JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
Biocoil. The first commercial use of a "Biocoil reactor" for sewage treatment at Stoke Bardolph in Nottingham, England. Beside it stands the inventor Stephen Skill. The Biocoil is a photobioreactor designed as a system of transparent tubing, built in a spiral up to 5 metres high, which circulates Chlorella algae, lit by internal light. Sewage effluent introduced into the Biocoil acts as an algal nutrient, while treatment of the sewage is highly efficient. Growing algae clump together and can be harvested from the Biocoil providing fertilisers and animal feeds. Burning the excess Chlorella releases energy that may be used to generate electricity.
Model release not required. Property release not required.