Effect of Calcined MgO-rich Byproduct from the Extraction of Li&lt;sub&gt;2&lt;/sub&gt;CO&lt;sub&gt;3&lt;/sub&gt; on the Performance of Magnesium Phosphate Cement

Chen, Wenhai; Wu, Chengyou; Yu, Hongfa; Chen, Yuanji; Zheng, Shuhai

doi:10.3151/jact.15.749

Cited by 6 publications

(3 citation statements)

References 25 publications

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“…To circumvent this, incorporation of mineral admixtures or industrial by-products as modifiers into MPC imparted significant improvements in moisture resistance, mechanical and functional properties of the resulting MPC concrete while lowering the overall product costs (Chi and Englund 2014;Liang et al 2019a). These modifiers include fly ash and silica fume from utility plants (Wagh et al 1997;Li and Chen 2013;Liu and Chen 2015;Li et al 2016;Zheng et al 2016;Liao et al 2017;Ahmad et al 2018), mineral wastes (Fan and Chen 2015;Wang et al 2017), metallic slag (Tan et al 2016;Chen et al 2017) as well as natural (mineral) pozzolanic materials such as metakaolin (Lu and Chen 2016;Li et al 2016;Liu and Chen 2016;Shi et al 2019).…”

Section: Effect Of Modifiers/fillers Mpcmentioning

confidence: 99%

Non-conventional mineral binder-bonded lignocellulosic composite materials: A review

Emmanuel

Kuqo

Mai

2021

BioRes

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The construction industry suffers from unsustainability and contributes more than any other industrial sector to carbon emissions that lead to global warming. Increasing economic and environmental concerns related to conventional energy- and CO2-intensive building materials have propelled the rapid and sustained expansion of research in the area of plant-based inorganic mineral binder-bonded materials for the construction industry. The resulting composites can be qualified as eco-responsible, sustainable, and efficient multifunctional building materials. So far, most of these research efforts have not received as much attention as materials based on ordinary Portland cement (OPC). To address this gap, this review focuses on mineral binder-based lignocellulosic composites made from non-conventional inorganic mineral binders/ cements with low embodied energy and low carbon footprint, namely hydrated lime-based binders, magnesium-based cement, alkali-activated cement, and geopolymers, as sustainable alternatives to OPC-bonded lignocellulosic composites (state-of-the-art). The emphasis here is on the application potentials, the influence of production parameters on the material properties/ performance, and recent advancement in this field. Finally, a prediction is provided of future trends for these non-conventional mineral binder-bonded lignocellulosic composites.

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Section: Effect Of Modifiers/fillers Mpcmentioning

confidence: 99%

Non-conventional mineral binder-bonded lignocellulosic composite materials: A review

Emmanuel

Kuqo

Mai

2021

BioRes

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“…It is additionally alluded to as "chemically bonded phosphate ceramic" since of its likeness to ceramic materials [3]. Given its quick rate of setting, tall early quality, great fire resistance, and adhesive properties, MPC has been broadly utilized for the restoration of gracious designing structures [4].…”

Section: Introductionmentioning

confidence: 99%

Carment: Magnesium Cement From Glass Waste As A Solution To The Cement Industry's Carbon Emission Problems

Ulum,

Toar,

Hadrani

et al. 2023

IJOE

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In dealing with carbon emissions generated from the cement industry in general, the author has the idea to use Carment. Carment is a concept of carbon absorbing cement based on magnesium silicate which is derived from silica and is able to reduce carbon emissions from the manufacturing process compared to the manufacture of cement in general. There are several solutions that have existed in overcoming the problem of carbon emissions from the cement industry, such as the Waste Heat Recovery Power Generator (WHRPG), reducing the clinker ratio through blended cement products, and using alternative fuels to replace coal. However, its existence is still quite expensive and has not been able to overcome the problem of carbon emissions resulting from the cement industry. Carment is an innovation in the industrial sector where Carment as a magnesium cement from glass waste can solve the problem of carbon emissions from the calcination process. The availability of glass waste, which has a high availability, contains more than 70% silica and is inexpensive, increases the potential to produce magnesium cement from glass waste in Indonesia.

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“…The western region of China has abundant magnesium by-product resources such as the salt lake, approximately 8 to 10 tons of by product magnesium chloride is obtained after the extraction of potassium chloride, and magnesia can be prepared from magnesium chloride by brine-lime milk method (Liu et al 2019), brine-ammonium carbonate method (Hu et al 2007), and direct thermal decomposition method (Luong et al 2018). The above methods for producing MgO include the calcination of precursors such as Mg(OH) 2 and basic magnesium carbonate, and the reactivity of MgO varies with the calcination conditions (Tan et al 2014;Wu et al 2018;Chen et al 2017). Some reports show that the reactivity of MgO has a noticeable effect on the performance of BMS cement.…”

Section: Introductionmentioning

confidence: 99%

Mechanistic Study of the Effects of Magnesia Reactivity on Setting and Hardening of Basic Magnesium Sulfate Cement

Meng

Tan

et al. 2020

ACT

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Basic magnesium sulfate (BMS) cement was prepared by magnesia with different reactivities derived from calcination of basic magnesium carbonate at 600 to 1000°C. The effects of reactivity of magnesia on the setting time and compressive strength of BMS cement was investigated. Furthermore, XRD, SEM, MIP, hydration heat evolution and the pore solution composition were used to analyze the action mechanism of magnesia reactivity. The results show that the main strength phase of 5Mg(OH) 2 •MgSO 4 •7H 2 O (5•1•7 phase) was formed in BMS cement prepared by magnesia with calcination temperature higher than 600°C. The magnesia with a high BET surface area and low crystallite dimension showed a high adsorption capacity for citrate ions in magnesium sulfate solution, decreasing their concentration in the pore solution. By acting as a soft template for 5•1•7 phase formation, the decrease in citrate ions resulted in a low amount of 5•1•7 phase, forming Mg(OH) 2 instead, leading to a low-strength BMS cement.

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Effect of Calcined MgO-rich Byproduct from the Extraction of Li<sub>2</sub>CO<sub>3</sub> on the Performance of Magnesium Phosphate Cement

Cited by 6 publications

References 25 publications

Non-conventional mineral binder-bonded lignocellulosic composite materials: A review

Non-conventional mineral binder-bonded lignocellulosic composite materials: A review

Carment: Magnesium Cement From Glass Waste As A Solution To The Cement Industry's Carbon Emission Problems

Mechanistic Study of the Effects of Magnesia Reactivity on Setting and Hardening of Basic Magnesium Sulfate Cement

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