Green algae used to make plastics that don’t contain petroleum

By Andrew Nusca | Nov 2, 2009 |

You’ve heard of silverware and plasticware, but greenware or bioware?

That’s another story.

Green algae, the photosynthetic organism used as a biofuel, has now been put to use as sustainable bioplastic.

Sustainable plastic manufacturer Cereplast announced that it can turn algae into a sustainable bioplastic resin, to be put to use in water bottles, plasticware and other applications.

The company, which already manufactures plastic from corn, potatoes, tapioca and wheat, says algae-based plastic could replace up to 50 percent of petroleum content found in traditional plastic resin. That’s a big deal, since more than 15 billion pounds of plastic film are manufactured each year in the U.S. alone, a $12 billion industry.

The problem with all that plastic: it’s not biodegradeable and fills landfills, it relies on increasingly-depleted fossil fuels, it uses energy and increases greenhouse gas emissions. If a big company like ConAgra were to make the switch, the impact would be felt across the economy.

But algae must still be sourced. Cereplast plans to get it from companies that use algae to minimize carbon dioxide emissions from polluting smokestacks. In this case, the algae serves as a biopolymer on the opposite end of the manufacturing pipeline — instead of reducing pollution from the creation of traditional plastic, it’s helping create less-polluting plastic from the get-go.

“Based on our own efforts, as well as recent commitments by major players in the algae field, we believe that algae has the potential to become one of the most important “green” feedstocks for biofuels, as well as bioplastics,” said Frederic Scheer, founder and CEO of Cereplast, in a statement. “However, for our algae-based resins to be successful, we require the production of substantial quantities of algae feedstock.”

Cereplast’s algae-based bioplastic is still under development, but the company expects to make commercial algae bioplastic resin available by the end of next year. If a major company were to adopt the new material — which hopefully is at a cost that is competitive with traditional materials — you might find your beverages delivered in green, not clear, bottles.

[via] Pictured: Samsung’s E200Eco mobile phone, which is partially made of  corn-based bioplastic.

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  •  
    1

    shadfurman

    11/02/09 | Report as spam

    As long as it's actually green, way cool

    so many "green" technologies are only green in name only and are
    mearly trends of the market (i.e. prius cars) while I think the
    "green" technologies are awesome (even when they aren't so green) it
    continually frustrates me when practically green people are verbally
    assaulted (I live in portland oregon) by people who believe you must
    be following current trends to be green. I have a smaller "carbon
    footprint" than almost anyone I know, but I am not considered
    environmentally conscious cause I believe in limiting industrial
    pollutions but I don't believe in man made climate change. It really
    induces a desire to rant about up and coming "green" trends on
    peoples blogs :-P but I think the move from petroleum is a very
    important line of research. Not due to carbon emissions or to
    decrease are dependence on foreign oil, but because by todays
    standards its dirty, clunky, old technology and it's time for
    something better. I also love the idea of increased sustainability,
    especially with a forward vision of colonizing other planets.
    Love you guys, keep'a'bloggin happy

  •  
    2

    Thermoguy

    11/03/09 | Report as spam

    RE: Green algae used to make plastics that don't contain petroleum

    Good Morning America reported 3.5 million tons of garbage in the
    Pacific Ocean and 80% of it is plastics. They found the plastics in the
    fish we eat and it is these plastics contributing to breast, prostrate
    or testicular cancers.

    The work they are doing on sustainable plastic is something that needs
    to be employed now. We have reproductive problems as a species and a
    toxicity ratio of 100% in newborns before they take a breath.

    We are in big trouble with the domino effect of these plastic toxins,
    good for these advancements.

  •  
    3

    Norman Harrop

    11/04/09 | Report as spam

    RE: Green algae used to make plastics that don't contain petroleum

    If this information could be forwarded to Glad Manufacturing @ Rogers Arkansas I think that they would be very interested in this information. MY NAME IS NORMAN HARROP AND I USED TO WORK AT THAT FACILITY. I KNOW THEY ARE VERY AWARE OF ADVANCES IN TECHNOLOGY, ESPECIALLY WHEN IT SAVES THE ENVIRONMENT, AND THEM MONEY. THANKS.

  •  
    4

    zackers

    11/04/09 | Report as spam

    RE: Green algae used to make plastics that don't contain petroleum

    This will be terrific if is pans out. I still remember the big announcements of "oil from trash" a couple of years ago, and so far it has amounted to nothing.

    The irony here is that plastic is an excellent carbon sequestration device if it is derived from non-petroleum sources. The algae will basically be converting CO2 from the air, and after use, be put into a landfill where it will keep its carbon locked up forever. If the process becomes really cheap because of its use in plastic products and is not a net polluter, creating bulk resin and burying it might become the cheapest means of carbon sequestration if companies are ultimately forced to adopt that strategy.

    Of course, there will be people who point to the big garbage heap in the Pacific and other places, but that's as much a problem of improper disposal as it is in fabrication. If you can't get people to be responsible in the first place, then no scheme to "save the planet" will ever work.

  •  
    5

    edchuy

    11/04/09 | Report as spam

    RE: Green algae used to make plastics that don't contain petroleum

    I think it would be a good option if it can be made sustainable, given that it would reduce the use of petroleum for plastic and would replace in large part biopolymer made from edible crops (algae probably could be eaten, but I would suspect concerns related to chemicals captured in the smoke stacks). Obviously, it would have to quickly biodegradable for things that are going to disposable, but at the same time have properties similar to the plastics they are replacing. and

    As mentioned, two issues need to be addressed: where are you going to get the algae and who is going to use the plastic in their products, regardless of the cost. Without a supply and demand market structure, as good as a technology is, it wouldn't reach the 50% envisioned. Once consumer know about the product of this technology, perhaps, then they'll demand it. All this, will not happen overnight, of course.

  •  
    6

    pizzaman7

    11/17/09 | Report as spam

    Politically Correct

    If this works out great but I see a lot of ideas that eventually do not pan out. Either it becomes technically not feasible or not cost effective.

    I suppose the politically correct thing to say that this is great that it lowers the "carbon footprint" in the world but in reality CO2 is NOT A POLLUTANT. We have enough oil to last a century (or two). Oil is used in plastics for a reason.

    How far are we going with this stuff ? At some point common sense has to kick in.

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Larry Dignan

Larry Dignan is Editor in Chief of ZDNet and SmartPlanet as well as Editorial Director of ZDNet's sister site TechRepublic. He was most recently Executive Editor of News and Blogs at ZDNet. Prior to that he was executive news editor at eWeek and news editor at Baseline. He also served as the East Coast news editor and finance editor at CNET News.com. Larry has covered the technology and financial services industry since 1995, publishing articles in WallStreetWeek.com, Inter@ctive Week, The New York Times, and Financial Planning magazine. He's a graduate of the Columbia School of Journalism and the University of Delaware.

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Andrew Nusca

Andrew J. Nusca is an associate editor for ZDNet and SmartPlanet. As a journalist based in New York City, he has written for Popular Mechanics and Men's Vogue and his byline has appeared in New York magazine, The Huffington Post, New York Daily News, Editor & Publisher, New York Press and many others. He also writes The Editorialiste, a media criticism blog.

He is a New York University graduate and former news editor and columnist of the Washington Square News. He is a graduate of the Columbia University Graduate School of Journalism. He has been named "Howard Kurtz, Jr." by film critic John Lichman despite having no relation to him. A native of Philadelphia, he lives in New York with his fiancée and his cat, Spats.

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Andrew Nusca

Andrew J. Nusca does not hold any investments in the technology companies he covers.
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