Potential use of sugar cane bagasse ash as sand replacement for durable concrete

Sande, Veronica Torres de; Sadique, Monower; Pineda, Paloma; Brás, Ana; Atherton, William; Riley, Michael W.

doi:10.1016/j.jobe.2021.102277

Cited by 28 publications

(14 citation statements)

References 36 publications

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“…The concept of green and environmentally friendly production, emphasizing cost-effective raw materials and minimal environmental impacts, has prompted the exploration of low-cost and eco-friendly silica precursors as alternatives. [1][2][3][4] Typically, mesoporous silica production relies on silica precursors such as tetraethyl orthosilicate (TEOS) with lower reactivity. [5][6][7][8][9] This enables better control over structural formation during sol-gel synthesis, ensuring precise manipulation.…”

Section: Introductionmentioning

confidence: 99%

Green synthesis of surfactant-free mesoporous silica with strong hydrophilicity via metal salt modifications for moisture adsorption

Sangteantong,

Chainarong,

Donphai

et al. 2024

React. Chem. Eng.

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Section: Introductionmentioning

confidence: 99%

Green synthesis of surfactant-free mesoporous silica with strong hydrophilicity via metal salt modifications for moisture adsorption

Sangteantong,

Chainarong,

Donphai

et al. 2024

React. Chem. Eng.

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“…Wastewater is polluted and considered unserviceable due to its discharge in surrounding areas near river streams (Sahu et al, 2017). The sugarcane industry has substantial waste generation and high economic, social, and environmental ramifications (Torres de Sande et al, 2021). This industry uses chemical substances which have massive consequences on the ambient environment by releasing toxic pollutants (Varjani et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Environmental Pollution from Cane Sugar Factories: A Study of Chemical Features Variations in the Wastewater

Khair

Elfaig²,

Yassen

et al. 2023

JPII

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Sugar industry processes release large amounts of wastewater and pollution concentrations. This study focuses on environmental pollution produced by a cane sugar factory (Sampling Assalaya factory) with particular emphasis on the chemical properties of wastewater as an essential feature identifying water pollution in the study area. The study aims to analyze wastewater’s chemical features and disparity based on the Sudanese Standards and Metrology Organization (SSMO) standards. The systemic random sampling method collected twenty samples for each parameter (pH, Total Hardness, PO4, BOD, and COD). Analyses were conducted in the laboratory according to the standard methods for examining water and wastewater (USA). Results revealed significant variations in wastewater features at different sampling sites as pH values ranged between 4.55 to 8.39 and PO4 ranged between 0.097 ppm to 670 ppm in the selected sites. Results also pointed out that Total hardness ranged between 50ppm to 470ppm, BOD ranged between 15ppm to 390ppm, whereas the COD in 80% of the tested samples exceeded the SSMO standard (150ppm). The article concluded that these levels are highly exceeding the recommended level by SSMO. The leading causes of such alarming pollutant levels are related to the effluent of the Assalaya sugar factory in the study area. To reduce such effluent pollution levels, suggestions are made for the Assalaya cane sugar factory to treat its effluent by introducing appropriate technology and methods, such as anaerobic treatment. The Assalaya sugar factory ought to keep up with the transformation to green production as an integral part of its policy to achieve sustainability.

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“…The abundant byproduct generated from extracting juice from the sugarcane stalk is the sugarcane bagasse (SCB), making it economical as fuel for cogeneration plants [ 26 ]. Sugarcane bagasse ash (SCBA) has potential as a supplementary cementitious material (SCM) [ 27 , 28 , 29 ]. Using SCBA as an SCM in cementitious materials can genuinely reduce greenhouse gases and carbon footprint and address the sustainability issues of cement production [ 30 , 31 , 32 , 33 ].…”

Section: Introductionmentioning

confidence: 99%

Mechanical, Electrical, and Tensile Self-Sensing Properties of Ultra-High-Performance Concrete Enhanced with Sugarcane Bagasse Ash

Lian,

Wang,

et al. 2023

Materials

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Although sugarcane bagasse ash (SCBA) possesses favorable cementitious properties, previous research has primarily focused on improving the mechanical performance of conventional concrete- or cement-based composites. Limited attention has been given to ultra-high-performance concrete (UHPC) with SCBA, especially regarding its tensile -sensing properties. This study aimed to comprehensively evaluate the effect of SCBA on the mechanical, electrical, and tensile self-sensing properties of UHPC. The results demonstrated that incorporating SCBA below the critical concentration of 3.0 wt% enhanced the mechanical properties of UHPC. Notably, adding 3.0 wt% SCBA remarkably improved the compressive, flexural, and tensile strengths of UHPC, resulting in increases of 13.1%, 17.4%, and 20.6%, respectively. However, excessive incorporation of SCBA adversely affected the mechanical properties due to reduced workability of UHPC, increased generation of harmful voids, and a lower degree of hydration caused by the excess SCBA. Furthermore, the inclusion of SCBA influenced the electrical resistivity of UHPC, and specifically, an SCBA content of 0.3 wt% yielded the maximum electrical resistivity. Moreover, incorporating SCBA in UHPC enhanced its tensile stress-sensing performance compared to SCBA-free UHPC. Among the various SCBA contents tested, UHPC with 0.3 wt% SCBA presented the best linearity, with values of 8.8% for loading and 17.0% for unloading, respectively, which were significantly lower than those for SCBA-free UHPC, which were 14.0% and 60.0%, respectively. Additionally, UHPC with 0.9 wt% SCBA gained the lowest hysteresis and repeatability, with values of 13.3% and 5.3%, respectively, which were much lower than those for SCBA-free UHPC, which were 50% and 51.6%, respectively. The tensile stress-sensing performance of UHPC is influenced by three key aspects: the gap between adjacent conductive fillers, contact resistance, and the connectivity of the electrical network, which are subject to change due to varying stress states and SCBA concentrations. This study should aid SCBA use and promote UHPC’s practical applications.

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Potential use of sugar cane bagasse ash as sand replacement for durable concrete

Cited by 28 publications

References 36 publications

Green synthesis of surfactant-free mesoporous silica with strong hydrophilicity via metal salt modifications for moisture adsorption

Green synthesis of surfactant-free mesoporous silica with strong hydrophilicity via metal salt modifications for moisture adsorption

Environmental Pollution from Cane Sugar Factories: A Study of Chemical Features Variations in the Wastewater

Mechanical, Electrical, and Tensile Self-Sensing Properties of Ultra-High-Performance Concrete Enhanced with Sugarcane Bagasse Ash

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