algae biofuel Articles

  • Influence of extracellular polysaccharides (EPS) produced by two different green unicellular algae on membrane filtration in an algae-based biofuel production process

    In the present study, two strains of green algae named S1 and S2, categorized as the same species of Pseudo-coccomyxa ellipsoidea but showing 99% homology, were cultivated under the same conditions and filtrated with a microfiltration membrane. On the basis of the results of the extracellular polysaccharides (EPS) characteristics of these two green algae and the degree of fouling, the ...


    By IWA Publishing

  • Monitoring of Algae Growth by TOC Measurement

    Global warming due to the excessive use of fossil fuels is becoming a problem which has prompted and accelerated the search for alternative fuels. Among the more attractive alternatives is biomass fuel, which is attracting considerable attention. Microalgae can be used for the production of oil without competing with food production, and to a greater extent than other biofuels, its ...

  • Characterization of Algae by TOC Measurement - Case Study

    Global warming due to the excessive use of fossil fuels is becoming a problem which has prompted and accelerated the search for alternative fuels. Among the more attractive alternatives is biomass fuel, which is attracting considerable attention. Microalgae can be used for the production of oil without competing with food production, and to a greater extent than other biofuels, its ...

  • Algal biofuels from wastewater treatment high rate algal ponds

    This paper examines the potential of algae biofuel production in conjunction with wastewater treatment. Current technology for algal wastewater treatment uses facultative ponds, however, these ponds have low productivity (∼10 tonnes/ha.y), are not amenable to cultivating single algal species, require chemical flocculation or other expensive processes for algal harvest, and do not provide ...


    By IWA Publishing

  • Evaluation of initial collision-attachment efficiency between carbon dioxide bubbles and algae particles for separation and harvesting

    Microalgae have been regarded as a pollutant causing algal blooms in lakes or reservoirs but have recently been considered as a useful source of biomass to produce biofuel or feed for livestock. For the algae particle separation process, carbon dioxide (CO2), one of the main greenhouse gases, is dissolved into a body of water rather than being emitted into atmosphere. This study aims at ...


    By IWA Publishing

  • Using wastewater and high-rate algal ponds for nutrient removal and the production of bioenergy and biofuels

    This paper projects a positive outcome for large-scale algal biofuel and energy production when wastewater treatment is the primary goal. Such a view arises partly from a recent change in emphasis in wastewater treatment technology, from simply oxidising the organic matter in the waste (i.e. removing the biological oxygen demand) to removing the nutrients – specifically nitrogen and ...


    By IWA Publishing

  • Algal production in wastewater treatment high rate algal ponds for potential biofuel use

    Wastewater treatment High Rate Algal Ponds with CO2 addition could provide cost-effective and efficient tertiary-level wastewater treatment with the co-benefit of algal biomass production for biofuel use. Wastewater grown algal biomass can have a lipid content of 10–30% of dry weight, which could be used to make biodiesel. This research investigated algal biomass and total lipid production by two ...


    By IWA Publishing

  • Fuel Polishing and Transfer Systems

    Earlier this year, Algae-X International came out with a totally new line of Fuel Polishing & Transfer Systems designed and built their in Fort Myers, Florida facilities. By listening to its customers, boat builders and yacht owners alike, Algae-X found out what they wanted to have as an on board fuel optimization package. The design is modular, so the right system can bechosen for each ...


    By AXI International

  • Harvesting of Microalgae

    In commercial algae production harvesting is generally done by centrifugation. However, the costs and energy demands for harvesting the algal biomass by these methods are high. In the technical and economical analysis on microalgae for biofuels it was shown that the investment costs for the centrifuges contributed up to 34% of the total investment on equipment. The study also showed that the ...


    By Poly Glu USA

  • Microalgae as a sustainable alternative for wastewater treatment

    Thanks to the threats posed to human health and the environment, and the economic costs of its treatment, wastewater from domestic, industrial and agricultural processes has been considered a serious problem for a long time. However, a paradigm shift in the past few years has led to a new concept of wastewater, not as a problem but as a source of energy and other precious resources, including ...


    By IWA Publishing

  • Dewatering as a non-toxic control of nuisance midge larvae in algal wastewater treatment floways

    Attached-algae floways have tremendous potential for use in wastewater treatment because natural algal communities show high nutrient removal efficiencies, have low operating costs, and are easy to maintain. Algal wastewater floways may also serve as a sustainable option for producing renewable energy because algae grow rapidly, are easily harvested, and can serve as a source of biomass for ...


    By IWA Publishing

  • 20th Annual Presidential Green Chemistry Challenge Awards highlight biomass- and waste-to-resource technologies

    On July 13, 2015, the U.S. Environmental Protection Agency (EPA) announced the winners of the 20th Annual Presidential Green Chemistry Challenge Awards (PGCCA) and honored them at a ceremony at the National Academy of Sciences in Washington, D.C. The PGCCAs were created in partnership with the American Chemical ...


    By Bergeson & Campbell, P.C.

  • Voices from India on renewable energy sources

    As we all know that all natural resources on this earth are exhaustible sooner than later.  At the current rate in growth of Energy Demand of the world, Fossil Fuels would last in the following order: Oil is expected to last only 45 years, Gas 70 years and Coal 250 years from now.  The good quality coal of low ash content, however, may last only for another 70 to 100 years. Once these ...


  • Denmark’s Near-Zero-Waste Wonder

    Has this Danish community found the formula for environmentally friendly industry? When we look closely at systems in nature — coral reefs or rainforests, for instance — we see something we don’t often see in human systems: mutually beneficial relationships and energy flows among the various elements, such as air, water, rocks, soil, and plant and animal life. If we ...


    By Ensia

  • Why geoengineering can be only part of the climate solution

    Climate change is not a technological problem, so a technological fix is not enough. The failure of the Kyoto Protocol and the underlying process of the United Nations Framework Convention on Climate Change (UNFCCC) has led to substantial interest in geoengineering technologies, under the usual (and not entirely irrational) view that if policy can’t work, perhaps technology ...


    By Ensia

  • Efficiency beyond pizza money: The military’s gigantic bite

    Is efficiency worth the bother if you save only $5-$10 per month on your energy bill? Many homeowners think not. One dad told us his family would rather save money by just skipping a pizza order once a month. That sentiment is not unusual.   But it is hard to negate the economic value of efficiency if you spend $20 billion per year on energy, as does ...

  • How did palm oil become such a problem — and what can we do about it?

    Production of this ubiquitous ingredient is devastating for the environment. Solutions are complex, but they are out there. Last August, from the window of a jet high over Sumatra, I counted nearly a dozen plumes of smoke rising from the vast jungles and plantations below. Some more than a half-mile wide, they looked like pillars holding up the sky. That week the ...


    By Ensia

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