Sugar cane bagasse ash as a partial substitute of Portland cement: Effect on mechanical properties and emission of carbon dioxide

Berenguer, Romildo Alves; Capraro, Ana Paula Brandão; Medeiros, Marcelo Henrique Farias de; Carneiro, Arnaldo Manoel Pereira; Oliveira, Romilde Almeida de

doi:10.1016/j.jece.2020.103655

Cited by 66 publications

(27 citation statements)

References 23 publications

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“…The presence of silicon oxide in the green tape is related to the chemical composition of the SCBA waste, as seen in the XRF spectroscopy. We observed that the SiO 2 peak positions are following the literature 43,44,45 . The α‐alumina phase comes from the powder Al 2 O 3 , which is in agreement with the results found in the literature 46,47,48 .…”

Section: Resultssupporting

confidence: 91%

“…We observed that the SiO 2 peak positions are following the literature. 43,44,45 The α-alumina phase comes from the powder Al 2 O 3 , which is in agreement with the results found in the literature. 46,47,48 We only noticed the presence of the α-alumina phase in the sintered tape, considering that SiO 2 served as a flux to reduce the sintering temperature.…”

Section: Resultssupporting

confidence: 91%

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Incorporating sugarcane bagasse ash into Al₂O₃ ceramic tapes

Silva

Alves

Freitas

et al. 2020

Int J Applied Ceramic Tech

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High-temperature co-fired ceramic (HTCC) technology has attracted increasing attention due to its cost-benefit ratio and excellent working capacity in adverse temperature environments, 1,2,3 applying to components of gas turbine engines for high-temperature aircraft. 4,5 Typically, fibers ceramic matrices are commonly used in exhaust structures in these turbines, presenting irregular and low hardness surfaces, which generate insufficient resistance to wear and erosion. 6,7 Thus, it is necessary to develop ceramic substrates that serve as protective covers for these materials. 8,9 We commonly use alumina ceramic matrices as the material for substrates and packages because of their excellent mechanical and thermal properties, high dielectric strength, high resistivity, and thermal and chemical stability. 10,11 However, the use of pure alumina nanoparticles is limited for this purpose, considering that its sintering temperature for dense bodies occurs above 1350°C. 12,13 The incorporation of industrial waste such as from the sugarcane bagasse ash (SCBA) into the alumina substrate serves as a flux, decreasing the sintering temperature. 14,15 Generally, waste will have discarded outdoors, causing significant environmental problems, affecting flora, fauna, and people's

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Section: Resultssupporting

confidence: 91%

Section: Resultssupporting

confidence: 91%

Incorporating sugarcane bagasse ash into Al₂O₃ ceramic tapes

Silva

Alves

Freitas

et al. 2020

Int J Applied Ceramic Tech

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“…Fuel emissions account for 40% of total CO 2 from the cement manufacturing process. Therefore, both cement substitutes [14][15][16][17] and alternative sources of energy [18][19][20][21] that can be used in concrete and cement production are sought, as presented in the current research. Furthermore, the building sector is consuming huge amounts of energy, as existing buildings need electricity and heating and cooling systems [22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Influence of Polypropylene, Glass and Steel Fiber on the Thermal Properties of Concrete

et al. 2021

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The variety of approaches to tackle climate change reflects the size of this global problem. No technology will act as a panacea to cure the greenhouse gas emissions problem, but new building materials with byproducts or even wastes have the potential to play a major role in reducing the environmental impacts of the building sector. In this study, three potential solutions of concrete with dispersed reinforcement in the form of recycled fibers (polypropylene, glass and steel) were examined. The aim is to present a detailed analysis of the thermal properties of new building materials in an experimental approach. Concrete mixtures were prepared according to a new, laboratory-calculated recipe containing granite aggregate, a polycarboxylate-based deflocculant, Portland cement (52.5 MPa) and fibers. This experimental work involved three different contents of each fiber (0.5%, 0.75% and 1.0 wt.%), and all tests were carried after the complete curing cycle of concrete (28 days).

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“…As a result, in recent years, several investigators have suggested the use of SCBAs as SCMs in the countries with the low availability of PC-based compounds [13]as SCBA is made up of amorphous or crystalline silica (SiO2) [14], which enhances its capacity to add minerals to cement compounds [15][16][17][18]. In addition to that, using SCBA as SCMs can have lesser impact on environment as clinkers are not used, which helps in reduction in CO2 emissions in the environment as described [19,20].…”

Section: Introductionmentioning

confidence: 99%

“…Previous research has shown that Portland cement may have been replaced by SCBA to make standard concrete [20][21][22][23][24][25][26][27][28] and mortar [29,30]. Cordeiro et al [16] also concluded that in certain conditions of mortar, the inclusion of SCBA helps to enhance mechanical strength.…”

Section: Introductionmentioning

confidence: 99%

Effects of nanosilica to improve the mechanical, electrical and durability properties of fiber-reinforced high-volume processed sugarcane bagasse ash cement mortar

Gopalakrishnan

Kaveri

JohnKirubahar

2021

Preprint

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Nanosilica (NS) has attracted wide variety of usage as cement ingredients. While many other studies have focused on early cement hydration and hardening properties, there is less data available on the impact of NS on the behavior of fiber-reinforced high-volume sugarcane bagasse cement mortar (HVSCBAM). The effects of NS on the fiber-reinforced durability of HVSCBAM, having the properties of sugarcane bagasse ash/binder in an average of 50% by weight, have been presented in detail in this study. Four NS/binder weight ratio dosages of 0%, 0.5%, 1.0% and 1.5% of and another four total PVA fiber/volume ratio dosages of 0%, 0.2%, 0.5% and 1.0% were used. Compared to 0.2-1 vol.% of PVA fiber–reinforced HVSCBAM, the 1.5 wt.% of NS would enhance the compressive strength further. Various reports on mineralogy and microstructure have demonstrated that NS facilitates fiber/matrix bonding. These conclusions provide an insight into the pozzolanic materials of cement that are used in a large volume in the designs and applications of nanoparticles.

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Sugar cane bagasse ash as a partial substitute of Portland cement: Effect on mechanical properties and emission of carbon dioxide

Cited by 66 publications

References 23 publications

Incorporating sugarcane bagasse ash into Al₂O₃ ceramic tapes

Incorporating sugarcane bagasse ash into Al₂O₃ ceramic tapes

Influence of Polypropylene, Glass and Steel Fiber on the Thermal Properties of Concrete

Effects of nanosilica to improve the mechanical, electrical and durability properties of fiber-reinforced high-volume processed sugarcane bagasse ash cement mortar

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Sugar cane bagasse ash as a partial substitute of Portland cement: Effect on mechanical properties and emission of carbon dioxide

Cited by 66 publications

References 23 publications

Incorporating sugarcane bagasse ash into Al2O3 ceramic tapes

Incorporating sugarcane bagasse ash into Al2O3 ceramic tapes

Influence of Polypropylene, Glass and Steel Fiber on the Thermal Properties of Concrete

Effects of nanosilica to improve the mechanical, electrical and durability properties of fiber-reinforced high-volume processed sugarcane bagasse ash cement mortar

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Product

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Incorporating sugarcane bagasse ash into Al₂O₃ ceramic tapes

Incorporating sugarcane bagasse ash into Al₂O₃ ceramic tapes