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Comparison of Scale in a Photosynthetic Reactor System for Algal Remediation of Wastewater
Published on: March 6, 2017
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Microalgae and wastewater treatment.
N Abdel-Raouf1, A A Al-Homaidan2, I B M Ibraheem3
1Botany and Microbiology Department, Faculty of Science, Medical Studies and Sciences Sections, King Saud University, Riyadh, Saudi Arabia.
Saudi Journal of Biological Sciences
|June 18, 2014
Summary
Microalgae offer a tertiary biotreatment for wastewater, removing pollutants like nitrogen, phosphorus, and heavy metals. This sustainable approach yields valuable biomass and prevents secondary pollution, enhancing water quality.
Area of Science:
- Environmental Science
- Biotechnology
- Water Treatment Engineering
Background:
- Wastewater discharge, from domestic, agricultural, and industrial activities, causes significant organic and inorganic pollution.
- Conventional primary and secondary wastewater treatments remove settleable and organic materials but leave inorganic nitrogen, phosphorus, refractory organics, and heavy metals.
- These residual pollutants contribute to eutrophication and long-term environmental damage.
Purpose of the Study:
- To review the role of microalgae in tertiary wastewater treatment.
- To highlight microalgae's capacity for pollutant removal and biomass production.
- To present microalgae cultivation as a sustainable solution to wastewater management challenges.
Main Methods:
- Literature review on microalgae applications in wastewater treatment.
- Analysis of microalgae's biological capabilities for nutrient and heavy metal uptake.
- Evaluation of microalgae biomass as a valuable byproduct.
Main Results:
- Microalgae effectively utilize inorganic nitrogen and phosphorus for growth, facilitating tertiary treatment.
- Microalgae demonstrate capacity for removing heavy metals and toxic organic compounds from wastewater.
- Cultivating microalgae produces valuable biomass with potential for diverse applications.
Conclusions:
- Microalgae cultivation presents an elegant and effective tertiary biotreatment for wastewater.
- This method addresses limitations of conventional treatments by removing residual pollutants.
- Microalgae-based wastewater treatment offers a sustainable solution, preventing secondary pollution and generating useful biomass.
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