditivo na fabricação de cimento. As emissões de CO 2 de dois cenários hipotéticos de implementação de projeto de MDL através desta tecnologia no estado de São Paulo, com base na metodologia oficial aplicável, foram avaliadas. Os resultados demonstram que existem reduções de emissões em ambos os cenários, inclusive para o mais desfavorável, evidenciando a possibilidade de obtenção de créditos de carbono negociáveis. Janeiro, toledo@coc.ufrj.br, eduardo@coc.ufrj.br, CT-Ilha do Fundão, 21945-970, Rio de Janeiro-RJ, Brazil; Civil Engineering Laboratory, Science and Technology Center, Universidade Estadual do Norte Fluminense Darcy Ribeiro, gcc@uenf.br, Av. Alberto Lamego, 2000, 28013-602, Campos dos Goytacazes -RJ, Brazil; c FBDS -Fundação Brasileira para o Desenvolvimento Sustentável, Rio de Janeiro, RJ, branca.americano@gmail.com. Received: 26 Mar 2010 • Accepted: 20 Jan 2012 • Available Online: 02 Apr 2012 Abstract Resumo Palavras

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Section: The Scba As "Clean" Additivementioning

confidence: 99%

Evaluation of partial clinker replacement by sugar cane bagasse ash: CO2 emission reductions and potential for carbon credits

Fairbairn¹,

Paula²,

Cordeiro³

et al. 2012

Rev. IBRACON Estrut. Mater.

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“…The literature indicates that BA with elevated fineness could be a good pozzolanic material in concrete (21,22). Thus, the original bagasse ash (OBA), for which the particles retained on a No.…”

Section: Binder Materialsmentioning

confidence: 99%

“…Likewise, bagasse ash (BA), a by-product acquired from burning bagasse for an electricity generation power plant at a sugar factory, has been ground to have high fineness and used as a pozzolanic material in concrete (21,22). Chusilp et al (23) indicated that BA could be used to partially replace OPC at a rate as high as 30%wt of binder and that the resulting the compressive strength at 28 and 90 days could be higher than those of concrete without BA.…”

Section: Introductionmentioning

confidence: 99%

Influence of bagasse ash and recycled concrete aggregate on hardened properties of high-strength concrete

et al. 2018

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ABSTRACT:This research aimed to use of bagasse ash as a cement replacement in high-strength recycled aggregate concrete (HS-RAC). Crushed limestone was replaced with 100% recycled concrete aggregate (RCA) and the ground bagasse ash (GBA) was used to partially replace ordinary Portland cement (OPC) at 20, 35 and 50%wt of binder to cast HS-RAC. The results indicated that the replacing of crushed limestone with RCA had a negative impact on the properties of the concrete. Increasing the amount of GBA in HS-RAC resulted in a decrease in density and an increase in the volume of permeable pore space. The concrete mixtures prepared with 20%wt GBA replacement of OPC promoted greater the compressive strength than the conventional concrete (CT concrete) at 90 days or more. HS-RAC with GBA (up to 50%) was more durable in terms of chloride ion penetration resistance, although it had lower compressive strength than the CT concrete. RESUMEN: Influencia de la ceniza de bagazo y los áridos de hormigón reciclado en las propiedades de endurecimiento de hormigones de alta resistencia.En esta investigación se utilizó ceniza de bagazo como sustituto del cemento en hormigón de alta resistencia con áridos reciclados (HS-RAC). La piedra caliza fue sustituida por un árido 100% reciclado de hormigón y la ceniza de bagazo molida (GBA) en diferentes porcentajes (20, 35 y 50% en peso del material cementante) fue utilizada para reemplazar parcialmente al cemento Portland para producir hormigón de tipo HS-RAC. Los resultados indicaron que la sustitución de la piedra caliza molida por áridos de hormigón reciclado tiene un efecto negativo en las propiedades del hormigón. Aumentar la cantidad de GBA en el HS-RAC redujo la densidad e incrementó el volumen del espacio de los poros permeables. Las mezclas de hormigón preparadas reemplazando 20% en peso del cemento Portland por ceniza de bagazo molida presentaron mayor resistencia a la compresión que el hormigón convencional a los 90 días o más. El HS-RAC con GBA (hasta 50%) tuvo una durabilidad mayor que el hormigón convencional en términos de resistencia a la penetración de iones de cloruro, a pesar de tener una menor resistencia a la compresión.PALABRAS CLAVE: Hormigón; Árido; Resistencia a la compresión; Durabilidad; Cloruros ORCID ID: P. Rattanachu

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“…Por esta razão, estas cinzas vêm sendo avaliadas e estudadas como adição mineral pozolânica, ou seja, como material de substituição parcial de cimento Portland em compósitos. 4,[6][7][8] Simulações realizadas por Fairbairn et al 9 demonstraram que a adição de minerais em compósitos à base de cimento podem resultar em benefícios ambientais. Portanto, a utilização de adição mineral como substituição parcial do cimento Portland se enquadra no conceito de mecanismos de desenvolvimento limpo que comtempla projetos de redução de emissões de CO 2 .…”

Section: Introductionunclassified

Thermal and Chemical Treatments for Removal of Alkali Oxides of Elephant Grass Ashes

Nakanishi¹,

Villar-Cociña²,

Santos³

et al. 2014

Química Nova

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. Elephant grass ash (EGA) was produced at 700 °C, with two different treatments: hot water (EGAhw) or acid solution (EGAas). The efficiency of the treatments at removing the potassium oxide was evaluated with the aim of using the EGA as a pozzolanic mineral addition for cement-based composites. Characterizations were carried out by X-ray fluorescence (XRF), X-ray diffraction (XRD), pozzolanic activity by electric conductivity and application of the kinetic-diffusive model. The analysis evidenced that the chemical treatment was more efficient for removing potassium oxide. The pozzolanic activity test and the kinetic parameters for the EGAas indicated that this ash is suitable for cement-based composites.

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Use of wastes of the sugar industry as pozzolana in lime-pozzolana binders: study of the reaction

Cited by 190 publications

References 11 publications

Evaluation of partial clinker replacement by sugar cane bagasse ash: CO2 emission reductions and potential for carbon credits

Evaluation of partial clinker replacement by sugar cane bagasse ash: CO2 emission reductions and potential for carbon credits

Influence of bagasse ash and recycled concrete aggregate on hardened properties of high-strength concrete

Thermal and Chemical Treatments for Removal of Alkali Oxides of Elephant Grass Ashes

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