• flocculation of microcystis aeruginosa using modified

    Flocculation of Microcystis aeruginosa Using Modified

    To flocculate the cyanobacterium Microcystis aeruginosa from water, larch tannin, a natural polymer, was modified by Mannich reaction to obtain a flocculant, named A-TN, which was then quaternized to yield another flocculant, named Q-TN. A-TN and Q-TN were characterized by Fourier transform infrared spectra (FTIR) and zeta potential analysis.

  • effective flocculation of microcystis aeruginosa with

    Effective flocculation of Microcystis aeruginosa with

    The impact of initial algae density on flocculation was studied at urine concentration of 50% (v/v). Fig. 1b shows the removal efficiency of M. aeruginosa cells was significantly enhanced with the decrease of initial algae density (p < 0.05) in 1 h.As the time extended to 12 h, almost all algal cells were precipitated.

  • the growth and physiological activity of microcystis

    The growth and physiological activity of Microcystis

    The aim of this study is to investigate the growth of Microcystis aeruginosa after flocculation using modified tannin (Q-TN). The cell biomass and percentage of living cells in the supernatant and settled flocs were investigated. Physiological activity of algal flocs were also evaluated. The results showed that the algae biomass in the

  • flocculation of microcystis aeruginosa using modified

    Flocculation of Microcystis aeruginosa using modified

    2013-06-04· Flocculation of Microcystis aeruginosa using modified larch tannin. Wang L(1), Liang W, Yu J, Liang Z, Ruan L, Zhang Y. Author information: (1)College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China.

  • flocculation of microcystis aeruginosa using modified

    Flocculation of Microcystis aeruginosa Using Modified

    This article investigated the relationship between ZP of Microcystis aeruginosa and its influence to the flocculation efficiency using chitosan modified soil. Results suggested that the optimal

  • flocculation and removal of water bloom cells microcystis

    Flocculation and removal of water bloom cells Microcystis

    The kinetics of flocculation and removal of Microcystis aeruginosa by chitosan-modified clays was studied. The efficiency of flocculating and removing of algal cells was greatly improved after the

  • removal of microcystis aeruginosa using cationic starch

    Removal of Microcystis aeruginosa using cationic starch

    A cheap and biodegradable modifier, cationic starch (CS), was used to turn local soils into effective flocculants for Microcystis aeruginosa (M. aeruginosa) removal.The isoelectric point of soil particles was remarkably increased from pH 0.5 to 11.8 after modification with CS, which made CS modified soil particles positively charged and obtain algal flocculation ability.

  • influence of zeta potential on the flocculation

    Influence of zeta potential on the flocculation

    However, the flocculation efficiency often varies with algal cells with different zeta potential (ZP) attributed to different growth phases or water conditions. This article investigated the relationship between ZP of Microcystis aeruginosa and its influence to the flocculation efficiency using chitosan modified soil. Results suggested that the

  • flocculation of cyanobacterial cells using coal fly ash

    Flocculation of cyanobacterial cells using coal fly ash

    2016-06-15· Harmful algal blooms (HABs) have increasingly occurred worldwide and pose serious threats to water environment safety. In this study, a compound flocculant (CFAL-Chitosan) was developed for HABs mitigation where chitosan was modified by coal fly ash leachate (CFAL). When using optimized dosage of CFAL-Chitosan flocculant, the zeta potential of Microcystis aeruginosa

  • (pdf) removal of microcystis aeruginosa using cationic

    (PDF) Removal of Microcystis aeruginosa using cationic

    Removal of Microcystis aeruginosa using cationic starch modified soils. Article (PDF Available) in Water Research 97:19-25 · January 2016 with 270 Reads How we measure 'reads' A 'read' is counted

  • alkaline flocculation of microcystis aeruginosa induced

    Alkaline flocculation of Microcystis aeruginosa induced

    Abstract. The biotechnological potential of Microcystis aeruginosa brings requirements for efficient cultivation and harvesting of biomass. Flocculation of M. aeruginosa at alkaline pH induced by calcium or magnesium precipitates was studied under model conditions, in culture medium with/without cellular organic matter (COM). The effect of independent variables (Ca 2+, Mg 2+, PO 4 3−, and pH

  • flocculation of microcystis aeruginosa by steel slag

    Flocculation of Microcystis aeruginosa by steel slag

    Abstract. This study investigated the flocculation of Microcystis aeruginosa by steel slag and evaluated the safety of treated water. The results showed that algal cells at a steel slag dosage of 0.48 g L −1 were effectively removed from two diluted algal solutions when their algogenic organic matter (AOM) contents were 3.54 and 5.81 mg L −1 (referred to as S1 and S2) with algae removal

  • revealing the characteristics of a novel bioflocculant

    Revealing the characteristics of a novel bioflocculant

    In the present work, a novel bioflocculant, EPS-1, was prepared and used to flocculate the kaolin suspension and Microcystis aeruginosa.We focused on the characteristics and flocculation performance of EPS-1, especially with regard to its protein components.

  • elimination of microcystis aeruginosa kÜtz. by modified

    ELIMINATION OF MICROCYSTIS AERUGINOSA KÜTZ. BY MODIFIED

    REMOVAL OF MICROCYSTIS AERUGINOSA WITH WALNUT 825 The clearance of algae (r%) of every sample based on the chl a concentration was determined after the 4 hrs exposure by the following formula: 21 2 100% TT r T − =× (1) where T1 and T2 were the chl a concentrations of the algae and the control after the flocculation, respectively.

  • removal of microcystis aeruginosa using cationic starch

    Removal of Microcystis aeruginosa using cationic starch

    2016-06-15· A cheap and biodegradable modifier, cationic starch (CS), was used to turn local soils into effective flocculants for Microcystis aeruginosa (M. aeruginosa) removal. The isoelectric point of soil particles was remarkably increased from pH 0.5 to 11.8 after modification with CS, which made CS modified soil particles positively charged and obtain algal flocculation ability. At the soil

  • flocculation of harmful algal blooms by modified fly ash

    Flocculation of Harmful Algal Blooms by Modified Fly Ash

    Under UV, 96.79% removal efficiency is achieved for Microcystis aeruginosa in 1h using 50mg.L-1 ZnO/SnO 2 /montmorillonite. The synergy of absorption flocculation and photocatalysis of ZnO/SnO 2 /montmorillonite promotes the removal of Microcystis aeruginosa.

  • influence of zeta potential on the flocculation

    Influence of zeta potential on the flocculation

    9 However, the flocculation efficiency often varies with algal cells with different zeta 10 potential (ZP) attributed to different growth phase or water conditions. This paper 11 investigated the relationship between ZP of microcystis aeruginosa and its influence 12 to the flocculation efficiency using chitosan modified soil. Results suggested

  • flocculation removal of microcystis aeruginosa

    Flocculation Removal of Microcystis Aeruginosa

    Under UV, 96.79% removal efficiency is achieved for Microcystis aeruginosa in 1h using 50mg.L-1 ZnO/SnO 2 /montmorillonite. The synergy of absorption flocculation and photocatalysis of ZnO/SnO 2 /montmorillonite promotes the removal of Microcystis aeruginosa.

  • removal of microcystis aeruginosa using cationic starch

    Removal of Microcystis aeruginosa using cationic starch

    A cheap and biodegradable modifier, cationic starch (CS), was used to turn local soils into effective flocculants for Microcystis aeruginosa (M. aeruginosa) removal. The isoelectric point of soil particles was remarkably increased from pH 0.5 to 11.8 after modification with CS, which made CS modified soil particles positively charged and obtain algal flocculation ability. At the soil

  • flocculation ofmicrocystis aeruginosausing modified

    Flocculation ofMicrocystis aeruginosaUsing Modified

    Not Available adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

  • [flocculation and removal of water bloom cells

    [Flocculation and removal of water bloom cells

    The kinetics of flocculation and removal of Microcystis aeruginosa by chitosan-modified clays was studied. The efficiency of flocculating and removing of algal cells was greatly improved after the modification of the clays. About 80% of algae cell was removed in 0.5 hour, and 90% in 2 hours, when 11 mg/L modified sepiolite was added. Algae

  • flocculation ofmicrocystis aeruginosausing modified

    Flocculation ofMicrocystis aeruginosaUsing Modified

    Not Available adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

  • revealing the characteristics of a novel bioflocculant

    Revealing the characteristics of a novel bioflocculant

    In the present work, a novel bioflocculant, EPS-1, was prepared and used to flocculate the kaolin suspension and Microcystis aeruginosa. We focused on the characteristics and flocculation

  • flocculation and removal of water bloom cells microcystis

    Flocculation and Removal of Water Bloom Cells Microcystis

    The kinetics of flocculation and removal of Microcystis aeruginosa by chitosan-modified clays was studied. The efficiency of flocculating and removing of algal cells was greatly improved after the modification of the clays. About 80% of algae cell was removed in 0.5 hour, and 90% in 2 hours, when 11 mg/L modified sepiolite was added. Algae

  • influence of zeta potential on the flocculation

    Influence of zeta potential on the flocculation

    Using chitosan modified soil to flocculate and sediment algal cells has been considered as a promising strategy to combat cyanobacteria blooms in natural waters. However, the flocculation efficiency often varies with algal cells with different zeta potential (ZP) attributed to different growth phases or water conditions. This article investigated the relationship between ZP of Microcystis

  • 北京林业大学环境科学与工程学院

    北京林业大学环境科学与工程学院

    The growth and physiological activity of Microcystis aeruginosa after flocculation using modified tannin. International Biodeterioration & Biodegradation. 2018. 133: 180-186. 07. Yuan Zhao, Xiaoyu Wang, Xiaoxue Jiang, Qianlong Fan, Xue Li, Liyang Jiao, Wenyan Liang*, Harvesting of Chlorella vulgaris using Fe3O4 coated with modified plant

  • removal of microcystis aeruginosa using cationic core

    Removal of Microcystis aeruginosa using cationic CORE

    Removal of Microcystis aeruginosa using cationic starch modified soils . By W Shi, W Tan, L Wang and G Pan. Abstract. A cheap and biodegradable modifier, cationic starch (CS), was used to turn local soils into effective flocculants for Microcystis aeruginosa (M. aeruginosa) removal. The isoelectric point of soil particles was remarkably increased from pH 0.5 to 11.8 after modification with CS

  • removal of colonial microcystis aeruginosa using two kinds

    Removal of colonial Microcystis aeruginosa using two kinds

    Removal of colonial Microcystis aeruginosa using two kinds of modified clays TIAN Juan1,2, SONG Biyu2, LIN Shen1, YU Boshi 1 & LI Renhui1 (1: Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P.R.China) (2: School of Resource and Envirionmental Science, Wuhan University, Wuhan 430079, P.R.China)

  • bioresources inner-recycling between bioflocculation

    Bioresources inner-recycling between bioflocculation

    In recent years, microalgal blooms have drawn substantial attention, particularly because of the threat they pose to human health and the environment 1. Microcystis aeruginosa (M. aeruginosa) is a

  • chitosan and its derivatives applied in harvesting

    Chitosan and Its Derivatives Applied in Harvesting

    Using life cycle assessment (LCA), Beach compared the chitosan method to centrifugation and filtration/chamber press methods [].Figure 3 showed the system used as a basis for the comparison, where the cultivation and downstream were assumed to be equivalent among all methods. LCA showed that flocculation by chitosan for harvesting N. oleoabundans is the least energy intensive and had

  • screening of commercial natural and synthetic cationic

    Screening of commercial natural and synthetic cationic

    2015-07-01· Flocculation of Microcystis aeruginosa using modified larch tannin. Abstract Hypothesis Flocculation performance using polyelectrolytes is influenced by critical design parameters including molecular weight, amount and sign of the ionic charge, and polymer architecture. It is expected that systematic variation of these characteristics will impact not only flocculation efficiency (FE

  • kinetics and mechanism of removing microcystis aeruginosa

    Kinetics and Mechanism of Removing Microcystis aeruginosa

    Flocculation and Removal of Water Bloom Cells Microcystis aeruginosa by Chitosan-Modified Clays 壳聚糖改性粘土对水华优势藻铜绿微囊藻的絮凝去除: Effects of Ionic Strength on the Flocculation and Removal of Cyanobacterial Cells of Microcystis aeruginosa by Clays

  • 1 effect of algal flocculation on dissolved organic

    1 Effect of algal flocculation on dissolved organic

    The flocculation of Microcystis aeruginosa (M. 93 aeruginosa) using each CS-MS were conducted by jar tests. Dissolved organic carbon 94 (DOC), UV absorbance at 254 nm (UV 254) and excitation-emission matrix (EEM) 95 fluorescence spectra were used to

  • effective flocculation of microcystis aeruginosa with

    Effective flocculation of Microcystis aeruginosa with

    Here, we proposed a novel approach for effectively flocculating the cyanobacteria Microcystis aeruginosa with a removal efficiency of 97% in 6 h using hydrolyzed urine. Nitrogen and phosphorus were simultaneously reclaimed through struvite formation. The addition of Mg2+ promoted the flocculation efficiency and nutrient removal as well as the

  • flocculation of low algae concentration water using

    Flocculation of low algae concentration water using

    ABSTRACTThe combined application of polydiallyldimethylammonium chloride (PDADMAC) and polysilicate aluminum ferrite (PSFA) was investigated to treat low algae density water samples, in which Microcystis aeruginosa is one of the dominant species. coagulation performance of M. aeruginosa was studied with regard to algal removal, Algal density was evaluated by determining the change in the

  • physiological responses of microcystis aeruginosa nies

    Physiological responses of Microcystis aeruginosa NIES

    Flocculation with clays is a promising and environmentally friendly way to remove algal blooms. Physiological responses of Microcystis aeruginosa NIES-843 under the stress of chitosan modified kaolinite (CMK) loading were first reported in this paper. Compared with the control, the contents of chlorophyll a (Chl a) and carotenoids showed no significant difference at a CMK loading of 40 mg/l

  • flocculant cpcts-g-p (cta-dmdaac) and its flocculation

    Flocculant CPCTS-g-P (CTA-DMDAAC) and Its Flocculation

    Microcystis aeruginosa was purchased from the Institute of Hydrobiology, Chinese Academy of Sciences (Wuhan, China). 2.2. Preparation of CPCTS-g-P (CTA-DMDAAC) Solid CPCTS at a certain amount was dissolved in 100 mL of deionized water, and then CTA and DMDAAC were added into the CMCS solution. After stirring under N2 for 30 min to obtain a

  • monitoring of algal flocculation using polarized light

    Monitoring of Algal Flocculation Using Polarized Light

    Abstract: Adding proper amount of flocculants and coagulants into water can settle algal flocculation and remove algal bloom. Water body in scene is much complex and there are many factors affecting the flocculation effects. It is beneficial to improve the treatment effect to monitor the algae flocculation process in situ. Microcysts aeruginosa was used as a sample in this work to form

  • 北京林业大学环境科学与工程学院

    北京林业大学环境科学与工程学院

    The growth and physiological activity of Microcystis aeruginosa after flocculation using modified tannin. International Biodeterioration & Biodegradation. 2018. 133: 180-186. 07. Yuan Zhao, Xiaoyu Wang, Xiaoxue Jiang, Qianlong Fan, Xue Li, Liyang Jiao, Wenyan Liang*, Harvesting of Chlorella vulgaris using Fe3O4 coated with modified plant

  • bioresources inner-recycling between bioflocculation

    Bioresources inner-recycling between bioflocculation

    In recent years, microalgal blooms have drawn substantial attention, particularly because of the threat they pose to human health and the environment 1. Microcystis aeruginosa (M. aeruginosa) is a

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