| Title | A Review about Microalgae Wastewater Treatment for Bioremediation and Biomass Production-A New Challenge for Europe |
|---|---|
| ID_Doc | 18730 |
| Authors | Geremia, E; Ripa, M; Catone, CM; Ulgiati, S |
| Title | A Review about Microalgae Wastewater Treatment for Bioremediation and Biomass Production-A New Challenge for Europe |
| Year | 2021 |
| Published | Environments, 8.0, 12 |
| Abstract | Microalgae have received much attention in the last few years. Their use is being extended to different fields of application and technologies, such as food, animal feed, and production of valuable polymers. Additionally, there is interest in using microalgae for removal of nutrients from wastewater. Wastewater treatment with microalgae allows for a reduction in the main chemicals responsible for eutrophication (nitrogen and phosphate), the reduction of organic substrates (by decreasing parameters such as BOD and COD) and the removal of other substances such as heavy metals and pharmaceuticals. By selecting and reviewing 202 articles published in Scopus between 1992 and 2020, some aspects such as the feasibility of microalgae cultivation on wastewater and potential bioremediation have been investigated and evaluated. In this review, particular emphasis was placed on the different types of wastewaters on which the growth of microalgae is possible, the achievable bioremediation and the factors that make large-scale microalgae treatment feasible. The results indicated that the microalgae are able to grow on wastewater and carry out effective bioremediation. Furthermore, single-step treatment with mixotrophic microalgae could represent a valid alternative to conventional processes. The main bottlenecks are the large-scale feasibility and costs associated with biomass harvesting. |
| https://www.mdpi.com/2076-3298/8/12/136/pdf?version=1639132690 |
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