investigation of electrolytic flocculation for microalga

DOI: Bioflocculation technique for microalgal harvesting and

Egypt. The microalgae were cultivated on F/2 medium under light/dark at 100 rpm and 25 C, lighting using fluorescent light (50 μmol photons m−2 s−1 25 C (Guillard Ryther, 1962; Salim et al., 2011). flocculation process For screening the ability of strains for

Exploration on Bioflocculation of Nannochloropsis

The present investigation focused on the cost effective harvesting of microalga on a larger scale for biodiesel production than using toxic, ecofriendly chemical flocculants. Harvesting of algal biomass in biodiesel production involves high energy input and cost incurred process.

Co

2014/11/24The challenges which the large scale microalgal industry is facing are associated with the high cost of key operations such as harvesting, nutrient supply and oil extraction. The high-energy input for harvesting makes current commercial microalgal biodiesel production economically unfeasible and can account for up to 50% of the total cost of biofuel production. Co-cultivation of fungal and

Evaluation of electrocoagulationflocculation for harvesting marine and freshwater microalgae

ARTICLE Evaluation of Electro-Coagulation–Flocculation for Harvesting Marine and Freshwater Microalgae Dries Vandamme,1 Sandra Claudia Vieira Pontes,2y Koen Goiris,3y Imogen Foubert,1 Luc Jozef Jan Pinoy,2,4y Koenraad Muylaert1 1Laboratory for Aquatic Biology, K.U.Leuven Campus Kortrijk, E. Sabbelaan 53,

Investigation of Electrolytic Flocculation for Microalga

Electrolytic flocculation using non-sacial electrodes with flocculants added was studied on harvesting Scenedesmus sp. In order to optimize the operating conditions of the electrolytic flocculation process and to quantify the amount of flocculants added, aluminum electrodes were first used in the process. It was found that under optimal conditions, the microalgae removal efficiency

African Journal of Biotechnology

Analysis of expressed sequence tags derived from inflorescence shoot of Tectona grandis (teak) November 2009 Teak Inflorescence Shoot Stage 4 (TIS4) shoots bearing the floral meristems were used to construct a cDNA librariy with insert size range of 1500

Flocculation as a low

Microalgae are a promising new source of biomass for production of food, feed, fuel, or chemicals, but the cost and energy demand of large-scale production is still too high. An efficient low-cost method for harvesting microalgae is essential for large-scale and low-cost production of microalgal biomass. In this paper, we give an overview of different approaches for achieving flocculation of

Thesis supplement.docx

Cultivation Harvesting Photoautotrophic cultivation methods of microalgae are widely accepted and an economically viable approach for microalgal biomass production on a larger scale (Chen et al., 2011a). Microalgae which can be cultivated in either open raceway ponds or in photobioreactors for biomass and lipid production (Rawat et al., 2013), require require light, carbon dioxide, inorganic

Frontiers

Chitosan was found to be superior for flocculation of the freshwater microalga Chlorella sp. and marine Isochrysis galbana. Knuckey et al. (2006) developed a rapid method by pH adjustment of the medium, and the addition of Magnafloc LT-25, a non-ionic polymer, and were successful in harvesting a number of microalgal species.

Investigation the performance of LT anionic poly

Bulgarian Chemical Communications, Volume 48, Special Issue D, Supplement (pp. 25 – 28) 2016 25 Investigation the performance of LT 25 anionic poly-electrolytes as a coagulant aid in the turbidity removal case study N. Osouleddini 1,*, M. Abdollahzadeh 2 1

Investigation of electrolytic flocculation for microalga

Electrolytic flocculation using non-sacial electrodes with flocculants added was studied on harvesting Scenedesmus sp. In order to optimize the operating conditions of the electrolytic flocculation process and to quantify the amount of flocculants added,

Potential of electrolytic flocculation for recovery of micro

1997/1/1Electrolytic flocculation was tested as a possible solution for recycling algae-con- taining rinsing water from micro-strainers, the first step in the treatment of surface water from a reservoir. The disposal of this rinsing water leads to both a quantitative loss (about 1% of the drinking water produced) and an environmental problem (organic pollution).

Final Report Summary

Task 3.4 Investigation of Hybrid Harvesting Technologies: Electro-Flocculation This task will investigate the utility of electro-flocculation for harvesting the selected microalgae species, to establish the most appropriate operating conditions, and the limitations and potential of this harvesting approach.

Flocculation: An effective way to harvest microalgae for

2019/8/1The electrolytic flocculation of D. salina was performed using aluminium air battery and during the process the along with separation energy also produced which is usable for charging the battery []. Table 4 compares the flocculation efficiency of microalgae with

African Journal of Biotechnology

Analysis of expressed sequence tags derived from inflorescence shoot of Tectona grandis (teak) November 2009 Teak Inflorescence Shoot Stage 4 (TIS4) shoots bearing the floral meristems were used to construct a cDNA librariy with insert size range of 1500

Harvesting of freshwater microalgae Scenedesmus sp. by

There is growing interest in recent times for microalgae as a sustainable energy source. However, efficient harvesting of microalgal biomass for various industrial applications is still considered a bottleneck. The present study attempts to evaluate microalgae Scenedesmus sp. harvesting using electro-coagulation–flocculation (ECF). ). Plackett–Burman design was exploited to explore the

Heterologousexpressionofa x cell adhesionmoleculecauses flocculation in Chlamydomonas reinhardtii

Electrolytic and electrophoresis-based methods have also been shown to en-hance flocculation of microalgae by a similar mechanism (Azarian et al. 2007;Chenetal.2011). None of these en-hanced flocculation methods are cost-efficient, however, as must be

Investigation of microalgae cultivation and anaerobic

The main goals of this research are to investigate the anaerobic digestibility of algae and to investigate the effects of growth media on the growth rates, nutrient removal kinetics, and extracellular polymeric substances (EPS) characteristics of wild type green algae. Anaerobic co-digestion of algae with sewage sludge is proposed to improve the digestibility of algae. It is hypothesized that

Development of an efficient electroflocculation

BACKGROUND: Various methods, including centrifugation, filtration, electroflocculation, flocculation and flotation, have been developed for harvesting microalgae. However, some economic or technical problems still remain with current methods for algal recovery, such as high capital, energy and running costs, flocculant toxicity or low separation efficiency. Therefore, there is great interest

Magnetic Flocculant for High Efficiency Harvesting of

Magnetic flocculant was synthesized for the highly efficient recovery of microalgal cells. The highest flocculation was achieved using the magnetic flocculant synthesized with iron oxide and 0.1 mg/mL cationic polyacrylamide (CPAM). This resulted in a recovery efficiency of more than 95% within 10 min using a dosage of 25 mg/L for Botryococcus braunii and 120 mg/L for Chlorella ellipsoidea

CHARACTERIZING MICROALGAE (Nannochloris oculata) HARVESTING BY ALUMINUM FLOCCULATION

CHARACTERIZING MICROALGAE (Nannochloris oculata) HARVESTING BY ALUMINUM FLOCCULATION A Thesis by RYAN T. DAVIS Submitted to the Office of Graduate Studies of Texas AM University in partial fulfillment of the requirements for the degree

Flocculation characteristics of a bioflocculant produced

Background Microbial flocculation is a good choice for harvest of microalgae biomass, which has gained extensive attention. There have been carried out massive studies in bacterial flocculation, many bacterial strains with flocculation activity were isolated and different types of bioflocculants were produced. However, harvest of algal biomass by bioflocculants which produced from actinomycete

flotation process in biotechnology

Electrolytic flotation of pyrite Kydros 1994 Journal Abstract Electrolytic flotation, a rather unconventional flotation technique used in effluent treatment, was investigated on pyrite; the process was enhanced by xanthate and also a cationic collector.

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