I don't know of any bioethanol process which uses seaweed as a raw material. The biomass will require significant pre-processing to allow the release of fermentable sugars which can be transformed to ethanol. What makes you think this is being done commercially?
Thank you sir for your information. i am working from 2011 onwards on bioethanol production and i also felt the same what you suggested now, but i have come across many research papers from 2011 onwards and they are quoting the commercial aspects and economics and even cost of production bioethanol from seaweeds at pilot scale level. yes as you suggested many process requires energy and time for fermentation while using seaweed as a substrate. currently i am doing PhD and i want to include in my thesis that any commercial companies doing R&D work and production at pilot scale level. Thank you once again sir.
Despite the potential of algae, I do not know of any economically-viable commercial-scale quantities of fuel from either micro- or macroalgae
We recently reviewed macroalgae-derived biofuel including bioethanol:
Milledge JJ, Smith B, Dyer P, Harvey P (2014) Macroalgae-Derived Biofuel: A Review of Methods of Energy Extraction from Seaweed Biomass Energies 7:7194-7222
There has also been another paper which has recent been published that may be of interest
Kawai S, Murata K (2016) Biofuel Production Based on Carbohydrates from Both Brown and Red Macroalgae: Recent Developments in Key Biotechnologies International Journal of Molecular Sciences 17:145
Thank you Dr. Milledge, these ref will help for my question. thank you
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