Modeling and improving arrayed microalgal biofilm attached culture system

Huang, Jianke; Chu, Ruirui; Chang, Ting; Cheng, Pengfei; Jiang, Jingshun; Yao, Ting; Zhou, Chengxu; Liu, Tianzhong; Ruan, Roger

doi:10.1016/j.biortech.2021.124931

Cited by 4 publications

(7 citation statements)

References 49 publications

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“…Specific illumination parameters mainly include light dilution rate, light wavelength and light intensity. 30,31 In addition, illumination also influences the abundance of microbial species on the biofilm. In the study by Chaiwong et al, dominant algal species on biofilm under blue light and red light were Chlorococcum sp.…”

Section: Operational Factorsmentioning

confidence: 99%

“…wileyonlinelibrary.com/jctb Like the suspended microalgae, attached microalgae are impacted by a variety of physical factors, such as illumination and temperature, in the removal of nutrients. 30,67,68 Based on the modeling analysis, Tenore et al stated that light is confirmed as the most significant factor in the ecology of phototrophicheterotrophic biofilms. 68 In the study of Chaiwong et al, algal biofilms operated under red light and blue light removed different contents of nutrients in wastewater.…”

Section: Nutrient Removal By Algal Biofilmmentioning

confidence: 99%

“…33 In addition, light intensity and light-dark cycle could influence the content of algal biomass, which further determine the performance of biofilm in nutrient removal. 30 Not only physical factors, but also algal-bacterial interactions could impact the biofilm-based wastewater remediation. 69 Katam et al found that algal-bacterial cooperation is beneficial to carbon and nutrient removal by algal biofilm in domestic wastewater.…”

Section: Nutrient Removal By Algal Biofilmmentioning

confidence: 99%

“…Illumination, which directly impacts the algal photosynthesis, is of importance to the biomass productivity on biofilm. Specific illumination parameters mainly include light dilution rate, light wavelength and light intensity 30,31 . In addition, illumination also influences the abundance of microbial species on the biofilm.…”

Section: Factors Impacting Microalgal Biofilm Formationmentioning

confidence: 99%

“…Like the suspended microalgae, attached microalgae are impacted by a variety of physical factors, such as illumination and temperature, in the removal of nutrients 30,67,68 . Based on the modeling analysis, Tenore et al .…”

Section: Performance Of Algal Biofilm In Wastewater Remediationmentioning

confidence: 99%

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Development of microalgal biofilm for wastewater remediation: from mechanism to practical application

Liao

et al. 2021

J of Chemical Tech & Biotech

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The high cost of biomass harvesting by centrifugation and high safety risks of collected algal biomass by chemical flocculation are serious problems jeopardizing the industrial implementation of microalgae bio-products. Recently, microalgae immobilization is regarded as a promising technology with the potential of lowering biomass production cost and ensuring biomass safety in the industry. Therefore, microalgal biofilms, an effective and affordable way to immobilize algal cells, are emerging into the limelight. This paper summarizes the progress achieved in biofilm system design and biofilm formation mechanisms. Newly designed algal biofilm systems are compared to demonstrate their advantages and weaknesses. Besides, mechanisms associated with the two steps -initial attachment of microalgae and biofilm thickeningof biofilm formation are discussed in this paper. Factors such as substratum material, algal strain and operational parameters, which could impact the formation and operation of algal biofilm, are demonstrated. Efforts devoted to the industrial application of algal biofilm to treat wastewater are discussed. The biotechnology of microalgal biofilm is currently at the critical stage of developing from fundamental research to industrial implementation. Undeniably, there are still many problems that limit the wide use of algal biofilm for biomass production and wastewater treatment. In this paper, we present some potential solutions to current problems and discuss the development trends of algal biofilm in the foreseeable future. It is expected that by addressing current problems microalgal biofilm will be widely used at the industrial scale.

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Section: Operational Factorsmentioning

confidence: 99%