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Bioconcrete: The Promising Prospect for Green Construction
Since the construction industry is raising at 0.8–1.2%/yr the concrete utilization growth is assumed to 3.7–4.4 billion tonnes by 2050. Cement is the major composite of concrete. However, its manufacturing contributes approximately 10% of global CO2 emissions and other greenhouse gases. Worldwide, production of cement for concrete makes it 3rd ranking producer of anthropogenic CO2 followed by transport and energy generation. Despite the importance of cement-concrete for construction, it causes several adverse impacts on environment as well as human health at all stages of its manufacturing. In view of these adverse impacts a new term “BioconcreteBioconcrete” has been originated. It is the self-healing form of concrete in which an ecofriendly key ingredient i.e. BiocementBiocement is added. This healing agent can stay dormant for many years and can become active only in the presence of water. Therefore, in modern civilization, MICPMicrobial Induced Carbonate Precipitation (MICP)derived Biocement-bioconcreteBioconcrete can be the suitable alternative for eco-friendly construction. This chapter presents the overview of Bio Concrete. It describes the need for Biocement and Bioconcrete and the significant mechanism of BiomineralizationBiomineralization/BioprecipitationBioprecipitation. The chapter represents the detailed method of MICPMicrobial Induced Carbonate Precipitation (MICP), i.e., Microbially induced calcium carbonate precipitation including all the possible pathways. It emphasizes triggering the metabolic pathways by various microbes for synthesis of Biocement-BioconcreteBioconcrete. The chapter also discusses various factors influencing performance of MICPMicrobial Induced Carbonate Precipitation (MICP). Besides, it illustrates the current limitation for commercialization of such self-healing construction material along with numerous potential applications. Furthermore, it highlights the future perspectives of these materials in the upcoming era as a promising and self-healing ecofriendly material of choice for green constructionGreen construction.
Bioconcrete: The Promising Prospect for Green Construction
Since the construction industry is raising at 0.8–1.2%/yr the concrete utilization growth is assumed to 3.7–4.4 billion tonnes by 2050. Cement is the major composite of concrete. However, its manufacturing contributes approximately 10% of global CO2 emissions and other greenhouse gases. Worldwide, production of cement for concrete makes it 3rd ranking producer of anthropogenic CO2 followed by transport and energy generation. Despite the importance of cement-concrete for construction, it causes several adverse impacts on environment as well as human health at all stages of its manufacturing. In view of these adverse impacts a new term “BioconcreteBioconcrete” has been originated. It is the self-healing form of concrete in which an ecofriendly key ingredient i.e. BiocementBiocement is added. This healing agent can stay dormant for many years and can become active only in the presence of water. Therefore, in modern civilization, MICPMicrobial Induced Carbonate Precipitation (MICP)derived Biocement-bioconcreteBioconcrete can be the suitable alternative for eco-friendly construction. This chapter presents the overview of Bio Concrete. It describes the need for Biocement and Bioconcrete and the significant mechanism of BiomineralizationBiomineralization/BioprecipitationBioprecipitation. The chapter represents the detailed method of MICPMicrobial Induced Carbonate Precipitation (MICP), i.e., Microbially induced calcium carbonate precipitation including all the possible pathways. It emphasizes triggering the metabolic pathways by various microbes for synthesis of Biocement-BioconcreteBioconcrete. The chapter also discusses various factors influencing performance of MICPMicrobial Induced Carbonate Precipitation (MICP). Besides, it illustrates the current limitation for commercialization of such self-healing construction material along with numerous potential applications. Furthermore, it highlights the future perspectives of these materials in the upcoming era as a promising and self-healing ecofriendly material of choice for green constructionGreen construction.
Bioconcrete: The Promising Prospect for Green Construction
Malik, Junaid Ahmad (editor) / Marathe, Shriram (editor) / Handore, Anita V. (author) / Khandelwal, Sharad R. (author) / Karmakar, Rajib (author) / Jagtap, Abhijeet S. (author) / Handore, Dilip V. (author)
Ecological and Health Effects of Building Materials ; Chapter: 29 ; 567-584
2021-08-08
18 pages
Article/Chapter (Book)
Electronic Resource
English
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