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2010-0264(Print)
2972-3698(Online)
Int. J. Environ. Sci. Dev.
Bimonthly
10.18178/IJESD
Prof. Richard Haynes
Prof. Gordon Huang; Prof. Marc Rosen
Ms. Cherry L. Chen
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Home > Articles > All Issues > 2016 > Volume 7 Number 11 (Nov. 2016) >
IJESD 2016 Vol.7(11): 805-809 ISSN: 2010-0264 doi: 10.18178/ijesd.2016.7.11.885

Seaweed Biofuel Derived from Integrated Multi-trophic Aquaculture

Abstract—Aquaculture contributed 23.8 million tonnes of aquatic algae globally in 2012. Increasing consumption of seaweed (as food, for the production of hydro-colloids, and for production of third generation biofuels) will lead to an upward trend in its production and cultivation. Aquaculture contributed 66.6 million tonnes of fish in 2012, 42 % of global production. Fish demand globally is rising to meet food and nutritional requirements; aquaculture for fish will grow. However fish farms are marred by criticism of pollution caused by discharge of waste. Integrated multi-trophic aquaculture can reduce pollution through co-culture of several species such as seaweed and mussels that utilise waste disposed from fish farms for their growth and development.
A model is investigated which would provide 1.25% of energy in transport in the EU from seaweed. This would involve annual production of 168Mt of seaweed (in excess of present world harvest) integrated with 13Mt of farmed salmon. Themodel proposes 2603 anaerobic digesters, each treating 64,500 t/a of Saccharinalatissima in coastal digesters adjacent to natural gas infrastructure for downstream use in natural gas vehicles.

Index Terms—Bio-methane, gaseous biofuel, hydro-colloids, integrated multi-trophic aquaculture, seaweed.

Amita Jacob and Ao Xia are with the Environmental Research Institute, University College Cork, Ireland (e-mail: amitajacob13@gmail.com, ao.xia@ucc.ie).
Daryl Gunning and Gavin Burnell are with the School of Biological, Earth and Environmental Sciences, University College Cork, Ireland (e-mail: daryl.gunning@gmail.com, g.burnell@ucc.ie).
Jerry D. Murphy is with the Environmental Research Institute and the School of Engineering, University College Cork, Ireland (e-mail: jerry.murphy@ucc.ie).

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Cite: Amita Jacob, Ao Xia, Daryl Gunning, Gavin Burnell, and Jerry D. Murphy, "Seaweed Biofuel Derived from Integrated Multi-trophic Aquaculture," International Journal of Environmental Science and Development vol. 7, no. 11, pp. 805-809, 2016.

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