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Marine Algae as a CO2 Sink – Research Abstract

February 15th, 2007 | 1 Comment | Posted in Algae-CO2-Capture, Algae-Fuel-Research

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Marine Algae as a CO2 Sink
Journal – Water, Air, & Soil Pollution – SpringerLink
Publisher – Springer Netherlands
Issue – Volume 64, Numbers 1-2 / August, 1992

Marine algae as a co2 sink
R. L. Ritschard1
Center for Atmospheric & Biospheric Effects of Technology Lawrence Berkeley Laboratory, University of California, 94720 Berkeley, CA, USA

Abstract The most effective ways to reduce CO2 emissions are to improve the energy efficiency of each economic sector and to reduce the cutting of tropical and temperate forests around the world. These options, however, may not fully reach their technical and economic potential due to various political and socioeconomic barriers. Other more innovative and less well developed mitigation measures therefore will be required. The most practical of these is to increase CO2 sinks through photosynthesis in both standing tree biomass and in ocean primary producers. In this paper, the use of marine algae as CO2 sinks is reviewed from a technical, engineering/economic, and environmental perspective. Two open ocean options are considered for large-scale CO2 mitigation: the use of phytoplankton through Fe fertilization and macroalgal (kelp) farms, which can be used for both C sequestering and energy production. It has been estimated that these two approaches can sequester from 0.7 to 3 Gt C yr–1 from the atmosphere at an estimated cost of $5 to 300 t–1 C yr–1. Other options currently under study are also mentioned. Numerous questions remain to be answered pertaining to leg facts the use of both microalgae and macroalgae for CO2 assimilation before credible estimates of costs of C removal can be made for either system. In addition, there are several key environmental issues raised by the use of algae. A detailed discussion of these variables, including cost estimates, is presented.

You can buy the complete research paper from this Springer Link page

Nature gave us oil from algae; perhaps we should try Nature’s way again

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algOS – Biodiesel from Algae Open Source

About Oilgae – Oilgae – Oil & Biodiesel from Algae has a focus on biodiesel production from algae while also discussing alternative energy in general. Algae present an exciting possibility as a feedstock for biodiesel, and when you realise that oil was originally formed from algae – among other related plants – you think “Hey! Why not oil again from algae!”

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One Response to “Marine Algae as a CO2 Sink – Research Abstract”

  1. Marine Algae Says:

    Red Marine Algae, or Dulse, has been used by people as a food staple for thousands of years. Often referred to as a sea vegetable, research has suggested that the sulfated polysaccharides in Red Marine Algae may provide nutritional support for immune health.

    For more details please visit:

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