Nutrient removal and biodiesel feedstock potential of green alga UHCC00027 grown in municipal wastewater under Nordic conditions

Jämsä, Mikael; Lynch, Fiona; Santana‐Sánchez, Anita; Laaksonen, Petteri; Zaitsev, Gennadi; Solovchenko, Alexei; Allahverdiyeva, Yagut

doi:10.1016/j.algal.2017.06.019

Cited by 41 publications

(13 citation statements)

References 43 publications

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“…Microalgae isolated from fresh water sources (rivers, lakes, sewage treatment plants) have mostly been investigated for wastewater treatment, but also for biomass accumulation and lipid production. Locally isolated microalgae and even microalgae‐bacteria consortia have been used with success at laboratory scale for removal of nitrate and phosphorus from wastewater and for production of biomass and lipids (Table , Lynch et al , Jämsä et al , Ferro et al , b). The ‘indigenous’ species with best performance in wastewater belong to green algae, whereof Scenedesmus , Desmodesmus and Chlorella are among the most successful species.…”

Section: Exploring and Exploiting The Natural Diversity Of Microalgaementioning

confidence: 99%

“…In Finland, screening of locally isolated strains of cyanobacteria and eukaryotic microalgae for growth and lipid production in municipal wastewater (Lynch et al ) identified a strain belonging to the Scenedesmaceae family (UHCC0027) as the best producer of biomass and lipids. The potential of this strain to grow under the Nordic climate was further investigated by Jämsä et al (). Nitrogen removal from the waste‐water was strongly influenced by temperature, while phosphorus removal was improved by modifying the N:P ratio.…”

Section: Exploring and Exploiting The Natural Diversity Of Microalgaementioning

confidence: 99%

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Microalgae biotechnology in Nordic countries – the potential of local strains

Cheregi

Ekendahl

Engelbrektsson

et al. 2019

Physiologia Plantarum

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Climate change, energy use and food security are the main challenges that our society is facing nowadays. Biofuels and feedstock from microalgae can be part of the solution if high and continuous production is to be ensured. This could be attained in year‐round, low cost, outdoor cultivation systems using strains that are not only champion producers of desired compounds but also have robust growth in a dynamic climate. Using microalgae strains adapted to the local conditions may be advantageous particularly in Nordic countries. Here, we review the current status of laboratory and outdoor‐scale cultivation in Nordic conditions of local strains for biofuel, high‐value compounds and water remediation. Strains suitable for biotechnological purposes were identified from the large and diverse pool represented by saline (NE Atlantic Ocean), brackish (Baltic Sea) and fresh water (lakes and rivers) sources. Energy‐efficient annual rotation for cultivation of strains well adapted to Nordic climate has the potential to provide high biomass yields for biotechnological purposes.

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Section: Exploring and Exploiting The Natural Diversity Of Microalgaementioning

confidence: 99%

Section: Exploring and Exploiting The Natural Diversity Of Microalgaementioning

confidence: 99%

Microalgae biotechnology in Nordic countries – the potential of local strains

Cheregi

Ekendahl

Engelbrektsson

et al. 2019

Physiologia Plantarum

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“…Nordic strains were proven to be well suited to wastewater treatment, nutrient uptake and valuable biomass accumulation, and successful pilot scale studies have been performed. Besides strains from the culture collection (Ferro et al, 2020), indigenous algal-bacterial consortiums have also been evaluated for their ability to remove nutrients from wastewater at laboratory and pilot scale (Jämsä et al 2017, Ferro et al, 2018. Analyzing the diversity of microbial communities and their seasonal dynamics throughout the growth period in a pilot-scale open pond using metabarcoding of 16S and 18S rRNAs revealed the fitness advantage of natural strains compared to non-native culture collection strains (Ferro et al, 2020).…”

Section: Wastewater Treatment By Microalgae and Cyanobacteriamentioning

confidence: 99%

NordAqua, a Nordic Center of Excellence to develop an algae‐based photosynthetic production platform

Allahverdiyeva

Aro

Bavel

et al. 2021

Physiologia Plantarum

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NordAqua is a multidisciplinary Nordic Center of Excellence funded by NordForsk Bioeconomy program (2017)(2018)(2019)(2020)(2021)(2022). The research center promotes Blue Bioeconomy and endeavours to reform the use of natural resources in a environmentally sustainable way. In this short communication, we summarize particular outcomes of the consortium. The key research progress of NordAqua includes (1) improving of photosynthetisis, (2) developing novel photosynthetic cell factories that function in a "solar-driven direct CO 2 capture to target bioproducts" mode, (3) promoting the diversity of Nordic cyanobacteria and algae as an abundant and resilient alternative for less sustainable forest biomass and for innovative production of biochemicals, and (4) improving the bio-based wastewater purification and nutrient recycling technologies to provide new tools for integrative circular economy platforms.A rapid replacement of carbon-intensive infrastructures with net-zero carbon alternatives is vital for mitigation of the climate crisis. Current bioeconomy approaches have been focused mainly on the replacement of fossil raw materials for bio-based commodities. To this end, Nordic countries have largely invested in wood biomass which, for a number of reasons, cannot be considered sustainable or sufficiently available to effectuate a major change. The NordAqua research center has taken a different approach and focuses on aquatic photosynthetic

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“…On the 14 th day, absorption of light was 1.2 wt/cm 2 . The amount of energy reaching the base of photocavity reactor was calculated usingexcremental set up given in figure 1 and formulas [26]: Absorption factor (AF) calculated based on LED emission…”

Section: Estimation Of Light Absorbed By Photocavity Reactormentioning

confidence: 99%

“…The stainless steel reactor used in this study measured a working volume of 200 ml (10 cm ID, 7 cm height, 2 mm thickness) ( Wastewater analysis like COD, total nitrogen, phosphate and bacterial load (Colony Forming Unit-CFU) was determined according to the protocol of Jämsä et al, [26].…”

Section: 3photocavity Bioreactor and Microalgae Growthmentioning

confidence: 99%

Enhancing algal biomass production and nutrients removal from municipal wastewater via a novel mini photocavity bioreactor

2020

Biointerface Res Appl Chem

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This study presents the use of a novel photocavity reactor in order to intensify the growth rate, biomass and lipid productivity in microalgae. The reactor offers an aseptic approach for better control on growth rate in microalgae.The Absorption Factor (AF), Attenuation Factor (AtF), Modified Fluence Rate (MFR) and water factor of the photo reactor were recorded to be 1.581, 0.267, 0.347 mW/cm 2 and 2.072 respectively. The maximum growth rate recorded was 310 mg L −1 inphotocavity reactor. The results clearly indicate that using the stainless steel visible photoreactor can lead to a significant increase in the growth rate (43.3%), productivity of biomass (27-33%) and lipid content (6-8%) in comparison to microalgae cultivated in glass conical flasks (control). COD, total nitrogen, phosphate and bacterial load (colony-forming unit-CFU) were determined in this study. A decrease in COD (180 to 19 mg/l) and CFU (57×10 9 to 5×10 1 ) of wastewater was also recorded in this study.

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Nutrient removal and biodiesel feedstock potential of green alga UHCC00027 grown in municipal wastewater under Nordic conditions

Cited by 41 publications

References 43 publications

Microalgae biotechnology in Nordic countries – the potential of local strains

Microalgae biotechnology in Nordic countries – the potential of local strains

NordAqua, a Nordic Center of Excellence to develop an algae‐based photosynthetic production platform

Enhancing algal biomass production and nutrients removal from municipal wastewater via a novel mini photocavity bioreactor

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