Water Treatment Sludge–Calcium Carbide Residue Geopolymers as Nonbearing Masonry Units

Suksiripattanapong, Cherdsak; Horpibulsuk, Suksun; Phetchuay, Chayakrit; Suebsuk, Jirayut; Phoo-ngernkham, Tanakorn; Arulrajah, Arul

doi:10.1061/(asce)mt.1943-5533.0001944

Cited by 33 publications

(11 citation statements)

References 22 publications

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“…Over the past few years, calcium carbide residue (CCR) has been very attractive for using as a promoter similar to the use of PC because it has rich calcium hydroxide (Ca(OH) 2 ) [25]. CCR is a by-product of acetylene production process through the hydrolysis of calcium carbide (CaC 2 ) regarded as a sustainable cementing agent [26][27][28][29]. In Thailand, approximately 21,500 tons CCR is produced annually and is mainly disposed in landfills, which causes a huge local environmental problem due to its high alkalinity [30].…”

Section: Introductionmentioning

confidence: 99%

Strength development and durability of alkali-activated fly ash mortar with calcium carbide residue as additive

Hanjitsuwan

Phoo-ngernkham

et al. 2018

Construction and Building Materials

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115

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The strength development and durability of alkali-activated fly ash (FA) mortar with calcium carbide residue (CCR) as additive cured at ambient temperature were investigated in this paper. CCR was used to partially replace FA as additional calcium in the alkali-activated binder system by a weight percentage of 0%, 10%, 20% and 30%. Sodium hydroxide and sodium silicate solutions were used as liquid alkaline activation in all mixtures. Test results show that the incorporation of CCR has an effect on the strength development of alkaliactivated FA mortar with CCR. The setting time of alkali-activated FA mortar with CCR has 2 decreased whereas its strength development has increased. This is further confirmed by XRD, SEM, and FTIR analyses, which show that the reaction products were increased when the alkali-activated FA incorporated with CCR. The highest 28-day compressive strength of alkali-activated FA mortar was found in the mix of 70% FA and 30% CCR, which is about 40.0 MPa. In addition, the resistances of alkali-activated FA mortar incorporated with CCR to tap water, 5% H 2 SO 4 solution, and 5% MgSO 4 solution are found to be superior to those of alkali-activated FA mortar without CCR as indicated by the relatively low strength loss. For the samples immersed in 5% H 2 SO 4 solution and 5% MgSO 4 solution for 120 days, the alkali-activated FA incorporated with 30% CCR showed a low strength reduction of around 71% and 53%, respectively.

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Section: Introductionmentioning

confidence: 99%

Strength development and durability of alkali-activated fly ash mortar with calcium carbide residue as additive

Hanjitsuwan

Phoo-ngernkham

et al. 2018

Construction and Building Materials

Self Cite

115

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“…Various OPC‐free CCR–FA mixtures were trialed to enhance the strength of a problematic silty clay in Thailand, for problematic soil stabilization, soft marine clay stabilization, and for the manufacture of nonbearing masonry units . Nonbearing masonry units were also experimentally made from CCR in mixtures with WTS; a type of debris with a high content of SiO 2 . The CCR–FA mixtures proved to be strong enough to transform demolition waste (concrete aggregates, crushed bricks, etc.)…”

Section: Sustainable Access Usage and Recycling Of Calcium Carbidementioning

confidence: 99%

“…[166] In addition to strengthening/stabilization,F As ignificantly improves the resistance of soil to the absorption of water.V arious OPC-free CCR-FAm ixtures weret rialed to enhance the strength of ap roblematic silty clay in Thailand, [150] for problematic soil stabilization, [150,167] soft marine clays tabilization, [168] and for the manufacture of nonbearing masonry units. [169] Nonbearing masonry units werea lso experimentally made from CCR [150] FA [150] Silty clay [150] Hydrated lime [150] BA [151] Rice husk [152] Biomass ash [153] OPC [154] WTS [155] Bottoma sh [156] [155] The CCR-FAm ixtures provedt ob es trong enough to transform demolition waste (concrete aggregates,c rushed bricks, etc.) into building material.…”

Section: Calcium Carbidef or Ahealthyenvironment And Civil Engineeringmentioning

confidence: 99%

Calcium‐Based Sustainable Chemical Technologies for Total Carbon Recycling

2019

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Calcium carbide, a stable solid compound composed of two atoms of carbon and one of calcium, has proven its effectiveness in chemical synthesis, due to the safety and convenience of handling the C≡C acetylenic units. The areas of CaC2 application are very diverse, and the development of calcium‐mediated approaches resolves several important challenges. This Review aims to discuss the laboratory chemistry of calcium carbide, and to go beyond its frontiers to organic synthesis, life sciences, materials and construction, carbon dioxide capturing, alloy manufacturing, and agriculture. The recyclability of calcium carbide and the availability of large‐scale industrial production facilities, as well as the future possibility of fossil‐resource‐independent manufacturing, position this compound as a key chemical platform for sustainable development. Easy regeneration and reuse of the carbide highlight calcium‐based sustainable chemical technologies as promising instruments for total carbon recycling.

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“…The use of lightweight materials with low thermal conductivities in the building is continuously increasing because they can reduce the dead load of building structure [1,2] and energy consumption [3]. Many researchers have carried out properties of building walls, including cellular lightweight concrete [4], expanded polystyrene foam aggregate (EPS) concrete [5], phase change materials [6][7][8][9], and masonry units [10][11][12][13][14]. The cellular lightweight concrete, one of the lightweight materials, has lower unit weight and thermal conductivity than conventional materials (red brick, cement brick, and masonry unit) [15].…”

Section: Introductionmentioning

confidence: 99%

Unit Weight, Strengths and Thermal Conductivity of Cellular Lightweight Fly Ash Geopolymer Mortar Reinforced with Polyvinyl Alcohol

Tiyasangthong¹,

Yoosuk²,

Krosoongnern³

et al. 2022

cea

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Lightweight materials are the most popular building wall construction materials because of their fast installation, high insulation, and low cost. However, these materials use cement as a binder. Cement production releases carbon dioxide emissions resulting in environmental issues. The research investigated the use of fly ash geopolymer and polyvinyl alcohol (PVA) to enhance the mechanical and thermal properties of cellular lightweight mortar. The effects of PVA concentrations, foam content (Fc), and curing time on properties of the cellular lightweight fly ash geopolymer (CLFAG) mortar reinforced with PVA specimens were evaluated. The results revealed that the PVA concentrations and Fc had an effect on the unit weights of the CLFAG reinforced with PVA specimens. The lowest unit weight of the specimens was 10.10 kN/m 3 at a PVA concentration of 20% and Fc of 2%. According to the Thailand industrial standard for C12 and C14 CLC block types, all mixed ingredients met the unit weight and compressive strength requirements. The correlation between unit weight and thermal conductivity of CLFAG reinforced with PVA specimens was represented by a linear function, which was a useful equation for estimating the thermal conductivity of specimens.

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Water Treatment Sludge–Calcium Carbide Residue Geopolymers as Nonbearing Masonry Units

Cited by 33 publications

References 22 publications

Strength development and durability of alkali-activated fly ash mortar with calcium carbide residue as additive

Strength development and durability of alkali-activated fly ash mortar with calcium carbide residue as additive

Calcium‐Based Sustainable Chemical Technologies for Total Carbon Recycling

Unit Weight, Strengths and Thermal Conductivity of Cellular Lightweight Fly Ash Geopolymer Mortar Reinforced with Polyvinyl Alcohol

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