@article{opara_low-carbon_2023,
	title = {Low-carbon magnesium potassium phosphate cement ({MKPC}) binder comprising caustic calcined magnesia and potassium hydroxide activated biochar from softwood technical lignin},
	volume = {398},
	issn = {0950-0618},
	url = {https://www.sciencedirect.com/science/article/pii/S0950061823021918},
	doi = {10.1016/j.conbuildmat.2023.132475},
	abstract = {Biochar augmentation in cementitious materials is attractive for enhancing the products' mechanical properties and improving sustainability. Softwood technical lignin biochar (5 wt-\%) was used to augment MKPC as a replacement material, with increased surface area through KOH activation. Hard-burned (1000 °C) MgO was used as precursor. XRD and SEM-EDX analyses showed “struvite-K” as the primary component of the MKPC materials. MKPC materials including the 2-hour KOH-activated biochar showed the lowest porosity, highest strength and stiffness. Replacing MKPC with KOH-activated biochar can increase strength properties and reduce MKPC binder usage, providing a sustainable approach for precast applications.},
	language = {en},
	urldate = {2023-07-19},
	journal = {Construction and Building Materials},
	author = {Opara, Emmanuel Uchechukwu and Karthäuser, Johannes and Köhler, Robert and Kowald, Torsten and Koddenberg, Tim and Mai, Carsten},
	month = sep,
	year = {2023},
	keywords = {Biochar Augmented Cement, Caustic Calcined Magnesia, Low-carbon cement, Magnesium Potassium Phosphate Cement, Sustainable Construction},
	pages = {132475},
	file = {Opara et al. - 2023 - Low-carbon magnesium potassium phosphate cement (M.pdf:C\:\\Users\\Eva\\Zotero\\storage\\A9YWI9GE\\Opara et al. - 2023 - Low-carbon magnesium potassium phosphate cement (M.pdf:application/pdf},
}

Biochar augmentation in cementitious materials is attractive for enhancing the products' mechanical properties and improving sustainability. Softwood technical lignin biochar (5 wt-%) was used to augment MKPC as a replacement material, with increased surface area through KOH activation. Hard-burned (1000 °C) MgO was used as precursor. XRD and SEM-EDX analyses showed “struvite-K” as the primary component of the MKPC materials. MKPC materials including the 2-hour KOH-activated biochar showed the lowest porosity, highest strength and stiffness. Replacing MKPC with KOH-activated biochar can increase strength properties and reduce MKPC binder usage, providing a sustainable approach for precast applications.

@article{emmanuel_non-conventional_2021,
	title = {Non-{Conventional} {Mineral} {Binder}-{Bonded} {Lignocellulosic} {Composite} {Materials}: {A} {Review}},
	volume = {16},
	copyright = {Copyright (c) 2021},
	issn = {1930-2126},
	shorttitle = {Non-{Conventional} {Mineral} {Binder}-{Bonded} {Lignocellulosic} {Composite} {Materials}},
	url = {https://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_16_2_Review_Emmanuel_Mineral_Binder_Lignocellulosic_Composite},
	abstract = {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.},
	language = {en},
	number = {2},
	urldate = {2021-05-03},
	journal = {BioResources},
	author = {Emmanuel, Opara Uchechukwu and Kuqo, Aldi and Mai, Carsten},
	month = apr,
	year = {2021},
	note = {Number: 2},
	keywords = {Bio-based materials, Inorganic bonded composites, Natural fibers, Non-conventional mineral binders, Sustainable construction},
	pages = {4606--4648},
	file = {Full Text PDF:C\:\\Users\\Eva\\Zotero\\storage\\4VP9LZTH\\Emmanuel et al. - 2021 - Non-Conventional Mineral Binder-Bonded Lignocellul.pdf:application/pdf;Snapshot:C\:\\Users\\Eva\\Zotero\\storage\\UF6DNLXT\\BioRes_16_2_Review_Emmanuel_Mineral_Binder_Lignocellulosic_Composite.html:text/html},
}

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.