Sentences with phrase «open pond»

Growing algae in open ponds is akin to producing them in a shallow swimming pool, Clarens said, so all of the nutrients — nitrogen and phosphorus — needed to keep them alive and boost their production come from outside sources.

We also build large open pond algae farms and use these to capture carbon and sequester it permanently (see my other post in the @Fran Barlow Hansen thread).

As mentioned in work discribed on page 147, maintaining the proper culture in open ponds is difficult.

Open pond algae cultures are more exposed to temp changes and infection, dramitically effecting growth rate and making it hard to automate oil production, due to changing outputs.

The company, which last year purchased an 81 - acre site in California's Imperial Valley to scale up and test its synthetic algae strains across 42 open ponds, plans to genetically modify algae to optimize its oil output.

Another company ready to make the leap into commercial scale production of algae fuel is Sapphire Energy, which operates a 2,200 acre algae farm in New Mexico where oil is harvested across 70 open ponds and refined on site.

Algae and cyanobacteria are complicated critters: although they can grow in open ponds, unwanted microbial strains can easily contaminate the water and interfere with the growth of the fuel - making strains.

Today Pollack published an overview on algal biofuels that features two San Diego algae biofuels startups — Synthetic Genomics and Sapphire Energy — and mentions the concerns raised in some quarters about growing genetically engineered algae in open ponds.

One implementation (page 162) involved an enclosed system, using a greenhouse type enclosure, which would be very expensive compared to open ponds.