Screening of the dominant Chlorella pyrenoidosa for biofilm attached culture and feed production while treating swine wastewater

Cheng, Pengfei; Chu, Ruirui; Zhang, Xuezhi; Song, Lirong; Chen, Dongjie; Zhou, Chengxu; Yan, Xiaojun; Cheng, Jay J.; Ruan, Roger

doi:10.1016/j.biortech.2020.124054

Cited by 48 publications

(23 citation statements)

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…57 In this case, the concentrations of residual nutrients, NH 3 -N, COD and TP, in treated wastewater (8-day treatment by algal biofilm) were 102.93, 97.21 and 11.62 mg L −1 , respectively. 57 Accordingly, the treated wastewater could not be directly discharged or reused. One of the main reasons for this challenge is that microorganisms, including microalgae and bacteria, on biofilm could not fully degrade the solid organics in wastewater.…”

Section: Nutrient Removalmentioning

confidence: 74%

“…57 Besides, amino acids in the proteins of Chlorella pyrenoidosa grown on biofilm contained 21.73% essential amino acids. 57 In the study of Thanh-Tri et al, Haematococcus pluvialis with high content of astaxanthin was immobilized on a twin-layer porous substrate photobioreactor (TL-PSBR). Thus the biofilm system produced astaxanthin-rich biomass (astaxanthin content: 2-3% of dry weight).…”

Section: Potential Solutionsmentioning

confidence: 99%

“…Cheng et al compared 12 algal strains belonging to three phyla -Cyanophyta, Chlorophyta and Euglenophytaand found that Chlorella pyrenoidosa could efficiently remove nutrients in swine wastewater and produce algal biomass on biofilm. 57 Orandi et al isolated a microbial consortium dominated by microalga Ulothrix sp. from acid mine drainage and used this consortium to construct algal biofilm for wastewater remediation.…”

Section: Algal Strainmentioning

confidence: 99%

“…For example, Cheng et al and Orandi et al used different algal strains to construct biofilms for the removal of organics and heavy metals in wastewater. 57,58 Fourthly, the algal strains selected for biofilm construction should meet the actual requirement of downstream industry since the utilization of harvested biomass partly determines the economic value of algal biofilms.…”

Section: Algal Strainmentioning

confidence: 99%

See 3 more Smart Citations

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

Liao

et al. 2021

J of Chemical Tech & Biotech

View full text Add to dashboard Cite

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.

show abstract

Section: Nutrient Removalmentioning

confidence: 74%

Section: Potential Solutionsmentioning

confidence: 99%

Section: Algal Strainmentioning

confidence: 99%

Section: Algal Strainmentioning

confidence: 99%

See 2 more Smart Citations

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

Liao

et al. 2021

J of Chemical Tech & Biotech

View full text Add to dashboard Cite

show abstract

“…Over the last 20 years, several strains of algae and cyanobacteria have been isolated and studied for their capacity to produce biofuels; however, strains possess an inherent capacity for synthesizing and storing suitable levels of lipids and carbohydrates. Strains from the genera Spirulina (Arthorspira) [13], Botryococcus [14,15], Chlamydomonas [16,17], Chlorella [18][19][20][21][22][23][24][25][26][27], Nannochloropsis [28][29][30][31][32], Scenedesmus [28,[33][34][35], and Tetraselmis [36][37][38].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Algae-Based Biodiesel Production Topologies via Inherent Safety Index (ISI)

2021

View full text Add to dashboard Cite

Increasing energy needs have led to soaring fossil fuel consumption, which has caused several environmental problems. These environmental aspects along with the energy demand have motivated the search for new energy systems. In this context, biofuels such as biodiesel have been developing into a substitute for conventional fuels. Microalgae are considered a promising option for biodiesel production due to their high lipid content. Therefore, it is important to analyze the technical aspects of the biodiesel production system. In this work, the inherent safety analysis of three emerging topologies for biodiesel production from microalgae was performed using the inherent safety index (ISI) methodology. Selected topologies include biodiesel production via lipid extraction and transesterification, in-situ transesterification, and hydrothermal liquefaction (HTL). The results revealed that the processes are inherently unsafe achieving total inherent safety index scores of 30, 29, and 36. The main risks in the cases were associated with the chemical safety index. Operating conditions represented no risk for topologies 1 and 2, while for topology 3 pressure and temperature were identified as critical variables. In general, topology 2 showed better performance from a safety perspective.

show abstract

Strong Alliance of Microalgae and Bacteria: The State-of-the-Art Review and Future Prospects of Utilizing Microalgae-Bacteria Consortia for Comprehensive Treatment of Swine Wastewater

Wang,

Hu,

Hong

2024

Curr Pollution Rep

View full text Add to dashboard Cite

Screening of the dominant Chlorella pyrenoidosa for biofilm attached culture and feed production while treating swine wastewater

Cited by 48 publications

References 45 publications

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

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

Evaluation of Algae-Based Biodiesel Production Topologies via Inherent Safety Index (ISI)

Strong Alliance of Microalgae and Bacteria: The State-of-the-Art Review and Future Prospects of Utilizing Microalgae-Bacteria Consortia for Comprehensive Treatment of Swine Wastewater

Contact Info

Product

Resources

About