EXPERIMENTAL DISPOSAL STUDIES MICROWEEDS OF WASTE WATER AND WATER PHASE AFTER THEIR HYDROTHERMAL LIQUIDATION

2020 ◽  
Author(s):  
N.I. Chernova ◽  
Keyword(s):  
Waste Water ◽  
Chlorella Vulgaris ◽  
Arthrospira Platensis ◽  
Water Phase ◽  
Chlorella Ellipsoidea ◽  
Galdieria Sulphuraria

Микроводоросли (МКВ) рассматриваются как нетрадиционное возобновляемое сырье, трансформируемое в удобные виды биотоплива (биодизель, биоэтанол, биобутанол, бионефть и др.). Представленная работа посвящена утилизации микроводорослями питательных веществ из сточных вод и из побочного водного раствора, образующегося после гидротермального сжижения (HTL) биомассы МКВ. Выращивание МКВ на сточных водах и на побочном водном растворе от HTL обеспечивает: 1) минимизацию использования пресной воды; 2) снижение затрат на питательные вещества для получения биомассы; 3) очистку сточных вод и водного раствора после HTL от соединений азота и фосфора, легкорастворимой органики и других биогенных элементов и тяжелых металлов; 4) получение более дешевой водорослевой биомассы в качестве сырья для биотоплива. Проведен скрининг микроводорослей из коллекции НИЛ ВИЭ МГУ, способных эффективно расти на сточных водах (Arthrospira platensis rsemsu Р (Bios), Chlorella ellipsoidea rsemsu Chlel), и в разбавленной водной фазе после HTL (Arthrospira platensis rsemsu Р (Bios), Galdieria sulphuraria rsemsu G-1, Chlorella vulgaris rsemsu Chv-20/11-Ps). В статье показана экспериментально достигнутая степень использования питательных веществ микроводорослями из сточных вод и HTL-водной фазы. Из биомассы артроспиры, выращенной на сточных водах, была получена совместно с сотрудниками ОИВТ РАН технологией HTL бионефть Выход бионефти составил 34-46% от сухого веса биомассы, а величина теплоты сгорания - 33,4 МДж/кг. Был изучен фракционный и химический состав бионефти. Бионефть из МКВ с большим содержанием липидов и углеводов была близка к традиционной ископаемой нефти.

scholarly journals Evaluation of Galdieria sulphuraria and Chlorella vulgaris for the Bioremediation of Produced Water

Water ◽  
2021 ◽  
Vol 13 (9) ◽  
pp. 1183
Author(s):  
Ashiqur Rahman ◽  
Shanglei Pan ◽  
Cymone Houston ◽  
Thinesh Selvaratnam
Keyword(s):  
Chlorella Vulgaris ◽  
Oil And Gas ◽  
Produced Water ◽  
Algal Growth ◽  
Oil And Gas Industry ◽  
Galdieria Sulphuraria ◽  
Biomass Density ◽  
Traditional Treatment ◽  
Gas Industry ◽  
Chemical Contaminants

Produced water (PW) is the largest waste stream generated by the oil and gas industry. Traditional treatment of PW burdens the industry with significant expenses and environmental issues. Alternatively, microalgal-based bioremediation of PW is often viewed as an ecologically safe and sustainable platform for treating PW. Moreover, the nutrients in PW could support algal growth. However, significant dilution of PW is often required in algal-based systems due to the presence of complex chemical contaminants. In light of these facts, the current work has investigated the potential of cultivating Galdieria sulphuraria and Chlorella vulgaris in PW using multiple dilutions; 0% PW, 5% PW, 10% PW, 20% PW, 50% PW and 100% PW. While both algal strains can grow in PW, the current results indicated that G. sulphuraria has a higher potential of growth in up to 50% PW (total dissolved solids of up to 55 g L−1) with a growth rate of 0.72 ± 0.05 g L−1 d−1 and can achieve a final biomass density of 4.28 ± 0.16 g L−1 in seven days without the need for additional micronutrients. Additionally, the algae showed the potential of removing 99.6 ± 0.2% nitrogen and 74.2 ± 8.5% phosphorus from the PW.

Chlorella vulgaris and Arthrospira platensis growth in a continuous membrane photobioreactor using industrial winery wastewater

2021 ◽  
Vol 60 ◽  
pp. 102519
Author(s):  
Elena Spennati ◽  
Shabnam Mirizadeh ◽  
Alessandro A. Casazza ◽  
Carlo Solisio ◽  
Attilio Converti
Keyword(s):  
Chlorella Vulgaris ◽  
Arthrospira Platensis ◽  
Winery Wastewater

Effects of Chlorella vulgaris and Arthrospira platensis addition on viability of probiotic bacteria in yogurt and its biochemical properties

2012 ◽  
Vol 235 (4) ◽  
pp. 719-728 ◽  
Author(s):  
Hannane Beheshtipour ◽  
Amir Mohammad Mortazavian ◽  
Parivash Haratian ◽  
Kianoosh Khosravi Darani
Keyword(s):  
Chlorella Vulgaris ◽  
Arthrospira Platensis ◽  
Biochemical Properties ◽  
Probiotic Bacteria

Investigation of nutraceutical potential of the microalgae Chlorella vulgaris and Arthrospira platensis

2019 ◽  
Vol 55 (1) ◽  
pp. 303-312 ◽  
Author(s):  
Joana Matos ◽  
Carlos L. Cardoso ◽  
Pedro Falé ◽  
Cláudia M. Afonso ◽  
Narcisa M. Bandarra
Keyword(s):  
Chlorella Vulgaris ◽  
Arthrospira Platensis

Effect of Microalgae (Arthrospira platensis and Chlorella vulgaris) Addition on 3D Printed Cookies

2020 ◽  
Author(s):  
Zaida Natalia Uribe-Wandurraga ◽  
Marta Igual ◽  
Javier Reino-Moyón ◽  
Purificación García-Segovia ◽  
Javier Martínez-Monzó
Keyword(s):  
Chlorella Vulgaris ◽  
Arthrospira Platensis ◽  
3D Printed

Exploration of using stripped ammonia and ash from poultry litter for the cultivation of the cyanobacterium Arthrospira platensis and the green microalga Chlorella vulgaris

2015 ◽  
Vol 196 ◽  
pp. 459-468 ◽  
Author(s):  
Giorgos Markou ◽  
Dimitris Iconomou ◽  
Theodore Sotiroudis ◽  
Cleanthes Israilides ◽  
Koenraad Muylaert
Keyword(s):  
Chlorella Vulgaris ◽  
Poultry Litter ◽  
Arthrospira Platensis ◽  
Green Microalga

The effects of Bentagran on the development and antioxidant parameters of Arthrospira platensis Gomont and Chlorella vulgaris Beyerinck (Beijerinck)

2021 ◽  
Vol 57 ◽  
pp. 11
Author(s):  
Şükrüye ER ◽  
Hatice Tunca ◽  
Ali Doğru ◽  
Tuğba Ongun Sevindik
Keyword(s):  
Chlorella Vulgaris ◽  
Reductase Activity ◽  
Biomass Accumulation ◽  
Arthrospira Platensis ◽  
Dependent Manner ◽  
Sod Activity ◽  
Antioxidant Parameters ◽  
Glutathione Reductase Activity ◽  
Significant Change ◽  
Oxidative Effects

The aim of the study is to determine the effects of Bentagran on growth and oxidative effects to Chlorella vulgaris and Arthrospira platensis and to evaluate the herbicide toxicity on primary producers of aquatic ecosystems. The decrease in both biomass accumulation and chlorophyll-a content in a dose-dependent manner were observed in both organisms exposed to different Bentagran concentrations (for C. vulgaris 60–960 µg mL−1; for A. platensis 100–800 µg mL−1) during 7 days. SOD activity increases significantly in Chlorella vulgaris and Arthrospira platensis at concentrations of 480 and 200 ug mL−1, respectively. Although there was no significant change in APX (ascorbate peroxidase) activity in C. vulgaris, the APX activity decreased at 400 and 600 µg mL−1 concentrations in A. platensis. While the GR (glutathione reductase) activity increased at 960 µg mL−1 concentration in C. vulgaris, it also showed increases at 100, 200 and 400 μg mL−1 concentrations, but it decreased at 600 µg mL−1 concentration in A. platensis. MDA (malondialdehyde) and proline amounts decreased only at the concentration of 960 µg mL−1, while H2O2 didn't change compared to control. Total MDA, H2O2 (hydrogen peroxide) and proline amounts did not show significant change compared to control. It is found that the effects of Bentagran on growth and antioxidant parameters are diverse at different concentrations and species, and this can be attributed to the different reactive oxygen species (ROS) production ability in these species.

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