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Zibarev N, Toumi A, Politaeva N, Iljin I. Nutrients recovery from dairy wastewater by Chlorella vulgaris and comparison of the lipid's composition with various chlorella strains for biodiesel production. PLoS One 2024; 19:e0297464. [PMID: 38598537 PMCID: PMC11006192 DOI: 10.1371/journal.pone.0297464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 01/05/2024] [Indexed: 04/12/2024] Open
Abstract
Microalgae biomass is regarded as a promising feedstock for biodiesel production. The biomass lipid content and fatty acids composition are among the main selective criteria when screening microalgae strains for biodiesel production. In this study, three strains of Chlorella microalgae (C. kessleri, C. sorokiniana, C. vulgaris) were cultivated nutrient media with different nitrogen contents, and on a medium with the addition of dairy wastewater. Moreover, microalgae grown on dairy wastewater allowed the removal of azote and phosphorous. The removal efficiency of 90%, 53% and 95% of ammonium nitrogen, total nitrogen and phosphate ions, respectively, were reached. The efficiency of wastewater treatment from inorganic carbon was 55%, while the maximum growth of biomass was achieved. All four samples of microalgae had a similar fatty acid profile. Palmitic acid (C16:0) was the most abundant saturated fatty acid (SFA), and is suitable for the production of biodiesel. The main unsaturated fatty acids (UFA) present in the samples were oleic acid (C18:1 n9); linoleic acid (C18:2 n6) and alpha-linolenic acid (C18:3 n3), which belong to omega-9, omega-6, omega-3, respectively.
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Affiliation(s)
- Nikita Zibarev
- Laboratory "Interdisciplinary Research and Education on Technological and Economic Problems of Energy Transition (CIRETEC-GT)", Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russia
| | - Amira Toumi
- Graduate School of Biotechnology and Food Science, Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russia
| | - Natalia Politaeva
- Laboratory "Interdisciplinary Research and Education on Technological and Economic Problems of Energy Transition (CIRETEC-GT)", Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russia
| | - Igor Iljin
- Laboratory "Interdisciplinary Research and Education on Technological and Economic Problems of Energy Transition (CIRETEC-GT)", Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russia
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Gao S, Huang G, Zhang P, Xin X, Yin J, Han D, Song T, Rosendahl S, Read S. Rethinking the effects of micro/nanoplastics from the global environmental change and systematic perspective: An aquatic environmental system-based comprehensive assessment approach of micro/nanoplastic impacts. JOURNAL OF HAZARDOUS MATERIALS 2023; 457:131695. [PMID: 37257375 DOI: 10.1016/j.jhazmat.2023.131695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 06/02/2023]
Abstract
The study on micro/nanoplastic pollution should embrace complexity. Here, we aim to develop an aquatic environmental system-based comprehensive assessment approach of micro/nanoplastic impacts (ACAM) to evaluate the effects of micro/nanoplastics on aquatic ecosystems from the global environmental change (GEC) and systematic perspective. A case study for freshwater systems in Saskatchewan, Canada was conducted to evaluate the comprehensive effects of multiple GEC factors (polystyrene-nanoplastics (PS-NPs), N, P, salinity, dissolved organic matter (DOM), pH, hardness) on Asterococcus superbus based on ten ecologically relevant endpoints. It is found that at the cellular level, PS-NPs and N had an antagonistic interaction on microalgal growth in the Saskatchewan freshwater ecosystem; at the molecular level, the PS-NP-induced changes in lipid composition in microalgae were regulated by P, DOM, and pH. The significance ranking of factor effects suggested that instead of PS-NPs pollution, the fluctuations in pH level, DOM and N concentrations should be paid attention to first in Saskatchewan. Under the combined impact of PS-NPs and other GEC factors, microalgae at station 14 (Qu'Appelle River near highway 56) might have the minimum growth rate with [-0.048, 0.094] d-1 in Saskatchewan. These findings demonstrate the efficacy of the developed ACAM in a more comprehensive and context-specific assessment of MNP risks, providing new insight for the management of MNP pollution.
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Affiliation(s)
- Sichen Gao
- Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
| | - Gordon Huang
- Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada.
| | - Peng Zhang
- Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
| | - Xiaying Xin
- Department of Civil Engineering, Queen's University, Kingston, Ontario K7L 3Z6, Canada
| | - Jianan Yin
- Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
| | - Dengcheng Han
- Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
| | - Tangnyu Song
- Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
| | - Scott Rosendahl
- Canadian Light Source, Saskatoon, Saskatchewan S7N 2V3, Canada
| | - Stuart Read
- Canadian Light Source, Saskatoon, Saskatchewan S7N 2V3, Canada
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Lipid accumulation by a novel microalga Parachlorella kessleri R-3 with wide pH tolerance for promising biodiesel production. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Cheng P, Huang J, Song X, Yao T, Jiang J, Zhou C, Yan X, Ruan R. Heterotrophic and mixotrophic cultivation of microalgae to simultaneously achieve furfural wastewater treatment and lipid production. BIORESOURCE TECHNOLOGY 2022; 349:126888. [PMID: 35202828 DOI: 10.1016/j.biortech.2022.126888] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/16/2022] [Accepted: 02/18/2022] [Indexed: 06/14/2023]
Abstract
Furfural wastewater (FWW) treatment is important in modern chemical production. However, traditional wastewater treatment methods are inappropriate for the treatment of FWW. In this work, Chlorella pyrenoidosa was employed to study the growth and pollutants removal with both heterotrophic and mixotrophic cultures. The results show that the biomass and removal efficiency for COD and TN were the highest under 10-fold dilution. However, TP removal were inconsistent when the algae were cultivated in both mixotrophic and heterotrophic modes. Compared to high nitrogen (0.75 g/L NaNO3), the algal cells grew faster when adding 0.25 g/L NaNO3 to the FWW, whether in mixotrophic or heterotrophic conditions. The total lipid content in heterotrophic conditions was 18.53%, which was higher than the values in mixotrophy when the concentration of NaNO3 was 0.75 g/L. Different carbon assimilation mechanisms of the algal cells result in a discrepancy in cell growth and pollutant removal, under different culture modes.
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Affiliation(s)
- Pengfei Cheng
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Jianke Huang
- Institute of Marine Biotechnology and Bioresource Utilization, College of Oceanography, Hehai University, Nanjing, Jiangsu 213022, China
| | - Xiaotong Song
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Ting Yao
- Institute of Marine Biotechnology and Bioresource Utilization, College of Oceanography, Hehai University, Nanjing, Jiangsu 213022, China
| | - Jingshun Jiang
- Institute of Marine Biotechnology and Bioresource Utilization, College of Oceanography, Hehai University, Nanjing, Jiangsu 213022, China
| | - Chengxu Zhou
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Xiaojun Yan
- Key Laboratory of Marine Biotechnology of Zhejiang Province, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Roger Ruan
- Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota-Twin Cities, Saint Paul, MN 55108, USA.
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Beigbeder JB, Sanglier M, de Medeiros Dantas JM, Lavoie JM. CO2 capture and inorganic carbon assimilation of gaseous fermentation effluents using Parachlorella kessleri microalgae. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101581] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Li Z, Yang ST, Zhou ZY, Peng SY, Zhang QH, Long HZ, Li HG. Enhancement of lipid production in Desmodesmus intermedius Z8 by ultrasonic stimulation coupled with nitrogen and phosphorus stress. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108061] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Supra-Optimal Temperature: An Efficient Approach for Overaccumulation of Starch in the Green Alga Parachlorella kessleri. Cells 2021; 10:cells10071806. [PMID: 34359975 PMCID: PMC8306380 DOI: 10.3390/cells10071806] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 11/25/2022] Open
Abstract
Green algae are fast-growing microorganisms that are considered promising for the production of starch and neutral lipids, and the chlorococcal green alga Parachlorella kessleri is a favorable model, as it can produce both starch and neutral lipids. P. kessleri commonly divides into more than two daughter cells by a specific mechanism—multiple fission. Here, we used synchronized cultures of the alga to study the effects of supra-optimal temperature. Synchronized cultures were grown at optimal (30 °C) and supra-optimal (40 °C) temperatures and incident light intensities of 110 and 500 μmol photons m−2 s−1. The time course of cell reproduction (DNA replication, cellular division), growth (total RNA, protein, cell dry matter, cell size), and synthesis of energy reserves (net starch, neutral lipid) was studied. At 40 °C, cell reproduction was arrested, but growth and accumulation of energy reserves continued; this led to the production of giant cells enriched in protein, starch, and neutral lipids. Furthermore, we examined whether the increased temperature could alleviate the effects of deuterated water on Parachlorella kessleri growth and division; results show that supra-optimal temperature can be used in algal biotechnology for the production of protein, (deuterated) starch, and neutral lipids.
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Zachleder V, Ivanov IN, Kselíková V, Bialevich V, Vítová M, Ota S, Takeshita T, Kawano S, Bišová K. Characterization of Growth and Cell Cycle Events Affected by Light Intensity in the Green Alga Parachlorella kessleri: A New Model for Cell Cycle Research. Biomolecules 2021; 11:biom11060891. [PMID: 34203860 PMCID: PMC8232753 DOI: 10.3390/biom11060891] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/03/2021] [Accepted: 06/05/2021] [Indexed: 11/16/2022] Open
Abstract
Multiple fission is a cell cycle variation leading to the production of more than two daughter cells. Here, we used synchronized cultures of the chlorococcal green alga Parachlorella kessleri to study its growth and pattern of cell division under varying light intensities. The time courses of DNA replication, nuclear and cellular division, cell size, total RNA, protein content, dry matter and accumulation of starch were observed at incident light intensities of 110, 250 and 500 µmol photons m−2s−1. Furthermore, we studied the effect of deuterated water on Parachlorella kessleri growth and division, to mimic the effect of stress. We describe a novel multiple fission cell cycle pattern characterized by multiple rounds of DNA replication leading to cell polyploidization. Once completed, multiple nuclear divisions were performed with each of them, immediately followed by protoplast fission, terminated by the formation of daughter cells. The multiple fission cell cycle was represented by several consecutive doublings of growth parameters, each leading to the start of a reproductive sequence. The number of growth doublings increased with increasing light intensity and led to division into more daughter cells. This study establishes the baseline for cell cycle research at the molecular level as well as for potential biotechnological applications, particularly directed synthesis of (deuterated) starch and/or neutral lipids as carbon and energy reserves.
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Affiliation(s)
- Vilém Zachleder
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, 37981 Třeboň, Czech Republic; (V.Z.); (I.N.I.); (V.K.); (V.B.); (M.V.)
| | - Ivan N. Ivanov
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, 37981 Třeboň, Czech Republic; (V.Z.); (I.N.I.); (V.K.); (V.B.); (M.V.)
- Faculty of Science, University of South Bohemia, 37005 České Budějovice, Czech Republic
| | - Veronika Kselíková
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, 37981 Třeboň, Czech Republic; (V.Z.); (I.N.I.); (V.K.); (V.B.); (M.V.)
- Faculty of Science, University of South Bohemia, 37005 České Budějovice, Czech Republic
| | - Vitali Bialevich
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, 37981 Třeboň, Czech Republic; (V.Z.); (I.N.I.); (V.K.); (V.B.); (M.V.)
| | - Milada Vítová
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, 37981 Třeboň, Czech Republic; (V.Z.); (I.N.I.); (V.K.); (V.B.); (M.V.)
| | - Shuhei Ota
- Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Tsukuba, Ibaraki 305-8506, Japan;
| | - Tsuyoshi Takeshita
- The University of Tokyo Future Center Initiative, Wakashiba 178 4 4, Kashiwa, Chiba 277-0871, Japan; (T.T.); (S.K.)
| | - Shigeyuki Kawano
- The University of Tokyo Future Center Initiative, Wakashiba 178 4 4, Kashiwa, Chiba 277-0871, Japan; (T.T.); (S.K.)
| | - Kateřina Bišová
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, 37981 Třeboň, Czech Republic; (V.Z.); (I.N.I.); (V.K.); (V.B.); (M.V.)
- Correspondence: ; Tel.: +420-384-340-480
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Biosorption of Uranyl Ions from Aqueous Solution by Parachlorella sp. AA1. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18073641. [PMID: 33807417 PMCID: PMC8037780 DOI: 10.3390/ijerph18073641] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/26/2021] [Accepted: 03/29/2021] [Indexed: 11/16/2022]
Abstract
In the present study we investigated the ability of the microalgal strain Parachlorella sp. AA1 to biologically uptake a radionuclide waste material. Batch experiments were conducted to investigate the biosorption of uranyl ions (U(VI)) in the 0.5–50.0 mg/L concentration range by strain AA1. The results showed that AA1 biomass could uptake U(VI). The highest removal efficiency and biosorption capacity (95.6%) occurred within 60 h at an initial U(VI) concentration of 20 mg/L. The optimum pH for biosorption was 9.0 at a temperature of 25 °C. X-ray absorption near edge structure analysis confirmed the presence of U(VI) in pellets of Parachlorella sp. AA1 cells. The biosorption methods investigated here may be useful in the treatment and disposal of nuclides and heavy metals in diverse wastewaters.
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Kim SH, Che CA, Jeong GT, Kim SK. The effect on single and combined stresses for biomass and lipid production from Nannochloris atomus using two phase culture system. J Biotechnol 2020; 326:40-47. [PMID: 33359212 DOI: 10.1016/j.jbiotec.2020.12.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 11/11/2020] [Accepted: 12/13/2020] [Indexed: 10/22/2022]
Abstract
The optimal conditions for high biomass and lipid production from Nannochloris atomus were evaluated. The parameters used in this study were light emitting diode (LED) wavelength mixing ratio, the photoperiod, salinity tolerance, and single and combined stresses. Biomass production was monitored in the first phase using red LED (625 nm), followed by lipid production by green LED (520 nm) in the second phase. The optimal conditions were obtained using a single red LED with light:dark durations of 20:4 h and two days of exposure in combined stresses of 1.06 M NaCl and green LED. Under these conditions, 68.6 % (w/w) lipid content were obtained. Compared to the non-stress control, the lipid content was increased by 31.9 %. Linolenic acid (C18:3) the omega-3 fatty acid was produced up to 52.4 % in 1.06 M NaCl as a single stress.
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Affiliation(s)
- So Hee Kim
- School of Marine, Fisheries, and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Clovis Awah Che
- School of Marine, Fisheries, and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Gwi-Taek Jeong
- School of Marine, Fisheries, and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Sung-Koo Kim
- School of Marine, Fisheries, and Life Science, Pukyong National University, Busan 48513, Republic of Korea.
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Moro I, Trentin R, Moschin E, Dalla Vecchia F. Morpho-physiological responses by Isochrysis galbana Parke to different concentrations of oxytetracycline. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114273. [PMID: 32146366 DOI: 10.1016/j.envpol.2020.114273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/05/2020] [Accepted: 02/24/2020] [Indexed: 06/10/2023]
Abstract
The pollution of aquatic bodies by pharmaceutical compounds is an emerging environmental problem, with little explored consequences. Oxytetracycline (OTC) is an antibiotic used for treatment of infections caused by a variety of microorganisms and it is widely employed in medicine, livestock husbandry and aquaculture. This pharmaceutical compound may cause deleterious effects on non-target aquatic organisms as microalgae. The objective of this study was to evaluate the effects of OTC on growth, pigment content and morpho-physiology of the microalga Isochrysis galbana Parke. The results highlighted that OTC exposure inhibited the growth of I. galbana in cultures treated with OTC 5.0 and 10.0 mg/L after 3 days and in cultures treated with OTC 5.0, 7.5 and 10.0 mg/L after 5 days. Effects of OTC on cells ultrastructure and physiology consisted in large cytoplasmic lipid inclusions and in a decrease of photosynthetic pigments amount.
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Affiliation(s)
- Isabella Moro
- Department of Biology, University of Padova, Via U. Bassi, 58/B 35131, Padova, Italy
| | - Riccardo Trentin
- Department of Biology, University of Padova, Via U. Bassi, 58/B 35131, Padova, Italy
| | - Emanuela Moschin
- Department of Biology, University of Padova, Via U. Bassi, 58/B 35131, Padova, Italy
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Tan XB, Meng J, Tang Z, Yang LB, Zhang WW. Optimization of algae mixotrophic culture for nutrients recycling and biomass/lipids production in anaerobically digested waste sludge by various organic acids addition. CHEMOSPHERE 2020; 244:125509. [PMID: 31812770 DOI: 10.1016/j.chemosphere.2019.125509] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 11/24/2019] [Accepted: 11/28/2019] [Indexed: 05/09/2023]
Abstract
Anaerobically digested waste sludge contains very high concentrations of ammonium and phosphate that are difficult to be purified using traditional processes. Mixotrophic culture of microalgae is a potential way to achieve ammonium and phosphate removal, while harvesting considerable biomass for biodiesel production. In this study, four typical volatile organic acids that could be potentially produced from sludge fermentation were tested for algal mixotrophic culture in anaerobically digested waste sludge. The results showed that the addition of propionate and isovaleric acid had no significant improvement on biomass production, and even inhibited algal growth at low concentration. Fortunately, the addition of acetic and n-butyric acid (initial C/N = 10) increased biomass production by1.9-2.4 times compared to the blank culture. Higher biomass production increased ammonium and orthophosphate removal to 88.3-97.1% and 80.4-93.0%, respectively. Moreover, the optimal addition of volatile organic acids enhanced lipids production by 3.9-6.3 times, while achieving higher saturation degree in biodiesels. The results suggest that adding these optimal volatile organic acids is suitable to enhance nutrients recycling and algal biodiesel production from anaerobically digested waste sludge.
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Affiliation(s)
- Xiao-Bo Tan
- College of Urban and Environment Sciences, Hunan Provincial Key Laboratory of Comprehensive Utilization of Agricultural and Animal Husbandry Waste Resources, Hunan University of Technology, 88 Taishan Road, Zhuzhou City, Hunan Province, 412007, China.
| | - Jing Meng
- College of Urban and Environment Sciences, Hunan Provincial Key Laboratory of Comprehensive Utilization of Agricultural and Animal Husbandry Waste Resources, Hunan University of Technology, 88 Taishan Road, Zhuzhou City, Hunan Province, 412007, China
| | - Zhuo Tang
- College of Urban and Environment Sciences, Hunan Provincial Key Laboratory of Comprehensive Utilization of Agricultural and Animal Husbandry Waste Resources, Hunan University of Technology, 88 Taishan Road, Zhuzhou City, Hunan Province, 412007, China
| | - Li-Bin Yang
- College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Wen-Wen Zhang
- College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
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