Application of a microalga, Scenedesmus obliquus PF3, for the biological removal of nitric oxide (NO) and carbon dioxide

Ma, Shen; Li, Da; Yu, Yanling; Li, Dianlin; Yadav, Ravi Shankar; Feng, Yujie

doi:10.1016/j.envpol.2019.05.084

Cited by 43 publications

(14 citation statements)

References 42 publications

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“…These values were greater than previous literature rates for S. obliquus biomass productivity with simulated emissions . The average maximum biomass productivities of the simulated flue gas and control experiments were 700 ± 40 and 510 ± 40 mg L –1 d –1 , respectively.…”

Section: Resultsmentioning

confidence: 99%

Using Simulated Flue Gas to Rapidly Grow Nutritious Microalgae with Enhanced Settleability

Molitor

Schnoor

2020

ACS Omega

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Favorable microalgal nutrition from waste resources and improved harvesting methods would offset costs for a process that could be scaled up to treat pollution and produce valuable animal feed in lieu of soy protein. Co-benefits include avoidance of carbon dioxide emissions, which may provide an additional revenue stream when carbon markets begin to flourish. To sustainably achieve these goals at scale, barriers to microalgal production such as tolerance for waste streams and dramatic improvement in dewatering and settleability of the microalgae must be overcome. Presently, it is largely assumed that nutritious microalgae, including Scenedesmus obliquus , would be inhibited by SO x and NO x in flue gases and settle slowly as discrete particles. Studies conducted with a 2 L photobioreactor, sparged with simulated coal-fired power plant flue gas, demonstrated that both biomass productivity and settling rates were increased. The average maximum biomass productivity was 700 ± 40 mg L –1 d –1 , which significantly exceeded that of the control culture (510 ± 40 mg L –1 d –1 ). Thirty-minute trials of modeled bulk settling showed rapid coagulation, likely facilitated by extracellular polymeric substances, and compaction when the cultures were grown with simulated emissions. Control cultures, not exposed to the additional toxicants in flue gas, settled as discrete particles and did not show any settling progress within 30 min. Of the SO 2 sparged into the cultivation system, (111 ± 4)% was captured as either SO 4 2– in the medium or fixed in the S. obliquus biomass. The stress of simulated-emissions exposure decreased the S. obliquus protein contents and altered the amino acid profiles but did not decrease the fraction of methionine, a valuable amino acid in animal feed.

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Section: Resultsmentioning

confidence: 99%

Using Simulated Flue Gas to Rapidly Grow Nutritious Microalgae with Enhanced Settleability

Molitor

Schnoor

2020

ACS Omega

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“…Nevertheless, commercial use of two growth conditions is challenged by high cost, availability of limited number of strains that can grow under these conditions, and microbial contamination (Chen et al 2019b ; Deng et al 2019 ; Tan et al 2020 ). Therefore, photoautotrophic photosynthesis is the only cultivation approach which is feasible for large-scale production of biomass due to low cost and simple technology requirement (Borowitzka 1997 ; Chen et al 2019a ; Ma et al 2019 ; Wu et al 2020 ). However, principal disadvantages of such approach are little control of culture conditions, low productivity, significant evaporative loss of water and the associated change in salt and nutrient concentration, poor diffusion of CO 2 , light limitation with the ageing of culture, expensive harvesting, use of a large non-fertile land area, susceptibility to contamination, and invasion by protozoan grazers (Borowitzka 1999 ; Brennan and Owende 2010 ; Ma et al 2019 ; Wu et al 2020 ).…”

Section: Biofuel Feedstocks Affect Food Energy and Environmentmentioning

confidence: 99%

“…Therefore, photoautotrophic photosynthesis is the only cultivation approach which is feasible for large-scale production of biomass due to low cost and simple technology requirement (Borowitzka 1997 ; Chen et al 2019a ; Ma et al 2019 ; Wu et al 2020 ). However, principal disadvantages of such approach are little control of culture conditions, low productivity, significant evaporative loss of water and the associated change in salt and nutrient concentration, poor diffusion of CO 2 , light limitation with the ageing of culture, expensive harvesting, use of a large non-fertile land area, susceptibility to contamination, and invasion by protozoan grazers (Borowitzka 1999 ; Brennan and Owende 2010 ; Ma et al 2019 ; Wu et al 2020 ). Therefore, only selected organisms having unique growth requirement can be grown successfully using this approach.…”

Section: Biofuel Feedstocks Affect Food Energy and Environmentmentioning

confidence: 99%

Roadmap to sustainable carbon-neutral energy and environment: can we cross the barrier of biomass productivity?

Maurya

Mondal

Kumar

et al. 2021

Environ Sci Pollut Res

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The total number of inhabitants on the Earth is estimated to cross a record number of 9 × 10 3 million by 2050 that present a unique challenge to provide energy and clean environment to every individual. The growth in population results in a change of land use, and greenhouse gas emission due to increased industrialization and transportation. Energy consumption affects the quality of the environment by adding carbon dioxide and other pollutants to the atmosphere. This leads to oceanic acidification and other environmental fluctuations due to global climate change. Concurrently, speedy utilization of known conventional fuel reservoirs causes a challenge to a sustainable supply of energy. Therefore, an alternate energy resource is required that can maintain the sustainability of energy and environment. Among different alternatives, energy production from high carbon dioxide capturing photosynthetic aquatic microbes is an emerging technology to clean environment and produce carbon-neutral energy from their hydrocarbon-rich biomass. However, economical challenges due to low biomass production still prevent the commercialization of bioenergy. In this work, we review the impact of fossil fuels burning, which is predominantly used to fulfill global energy demand, on the quality of the environment. We also assess the status of biofuel production and utilization and discuss its potential to clean the environment. The complications associated with biofuel manufacturing using photosynthetic microorganisms are discussed and directed evolution for targeted phenotypes and targeted delivery of nutrients are proposed as potential strategies to increase the biomass production.

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“…Carbon is the main nutrient in microalgal cells, and photoautotrophic microalgae can capture CO 2 from flue gases, which would help control the cost of culture. Ma et al (2019) isolated the microalga strain Scenedesmus obliquus PF3, which accumulated biomass when sprayed with 15% CO 2 or 500 ppm NO, highlighting its potential for biomass production using NO x and carbon from flue gas.…”

Section: Autotrophic Culturementioning

confidence: 99%

“…Ma et al. (2019) isolated the microalga strain Scenedesmus obliquus PF3, which accumulated biomass when sprayed with 15% CO 2 or 500 ppm NO, highlighting its potential for biomass production using NO x and carbon from flue gas.…”

Section: Current Progressmentioning

confidence: 99%

Microalgal biofuels in China: The past, progress and prospects

Chen

Wang²,

Wang

2020

GCB Bioenergy

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The increasing demand for fossil fuels and the climate change caused by burning those fuels have become serious global problems. Worldwide, countries have begun to implement energy strategies that include the development of renewable energy sources (Chen, Hu, et al., 2015; Chen, Qiu, et al., 2015). As the only energy source that can be used directly to produce fuels for transportation, biofuels are favored among the renewable energy sources available (e.g., biomass, solar, wind, geothermal, and tidal energy). In particular, microalgae represent a promising feedstock for biofuel production (Chen, Hu, et al., 2015; Chen, Qiu, et al., 2015). Photosynthesis of higher plants and microalgae plays critical roles in important physiological processes, such as lipids, sugars, and proteins biosynthesis (Ouyang et al., 2020; Zheng, Xue, Chen, He, & Wang, 2020). Microalgae are unicellular photosynthetic microorganisms that are used as sources of carbohydrates, pigments, food supplements, fertilizers, and biofuels (Fierro, Sánchez-Saavedra, & Copalcúa, 2008; Hemaiswarya, Raja, Kumar, Ganesan, & Anbazhagan, 2011). Due to their widespread availability and higher oil yields than conventional terrestrial plants (Lv, Cheng, Xu, Zhang, & Chen, 2010), microalgae have been investigated as a feedstock for biodiesel production since the 1970s (Zhan, Rong, & Wang, 2017). Microalgae grow more rapidly than plants and can be grown in non-arable lands

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Application of a microalga, Scenedesmus obliquus PF3, for the biological removal of nitric oxide (NO) and carbon dioxide

Cited by 43 publications

References 42 publications

Using Simulated Flue Gas to Rapidly Grow Nutritious Microalgae with Enhanced Settleability

Using Simulated Flue Gas to Rapidly Grow Nutritious Microalgae with Enhanced Settleability

Roadmap to sustainable carbon-neutral energy and environment: can we cross the barrier of biomass productivity?

Microalgal biofuels in China: The past, progress and prospects

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