Coal samples were pulverized using a crushing instrument (Huangdai 800Y, Zhejiang Yongkang Platinum Metal Products Co., Ltd., China) and the pulverizged coal was screened using an 80–100 mesh sieve to remove non-pulverized large particles. ... with calcium carbonate formed by the combination of carbonate and calcium ions …

Silica is a standard commercial filler to reduce rolling resistance of tires. The co-filler of nano-size calcium carbonate and bio-based particles also produce reinforced rubber with similar tensile properties and rolling resistance as silica reinforced rubber. A synergistic effect between calcium carbonate and soy protein nanoparticles was …

Microbially induced calcium carbonate precipitation (MICCP) is a naturally occurring biological process in which microbes produce inorganic materials as part of their basic metabolic activities.

Microbially induced calcium carbonate precipitation (MICCP) is a naturally occurring biological process in which microbes produce inorganic materials as part of their basic metabolic activities. This technology has been widely explored and promising with potential in various technical applications.

Microbially induced calcium carbonate precipitation (MICP) is an emerging technique that has been used to address soil amelioration, building material …

In this review, microbiological and molecular concepts of Microbially induced Calcium Carbonate Precipitation (MICP) and their role in bioconcrete are discussed. MICP is a widespread biochemical process in soils, caves, …

To induce calcium carbonate precipitation, M. parvus was incubated at different calcium formate concentrations and starting culture densities. Up to 91.4% ± 1.6% of the initial calcium was ...

The strategies explored to date are based on three main approaches: (i) the use of allochthonous and (ii) autochthonous alive cells that, due to the bacterial …

The results show that marble is mainly composed of calcium carbonate (CaCO 3)in major quantity for about 95.21% (this is the sum of loss on ignition (LOI) and carbon dioxide (CaO) content). Results show …

Muynck et al. took calcium chloride as the calcium source and soaked the specimens in different nutrient solutions for six days to explore the influence of nutrient broth (a complex nutrient that supports rapid bacterial growth) added to the medium on the morphology of calcium carbonate crystals on the surface of mortar.

First, urea is hydrolyzed into carbonate and ammonium by soybean urease. Second, calcium carbonate is produced in the presence of calcium source. The steps of the reactions are shown in Equations (1) …

In this review, we discuss microbially induced calcium carbonate precipitation (MICP) in detail. In the MICP process, urease plays a major role in urea hydrolysis by a …

In this study, a process for preparing battery-grade lithium carbonate with lithium-rich solution obtained from the low lithium leaching solution of fly ash by adsorption method was proposed. A carbonization-decomposition process was carried out to remove impurities such as iron and aluminum. First, primary Li2CO3 was treated by CO2 to get …

In the study, it was stated that cracks occur on the soil surface due to some conditions such as climatic conditions; these cracks were amended with the produced calcium carbonate layers. Accordingly, the effect of calcium carbonate on the cracking modulus of the ground became stronger and was stated to be 35.9 MPa.

Introduction. Bacterial Calcium Carbonate Mineralization (BCCM) is a widespread natural process of many bacterial taxonomic groups in different environments, ranging from microscopic crystals to large geological formations (Boquet et al., 1973; Ehrlich, 2002; Zavarzin, 2002; Dupraz et al., 2009; Perito and Mastromei, 2011).According to …

Calcium supplements are poorly absorbed by people who have too little stomach acid. This is more common as we age. Stomach acid is produced when you eat, so take calcium carbonate supplements with food. Calcium and iron supplements compete for absorption. If taking both, do not take them at the same time of day.

Bio-catalytic calcification (BCC) reactors utilise microbial urea hydrolysis by autochthonous bacteria for the precipitation-removal of calcium, as calcite, from industrial wastewater. Due to the limited knowledge available concerning natural ureolytic microbial calcium carbonate (CaCO(3)) precipita …

Disposal of massive amounts of eggshells and seashells from processing industries is a challenge. In recent years, there has been a focus to reuse these waste resources in the production of new thermoplastic and thermoset polymer materials. This paper reviews eggshell and seashell production by country and provides a perspective …

Co-precipitation of mineral-based salts during scaling remains poorly understood and thermodynamically undefined within the water industry. This study focuses on investigating calcium carbonate and …

Other metals and radionuclides, like cadmium (Yin et al., 2021a) and strontium (Lauchnor et al., 2013) can be precipitated to form their own insoluble carbonate minerals via the same route (Equation 5, M 2+ represents a divalent metal cation).Alternatively, they can be co-precipitated with calcium carbonate (Equation 6) if calcifying microbes can …

Abstract Microbe-mineral interactions are ubiquitous and can facilitate major biogeochemical reactions that drive dynamic Earth processes such as rock …

Published: In this study, CO 2 sequestration was investigated through the microbially-induced calcium carbonate precipitation (MICP) process with isolates …

The precipitation of calcium carbonate induced by Sporosarcina pasteurii (S. pasteurii) has garnered considerable attention as a novel rock and soil reinforcement technique. The content and structure of calcium carbonate produced through this reaction play a crucial role in determining the rocks' and soil's reinforcement effects in the later …

Aluminum- and calcium-based phosphate binders, sevelamer carbonate, and lanthanum carbonate are most frequently used for treating hyperphosphatemia [14,23,24]. In this clinical study, researchers aimed to compare the therapeutic and other vital parameter effects of aluminum- and calcium-free phosphate binder for six months in …

This calcium carbonate precipitation plays the important role of a barrier and blocks the ingress of corrosive chemicals into concrete cracks, and thus, saving the concrete structure. It is the most used and studied pathway in the line of self-healing microbial concrete. ... Munn CB (2004) Marine microbiology: ecology and applications. …

Calcium Normal reference: Serum: 4.6-5.2 mg/dL Whole blood: 4.9-5.6 mg/dL Serum:≤4.59 mg/dL Whole blood: ≤4.89 mg/dL Calcium carbonate chew tabs 1000 mg every 4 hours x 4 doses Calcium carbonate suspension 1250 mg every 4 hours x 4 doses Consider oral/enteral replacement if asymptomaticD 2 g calcium gluconate or 1 g calcium

In this review, the detailed metabolic pathways, including ammonification of amino acids, dissimilatory reduction of nitrate, and urea degradation (ureolysis), along …

Abstract. Aims: To gain an understanding of the environmental factors that affect the growth of the bacterium Sporosarcina pasteurii, the metabolism of the bacterium and the calcium carbonate precipitation induced by this bacterium to optimally implement the biological treatment process, microbial induced calcium carbonate precipitation …

The purpose of this work was to use different surfactants to deposit different crystalline calcium carbonate films on the surface of sandstone through a simple double displacement reaction. This was done to test the protective effects of calcium carbonate coatings based on water absorption, moisture permeability and weather resistance. …

Abstract The microbial-induced carbonate precipitation (MICP) has acquired significant attention due to its immense potential in sustainable engineering applications, particularly in soil improvement. However, the precise control of microbial-induced calcium carbonate precipitation remains a formidable challenge in engineering practices, owing …