Kinetics of glycerol and polyglycerol maleates production: …
In the past, naturally occurring bio-based polymers have been employed as admixtures for concrete. Starch, rice husks, biochar from sugarcane bagasse, lignosulfonates from paper production, and glycerol from biodiesel are alternatives that are currently being employed in superplasticizer manufacturing (Ilg and Plank, 2019, Eggum …
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New Mycelium Composite Could Change Building
The molds that grew the new material were knitted, a unique approach to bio-based building materials. "Knitting is an incredibly versatile 3D manufacturing system," Scott said in a news release .
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In the Field Bioglycerol: a multifunctional aid for the …
Abstract. Crude bioglycerol from biodiesel and oleochemicals manufacturing is a multifunctional grinding aid and quality improver for the production of cement, …
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Self-Healing Bio-Concrete | Giatec Scientific Inc.
Bio-concrete is a self-healing form of concrete designed to repair its own cracks. It was developed by Dutch researcher and microbiologist Hendrik Jonkers using an extra ingredient acting as a healing agent and requires no human intervention to be repaired once placed. Bio-Concrete set to revolutionize the building industry: Dutch inventor of ...
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Bio-concrete: Unveiling self-healing properties beyond crack …
The compressive strength of the bio-concrete contains different amounts of endospores (i.e., 10 5-10 10 cells/ml with a fixed amount of 2 wt% nutrient) at 3, 7, 28, 56, and 90d are plotted in Fig. 1 (a). The compressive strength of bio-concrete is much higher than that of reference concrete (no bacteria exposure) at all stages.
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Experimental study on bio-concrete for sustainable …
Abstract. Concrete, a widely used building material, is highly susceptible to cracking, significantly reducing its lifespan and leading to expensive repairs. Cracks may …
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High strength bio-concrete for the production of building …
The production of bio-concrete is based on the process of microbially-induced calcium carbonate precipitation (MICP), in which calcium carbonate (CaCO 3) …
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Chemical investigation and process optimization of glycerine …
High embodied carbon of concrete and waste generation from the oleochemical industry pave an alternative way for the sustainable utilization of glycerine pitch (GP) and used cooking oil (UCO) in the production of roofing tiles. In this study, a mixture of UCO and GP, known as blended organic binder (BOB) was utilized to produce …
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KR100826729B1
A concrete releasing agent, and a method for preparing the concrete releasing agent are provided to lower a manufacturing cost and to improve environmental friendliness by using biodegradable glycerin. A concrete releasing agent comprises the glycerin which is generated as a by-product in the biodiesel production plant. Also the concrete releasing …
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Comparative Study on Self Curing Concrete with Super …
The present study involves self-curing agents such as Super Absorbent Polymer (SAP) and glycerin were used in concrete and gives better hydration and strength. Sodium polyacrylate is a super absorbent polymer which is used to absorb water and convert it into gel. Glycerine is a simple polyol compound. A direct plasticizing effect is produced in ...
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Bio-Based Renewable Additives for Sustainable Roadway Snow and Ice
Agencies are constantly seeking alternatives that maximize the benefits of acetates and agro-based products while minimizing their drawbacks. Meanwhile, research is needed for value-added utilization of desugared beet molasses and glycerol, which are the principal byproducts of beet sugar refining and biodiesel production, respectively.
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Bio-Concrete Achieves Unprecedented Strength | Research …
npj Materials Sustainability - High strength bio-concrete for the production of building components. Portland-cement-based concrete is indispensable in construction, yet its production is a significant source of CO2 emissions, accounting for 5-8% of global emissions. While renewable energy can mitigate energy-related emissions, process ...
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Sustainability of biodiesel production in Malaysia by production of bio …
Recent market analysis projects that demand glycerin by-product of oleochemicals and biodiesel production will expand at an annualized average rate of 7% during 2007–2021, with 6 million tons of overall production in 2025 (Citation 161). There are several studies on the techno-economic analysis of biomass fast pyrolysis for bio-oil …
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Microbial Concrete—a Sustainable Solution for Concrete
In the ever-increasing demand of construction and construction materials worldwide, concrete is the most extensively used material for construction purposes almost next to the water. Therefore, there is a dire need of clean, green and durable concrete. Recently, an environmentally friendly strategy has been employed to manufacture bio …
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Concrete with Natural Fibres (Bio Concrete) | SpringerLink
For the calculation of the cost of production for concrete with natural fibres, the values presented in Table 6 were used. The cost for 1 m 3 of concrete of the control mixture was 114,35 euros and for the concrete with …
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Production of bio‐based concrete water reducers from …
It discusses the production of synthetic and bio-based concrete water reducers and reviews the present challenges involved in the preparation of bio-based …
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(PDF) Bioconcrete: next generation of self-healing concrete …
Abstract and Figures. Concrete is one of the most widely used construction materials and has a high tendency to form cracks. These cracks lead to significant reduction in concrete service life and ...
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Production of bio‐based concrete water reducers from …
Water reducers are additional chemical ingredients used in concrete to reduce the quantity of water required in the concrete mixture. When added to concrete, water reducers increase the workability and flowability of concrete in the freshly mixed state and improve the mechanical strength and durability of the final hardened product.
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Bio-concrete: Unveiling self-healing properties beyond crack …
Statistical analysis reveals that calcite deposition mostly influences the strength of self-healed bio-concrete whereas experimental findings show 5.8–6.3 wt% …
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Glycerin bioprocessing goes green | Nature Biotechnology
There is research underway to convert glycerin to propylene glycol—a chemical used in the production of antifreeze—for use as an additive for cattle feed, or to control dust when mixed with ...
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bio glycerin in the production of concrete
Glycerine, which is a by-product of waste-based biodiesel production, does not have standard quality, however, in most cases the glycerol content is below 70%. Source: GREENEA analysis GREENEA | 14 0 50 100 150 200 250 300 350 400 450 Glycerin 80% Veg. FCA NWE Glycerin 80% UCO FCA NWE • Waste based glycerine is difficult to …
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Generation of biogas using crude glycerin from biodiesel production …
The influence of crude glycerin on biogas production and methane content of the produced biogas was studied, when added to cattle slurry. The experimental design consisted of 5% wt (Gli 5), 10% wt (Gli 10), and 15% wt (Gli 15) of crude glycerin added to cattle slurry, and one control digester without addition of crude glycerin.
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The glycerol biorefinery: a purpose for Brazilian biodiesel production …
Figure 4 shows the increase of glycerin production which follows the biodiesel production growth in the period from 2005 to 2011. If the use of B10 is implemented in Brazil, 5.56 million m 3 biodiesel would be produced, corresponding to approximately 600,000 m 3 of glycerin, which is much higher than the national demand.
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Utilization of Crude Glycerin from Biodiesel Production: A …
The production of BDF generates glycerin (also known as glycerol) as a by-product. Because alkaline metal oxides or alkaline hydroxides are commonly used as catalysts for the transesterification of vegetable oils with methanol, the glycerin stream is strongly alkaline, and therefore must be neutralized, demineralized, rinsed with water, …
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Dust Suppression with Glycerin from Biodiesel Production: A …
Glycerin, a by-product from biodiesel manufacturing, has been evaluated for dust suppressant performance when applied alone as aqueous solutions, or in combinations with surfactants, polymers, or ...
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Greening the Construction Industry: Enhancing the …
Bio-glycerol was demonstrated to be a highly efficient renewable-based additive in the grinding process for concrete production and helped reduce energy …
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Crude Glycerin, a By-product of Biodiesel, as Admixture for …
Table 3presents the capacity to absorb water by immersing the samples with and without crude glycerin. It can be observed that the crude glycerin added decreased the absorption of water to specific sand proportions used in the mortar. However, according to the Comité Euro … See more
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Bio-Concrete Achieves Unprecedented Strength | Research …
Summarizing their findings, Smirnova et al. conclude that by maximizing aggregate packing density and fine-tuning cementation parameters, bio-concrete can …
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Comparative Study on Self Curing Concrete with Super …
The present study involves self-curing agents such as Super Absorbent Polymer (SAP) and glycerin were used in concrete and gives better hydration and strength. Sodium polyacrylate is a super absorbent polymer which is used to absorb water and convert it into gel. Glycerine is a simple polyol compound.
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Production of biofertilizer using Lactobacillus inoculants and glycerin
Production of glycerol waste from oleochemical industry in the form of glycerin pitch poseses risk when disposed to the environment. Conventional methods to recover glycerol are infeasible due to ...
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