Self-healing bioconcrete based on non-axenic granules: A potential solution for concrete wastewater infrastructure
- Publisher:
- Elsevier
- Publication Type:
- Journal Article
- Citation:
- Journal of Water Process Engineering, 2021, 42, pp. 1-12
- Issue Date:
- 2021-08-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 1-s2.0-S2214714421002269-main.pdf | 3.32 MB |
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This paper summarized the metabolic pathways, mechanisms, and performance of various microbial induced calcite precipitation (MICP) microorganisms as self-healing agents for the development of self-healing bioconcrete. Despite the remarkable progress achieved to date, the high costs involved in the cultivation and encapsulation of the axenic cultures have led to a shift of research focus towards the use of non-axenic microbial cultures. They have superior benefits as self-healing agents in terms of easy cultivation and low cost. Granular sludge was widely used in wastewater treatment. Considering the high need for concrete-based wastewater infrastructure, granular sludge cultivated using wastewater has the potential to develop bioconcrete for sewer systems and wastewater treatment plants. To achieve large-scale application, future research should enhance the understanding of the long-term performances and develop systematic and comparable evaluation methods.
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