Microalgae cultivation for sustainable biofuel production

Chua, Sze Yu; Cheng, Yoke Wang; Lam, Man Kee; Dasan, Yaleeni Kanna; Kadir, Wan Nadiah Amalina; Rosli, Siti-Suhailah; Lim, Jun Wei; Tan, Inn Shi; Lim, Steven

doi:10.1016/b978-0-12-824388-6.00006-3

Cited by 7 publications

(3 citation statements)

References 44 publications

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“…Attached growth is more effective in treating certain pollutants but more susceptible to clogging and requires frequent maintenance. The choice between suspended-growth and attached-growth systems depends on several factors, including the type and concentration of pollutants, the available space and resources, and the desired treatment efficiency and effectiveness [11,14,15].…”

Section: Introductionmentioning

confidence: 99%

A Review of Rotating Biological Contactors for Wastewater Treatment

Waqas

Harun

Sambudi

et al. 2023

Water

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A rotating biological contactor (RBC) is a type of attached-growth biological wastewater treatment system and a widely used biological wastewater treatment technology. It employs a series of rotating discs to support microbial growth and promote the removal of pollutants from wastewater. RBC is widely recognized for its simplicity of design, high reliability, and low energy consumption. It has been used in various applications, from small-scale decentralized systems to large municipal wastewater treatment plants. The current review provides an overview of RBC bioreactors, design parameters, and the factors that influence biological performance, such as hydraulic retention time, sludge retention time, organic loading rate, disc rotational speed, and temperature. The review also highlights the advantages and disadvantages of RBCs compared with other wastewater treatment technologies and discusses their role in sustainable environmental performance. The future prospects of RBC are also discussed, including integration with other technologies, such as membrane filtration and potential use in resource recovery. The review explores the application of RBC in decentralized wastewater treatment and the potential to provide sustainable solutions for wastewater management in rural and remote areas. Overall, RBC remains a promising option for effective and efficient wastewater treatment, particularly in situations where simplicity, reliability, and low energy consumption are desired.

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Section: Introductionmentioning

confidence: 99%

A Review of Rotating Biological Contactors for Wastewater Treatment

Waqas

Harun

Sambudi

et al. 2023

Water

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“…The development of microalgae depends on the choice of the development system [16] . There are two microalgae development systems, an open system (open pond) and a closed system (photobioreactor) [17] . In a laboratory scale, the method commonly used by researchers uses 3 culture techniques, namely static, semi-continuous and continuous culture.…”

Section: Introductionmentioning

confidence: 99%

The effect of flow rates and composition of culture medium in Chlorella Pyrenoidosa cultivation by CO₂ injection method

Widayat

Hawari

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Carbon dioxide emission is one of the main causes of global warming, which is caused by the evolution of the atmosphere from a mixture of gases originating from the interior of the earth. To overcome the problem of CO2 gas emissions, efforts have been made to reduce CO2 emissions by capturing CO2 with the Carbon Capture Storage (CCS) method, which aims to reduce carbon emissions released into the atmosphere. Biological CO2 capture generally uses microalgae cultivation. Previous research has used an open pond development system, with varied types of microalgae. In this study, CO2 capture was carried out using microalgae species Chlorella pyrenoidosa in a photobioreactor (PBR). This study results an optimum biomass productivity for Chlorella pyrenoidosa, the variation of NaHCO3 0 ppm is 4.090 g. l−1. d−1 on day 7, followed by variation of flow rate is is 2.844 g. l−1. d−1 on day 7. Suggestions for further research is to calculate the optimal cost incurred at the optimal CO2 concentration that can be captured by microalgae and the resulting increase in the value of the biomass microalgae that can be produced so that the use of microalgae can carried out comprehensively.

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“…Choosing a development system of microalgae can affect the bio-fixation process and results of microalgae biomass productivity (Merlo et al, 2021). In most cases, microalgae can be cultivated in an open system such as open pond, or using a closed system such as photobioreactor (PBR) (Chua et al, 2022). Closed photobioreactor system has more advantages because of the more controllable of the environment as well as temperature, intensity of light, and nutrient composition (Assunção and Malcata, 2020).…”

Section: Introductionmentioning

confidence: 99%

The Effect of NaHCO3 and Mg2+ Addition in Haematococcus pluvialis Cultivation by Carbon Injection Method

Widayat

Maharani

Aroli

et al. 2022

J. Bioresour. Environ. Sci.

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The emission of carbon dioxide has been continuously rising year by year. Many efforts that have been used with aim of climate recovery, such as capturing CO2 with the Carbon Capture Storage (CCS) method, which is the CCS technology is one of the effective tactics for reducing carbon emissions by utilizing energy from biomass of microalgae. This research will discuss about carbon capture using microalgae Haematococcus pluvialis in a lab scale photobioreactor (PBR), and resulting the optimum biomass productivity for Haematococcus pluvialis has occurred in the H2 variable (50 ppm Mg2+). This happens because of addition of Mg ions above 50 ppm can decrease the yield of biomass productivity, since Haematococcus pluvialis cannot live in high salinity concentrations. Further research should make a calculation of optimal cost incurred at the optimal carbon concentration that can be captured by microalgae, also the results of increasing value of the microalgae biomass produced for the comprehensive use of the microalgae.

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Microalgae cultivation for sustainable biofuel production

Cited by 7 publications

References 44 publications

A Review of Rotating Biological Contactors for Wastewater Treatment

A Review of Rotating Biological Contactors for Wastewater Treatment

The effect of flow rates and composition of culture medium in Chlorella Pyrenoidosa cultivation by CO₂ injection method

The Effect of NaHCO3 and Mg2+ Addition in Haematococcus pluvialis Cultivation by Carbon Injection Method

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Microalgae cultivation for sustainable biofuel production

Cited by 7 publications

References 44 publications

A Review of Rotating Biological Contactors for Wastewater Treatment

A Review of Rotating Biological Contactors for Wastewater Treatment

The effect of flow rates and composition of culture medium in Chlorella Pyrenoidosa cultivation by CO2 injection method

The Effect of NaHCO3 and Mg2+ Addition in Haematococcus pluvialis Cultivation by Carbon Injection Method

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The effect of flow rates and composition of culture medium in Chlorella Pyrenoidosa cultivation by CO₂ injection method