Journal
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
Volume 172, Issue 5, Pages 2308-2323Publisher
SPRINGER
DOI: 10.1007/s12010-013-0686-0
Keywords
Biomineralization; Calcium carbonate; Ureolytic; Cementitious materials
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Biomineralization is a process that leads to the formation of minerals using the biologically or biotechnologically mediated route. Calcium carbonate is one such biomineral that is secreted by the ureolytic bacteria which contributes for the strengthening and improvement of cementitious and sandy materials. It is a new and innovative area in the geotechnological engineering and structural engineering due to its wide range of implications in strengthening of soil, sand, stone, and cementitious materials. The shape and size of the calcium carbonate particle vary with the strain of the bacterium used, and it is species specific. This paper aims in the critical review of the mechanism of calcium carbonate precipitation by the bacterium, various bacteria involved, and the useful outputs of the technique of biomineralization. Based on the critical review, it also recommends the future development and research in the field to develop a technology that can strengthen the existing and the proposed structures.
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