While reading this title you all probably
thought there’s no way tomatoes can grow in exhaust gas.
Well, guess again. It all started when British Sugar, which produces about half
of the UK's quota of sugar, decided to produce their own energy by means of an
enormous gas turbine. A gas turbine relies on the combustion of gas to produce
energy. We all know this technology from a jet’s engine, but here the energy
released by the turbine isn’t used to propel a plane but to produce sugar.
So
far, nothing green about their investment, but here it comes. The first
ecological measure they took when using the gas turbine was recovering the heat
that’s lost while producing the energy. People can’t imagine how much energy is
lost by the inefficiency of machines of all kind. The second and most important
step towards a green innovative way of producing energy was to use its exhaust
gases. At about 2.5 km of the company, the largest greenhouse in Europe resides
where they grow tomatoes. By chance, tomatoes happen to take up C02
in order to grow and release O2. They even noticed that the tomatoes
grew much faster in air with a high CO2 concentration! The perfect
invention isn’t it? Not only do they increase the efficiency of the turbine,
they also use the exhaust for the growth of food until the greenhouse gas is
neutralized.
Like the speaker stresses in the movie
below: “It’s a good example of tens of thousands of companies that are moving from
one sector to another.”
http://www.youtube.com/watch?v=0fob4lal4Ro
Mathieu Biemans
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