Induced calcium carbonate precipitation using Bacillus species
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© Springer-Verlag Berlin Heidelberg 2016.This is the author's accepted version. The final publication is available at Springer via dx.doi.org/10.1007/s00253-016-7701-7
Abstract
Microbially induced calcium carbonate precipitation is an emerging process for the production of self-healing concrete. This study was aimed to investigate the effects and optimum conditions on calcium carbonate biosynthesis. Bacilluslicheniformis, Bacillus sphaericus, yeast extract, urea, calcium chloride and aeration were found to be the most significant factors affecting the biomineralization of calcium carbonate. It was noticed that the morphology of microbial calcium carbonate was mainly affected by the genera of bacteria (cell surface properties), the viscosity of the media and the type of electron acceptors (Ca²⁺). The maximum calcium carbonate concentration of 33.78 g/L was achieved at the optimum conditions This value is the highest concentration reported in the literature.
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Seifan, M., Samani, A. K., & Berenjian, A. (2016). Induced calcium carbonate precipitation using Bacillus species. Applied Microbiology and Biotechnology, 100(23), 9895–9906. https://doi.org/10.1007/s00253-016-7701-7
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