Recent updates on ions and nutrients uptake by halotolerant freshwater and marine microalgae in conditions of high salinity

Zafar, Abdul Mannan; Javed, Muhammad Asad; Hassan, Ashraf Aly; Mehmood, Khalid; Sahle‐Demessie, Endalkachew

doi:10.1016/j.jwpe.2021.102382

Cited by 32 publications

(12 citation statements)

References 77 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The EC of reused medium for cordifolium also had an increasing trend from the beginning, although the plant growth appeared not good before the addition of micronutrients, indicating the lack of micronutrients probably did not influence its transpiration. Obviously, the EC of Hoagland medium for cordifolium showed a trend of going down around day 15, which might be attributed to the precipitation of mineral elements in an alkaline environment, resulting a decrease of ion concentration [20]. On day 42, the EC of Hoagland nutrient solution for cordifolium had a significant jump due to the addition of macronutrient elements.…”

Section: Resultsmentioning

confidence: 98%

The Feasibility Research on Reusing High Salinity Wastewater as a Plant Nutrient Medium for Plant Hydroponics in CELSS

et al. 2022

View full text Add to dashboard Cite

The reuse of wastewater is a key problem in controlled ecological life support system (CELSS). In this study, the feasibility to reuse the treated wastewater (including sanitary wastewater and urine wastewater) as a plant hydroponic medium was verified. Two salt-tolerant plants, apium graveolens Linn (celery) and mesembryanthemum cordifolium L.F. (cordifolium), were cultivated with the reused medium or Hoagland nutrient solution, and the characteristics of crop growth, hydroponic medium composition, and elements absorption by plants were investigated. The results showed that the reused medium replenished with micronutrient elements could maintain the normal growth of cordifolium and celery crops. The biomass productivity of cordifolium cultivated by the recycled medium (121.53 g FW/strain) was higher than that cultivated by Hoagland nutrient solution (98.33 g FW/strain). The nutrient elements accumulation in plant dry mass indicated that plants could effectively utilize the recycled mineral elements in wastewater, and cordifolium exhibited better stability and adaptability to salt-induced environment. The absorption capacity of Na and Cl elements in cordifolium cultivated within the reused medium was the highest, which was 4.54% DW and 2.63% DW, respectively. This study demonstrated the feasibility to directly reuse domestic wastewater as the main ingredient for plant hydroponics, which could provide insights into design and operation of plant hydroponics system and water circulation system in CELSS.

show abstract

Section: Resultsmentioning

confidence: 98%

The Feasibility Research on Reusing High Salinity Wastewater as a Plant Nutrient Medium for Plant Hydroponics in CELSS

et al. 2022

View full text Add to dashboard Cite

show abstract

“…In a leaching solution from BOF slag with a solid/liquid ratio of 0.1 g/L, there was not enough Ca (2.64 mg/L) and Mg (0.02 mg/L) to promote lipid synthesis in microalgae. Microalgae cells had a great demand for adenosine triphosphate (ATP) in a high alkaline environment, [30] so it was not conducive to the accumulation of lipids at >0.1 g/L BOF slag added. The lipid content of these three metallurgical slag did not significantly improve due to the following reasons: (i) The pH in leaching solutions from these three metallurgical slag did not significantly improve the lipid content of C. pyrenoidosa, and Brindhadevi et al [31] Studied the cultivation of C. sorokiniana in the pH range of 8~9, with a lipid content of 21.8%.…”

Section: Effect On Carbon Fixation Of C Pyrenoidosa From Metallurgica...mentioning

confidence: 99%

Metallurgical slag used for efficient growth of Chlorella pyrenoidosa to achieve CO₂ conversion to biodiesel

Guo,

Wang,

Liu

et al. 2024

Carbon Neutralization

View full text Add to dashboard Cite

Metallurgical slag such as solid waste generated in the steel industry carries environmental pollution risks, but it is rich in nutrients required by microalgae. Metallurgical slag used for carbon capture and biomass energy conversion has multiple benefits: (i) reduction and harmless treatment of metallurgical solid waste, (ii) assisting in carbon neutrality by efficient carbon fixation, and (iii) production of biodiesel from CO2. In this study, AOD, BOF, BFS, HVS, and VTS slag were applied to culture Chlorella pyrenoidosa (C. pyrenoidosa) with the regulation of growth, carbon fixation, and lipid synthesis. An excellent fixed amount of CO2 with 94.59 mg is obtained from C. pyrenoidosa biomass at BOF slag added (mass ratio of CO2 captured/microalgae/slag with 1.99/1.00/10.53) since high Ca/Mg mass ratio of 419 (8.38 mg/L Ca and 0.02 mg/L Mg), no Cr and low concentration of Al (0.04 mg/L) contribute to regulating antioxidant enzyme activity (SOD and POD) to resist ROS and improving PEPC activity to reduce carbon flux toward lipid to promote biomass synthesis. Both metal concentrations from Ca (5.86 mg/L), Mg (0.05 mg/L), Al (0.42 mg/L), and Cr (0.006 mg/L) and suitable pH (10.53) in AOD leaching solution at solid/liquid ratio of 0.5 g/L change carbon flow toward efficient lipid synthesis (47.07 wt%) by continuously providing raw materials and energy by regulating ACC, ME, and PEPC activities. High value‐added biodiesel with high concentrations of C16 and C18 methyl esters from lipid of C. pyrenoidosa is achieved, following other ecological and economic benefits including 197 mg CO2 captured and 2198 mg AOD applied with harmless. In this study, C. pyrenoidosa is cultured with elements from metallurgical slag solid waste, which promotes C. pyrenoidosa efficient carbon fixation to assist in carbon neutrality, and provides guidance for CO2 conversion to high‐value‐added products with low cost.

show abstract

“…High salinity impacts the fluidity and permeability of the microalgal cell membrane, under which the entry and exit of ions can be regulated through the cell membrane, and the accumulation of osmoprotective solutes as well as stress proteins becomes active. Salinity affects the cell structure and metabolic functions of microalgae and promotes the accumulation of lipid in microalgae (Zafar et al, 2021).…”

Section: Salinitymentioning

confidence: 99%

“…Culturing microalgae under salinity stress can prevent contamination by pollutants and competition by invasive species and other microorganisms (Chen et al, 2022). However, very high salinity can inhibit the growth and change the morphology of microalgae cell (Zafar et al, 2021). Therefore, an ideal salinity range must be determined.…”

Section: Salinity Stressmentioning

confidence: 99%

A review on biodiesel production from microalgae: Influencing parameters and recent advanced technologies

Zhang

et al. 2022

Front. Microbiol.

View full text Add to dashboard Cite

Microalgae are the important part of carbon cycle in the nature, and they could utilize the carbon resource in water and soil efficiently. The abilities of microalgae to mitigate CO2 emission and produce oil with a high productivity have been proven. Hence, this third-generation biodiesel should be popularized. This review firstly introduce the basic characteristics and application fields of microalgae. Then, the influencing parameters and recent advanced technologies for the microalgae biodiesel production have been discussed. In influencing parameters for biodiesel production section, the factors of microalgae cultivation, lipid accumulation, microalgae harvesting, and lipid extraction have been summarized. In recent advanced technologies for biodiesel production section, the microalgae cultivation systems, lipid induction technologies, microalgae harvesting technologies, and lipid extraction technologies have been reviewed. This review aims to provide useful information to help future development of efficient and commercially viable technology for microalgae-based biodiesel production.

show abstract

Recent updates on ions and nutrients uptake by halotolerant freshwater and marine microalgae in conditions of high salinity

Cited by 32 publications

References 77 publications

The Feasibility Research on Reusing High Salinity Wastewater as a Plant Nutrient Medium for Plant Hydroponics in CELSS

The Feasibility Research on Reusing High Salinity Wastewater as a Plant Nutrient Medium for Plant Hydroponics in CELSS

Metallurgical slag used for efficient growth of Chlorella pyrenoidosa to achieve CO₂ conversion to biodiesel

A review on biodiesel production from microalgae: Influencing parameters and recent advanced technologies

Contact Info

Product

Resources

About

Recent updates on ions and nutrients uptake by halotolerant freshwater and marine microalgae in conditions of high salinity

Cited by 32 publications

References 77 publications

The Feasibility Research on Reusing High Salinity Wastewater as a Plant Nutrient Medium for Plant Hydroponics in CELSS

The Feasibility Research on Reusing High Salinity Wastewater as a Plant Nutrient Medium for Plant Hydroponics in CELSS

Metallurgical slag used for efficient growth of Chlorella pyrenoidosa to achieve CO2 conversion to biodiesel

A review on biodiesel production from microalgae: Influencing parameters and recent advanced technologies

Contact Info

Product

Resources

About

Metallurgical slag used for efficient growth of Chlorella pyrenoidosa to achieve CO₂ conversion to biodiesel