| Global NEST Journal

Harvesting of Dunaliella salina using electrocoagulation with helix electrode and producing HHO gas as promising Hydrogen fuel

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Mochamad Arief Budihardjo et al. View all

Issue 1

Environmental data analysis and modelling

Biofuels obtained from renewable sources are the only alternative in the global economy from a sustainable point of view. Microalgae have shown tremendous potential as a major source of biomass production that can be used as biofuels. At the same time, gas hydrogen is a non-polluting energy source...

Dunaliella salina Electrocoagulation +3 more

Simultaneous degradation efficiency of C-MFCs for three pollutants in aquaculture wastewater

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Lu Hongsheng et al. View all

Issue 8

Water and wastewater treatment and reuse

Chlorella microbial fuel cells may be an alternative technology for wastewater treatment. Using microalgae and activated sludge as raw materials, a C-MFCs was established, and the effects of different nitrogen and phosphorus ratios in the influent on the electrochemical performance of C-MFCs and the...

C-MFCs nitrogen-phosphorus ratio +3 more

Extraction of biodiesel from wastewater using microalgae Chlorella Vulgaris

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Gokulan. R*, et al. View all

Issue 1

Water and wastewater treatment and reuse

An experimental research on production of biodiesel from lipids of chlorella vulgaris has been done through transesterification reaction process. The series of chlorella vulgaris cultures has been carried out and the optimum growth time was determined. The biodiesel synthesis is processed by two...

Biomass Chlorella vulgaris +3 more

Batch and column studies on removal of eriochrome black T dye by microalgae biochar

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Radha Nagalingam et al. View all

Issue 1

Water and wastewater treatment and reuse

In this study, Chlorella vulgaris microalgae was cultivated from wastewater and converted into biochar through hydrothermal carbonization process. Acclimatization of microalgae resulted in a greater biomass yield of 4.1 g/L in 15 days in a Fog's medium to wastewater ratio of 20:80. Microalgae...

Adsorption Biochar +3 more

Trends in renewable energy: an overview

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Sotiris Lycourghiotis et al. View all

Issue 3

General

This essay deals with the prospects of supplying humanity with energy in the twenty-first century. The gradual replacement of fossil fuels by green electricity, hydrogen and biofuels is examined in the context of deteriorating climate change and the ongoing depletion of fossil fuels. The production...

Global warming Climate change +5 more

Scenedesmus regularis: An alternative biosorbent for the efficient and fast removal of methylene blue

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Başaran Kankılıç G. et al. View all

Issue 3

Water and wastewater treatment and reuse

This study focused on removing methylene blue (MB) from aqueous solutions using microalga Scenedesmus regularis as a biosorbent. The biomass was characterized by Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscopy (FE-SEM). The difference in thermal...

Microalgae Adsorption +4 more

Inexpensive and universal growth media for biomass production of microalgae

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Magdalena Zabochnicka-Świątek mzabochnicka@is.pcz.pl et al. View all

Issue 1

Green Chemistry and Sustainable Development

New challenges for industrial microbiology and biotechnology of algae are to increase the efficiency of microalgae growth rates and decrease the cultivation costs. Algae could be cultivated in fresh water as well as in salty sea water or wastewater. Microalgae biomass can be used as a sorbent to...

Scaling-up sustainable Chlorella vulgaris microalgal biomass cultivation from laboratory to pilot-plant photobioreactor, towards biofuel

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Prof. Vayos G. Karayannis et al. View all

Issue 1

Green Chemistry and Sustainable Development

Unicellular microalgal culture represents a new opportunity for producing significant biofuel quantities in the future along with other specialty products, due to several major advantages microalgae species present when compared to conventional crops, including much faster growth rates, cultivation...

scale-up pilot-plant +7 more

Ultrasound Assisted Enhanced Extraction of Lutein (β, ε-carotene-3, 3'-diol) from Mircroalga (Chlorella pyrenoidosa) Grown in Wastewater: Optimization through Response Surface Methodology

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Kannappan Panchamoorthy Gopinath et al. View all

Issue 4

General

One of the fundamental carotenoid compounds available in microalga Chlorella pyrenoidosa is lutein, which is a commercially valuable antioxidant compound. The extraction of lutein from C. pyrenoidosa was studied in detail under various operating conditions. Acid pretreatment was done using 10% HCl...

C. pyrenoidosa lutein +3 more

Ecotoxicological evaluation of chemical indicator substances present as micropollutants in laboratory wastewaters

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Figueiredo S.A. et al. View all

Issue 1

General

Laboratories produce a large volume of wastewaters containing different chemical indicators, organic species for which there is no complete knowledge about their effects in the aquatic environment. The aim of this work was to evaluate the ecotoxicity of four chemical indicator substances commonly...

Chemical indicators Chlorella vulgaris +4 more

Project of Recovery the Biological Conditions of the Production System in Saltworks of Industria Salinera de Yucatan S.A. de C.V. (ISYSA) Damaged by the Hurricane Isidore in September of 2002

by

Ortiz-Milan S.M.

Issue 1

General

Industria Salinera de Yucatan S.A. de C.V. (ISYSA) has its operation of primary production of salt by solar evaporation in Las Coloradas, Yucatan, Mexico, in the coast the northwest of the Yucatan Peninsula. One of the disadvantages of this location is the presence of extreme climatologic phenomena...

Brine crystallizers +7 more