Emulating nature, algae are grown and are periodically harvested from the bio-processor; mature algae are dislodged and collected while immature algae cling to a membrane and continue to grow. Light is collected and distributed via vertical rods centred in the growth membranes.
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The perfect discrete environment for controlled photosynthesis.
Oil extracted from mature algae can be converted to biofuels using well-established technologies. Thus a double benefit is obtained from a virtuous circle: keeping CO2 from entering the atmosphere, and producing renewable products that will reduce the need for fossil fuels.
The GNUL bio-processors contain specially-selected species of micro-algae, suspended in water and nutrients; this provides for optimal growth. Fresh, salt, artesian or recycled water can be used in the process, as can poor quality water. A stream of gas is drawn from the exhaust stack by a blower and passed through the bioreactor where the algae, illuminated by synthetic sunlight, consume the CO2 component by photosynthesis.
Algae can also break down nitrogen and sulphur-oxide pollutants. To achieve this, the greater portion of the algae is periodically drawn off and put through a ‘dewatering’ process; this concentrates the algae so as to finally yield a solid algal cake, suitable for oil extraction and other processing. Most of the water (95%) is returned to the bio-processor.
The entire process has a very low energy requirement.
8 Unique Advantages of GreenCell’s Technology
A full-size plant built around a five layer stack of Bellows GNULs is expected to be capable of capturing 5 tonnes of CO2 per square metre of floor area each year.
The GreenCell GNULs use a two-stage process to maximise input and output: the first stage creates “sporadic water” in the Bellows GNULs and the second stage grows mature algae cells in the FlatPak GNULs.
A GreenCell GNUL plant, as a fully closed system, can operate continuously 24/7, unaffected by environmental conditions outside the plant.
The system used by GreenCell does not require prior scrubbing of nitrogen oxides from the input emissions.
The inexpensive nature of the materials used, the small land footprint, and the valuable by-products produced, mean that the installation of a GreenCell GNUL plant could be expected to pay for itself within a few years.
The carbon capture efficiency of the closed system is continuously and accurately measurable by gas content at the input and output points of the plant.
The GNUL lighting system can be tailored to individual algae species requirements.
In extreme environments, the GNUL system can be moved underground, unlike open carbon capture systems.
About the GNUL
The World now realizes what the Earth has been trying to say for some time….It is running out of breath and now is the time to act, before it is too late. The GreenCell GNUL bio-processor – which can be built into the infrastructure that creates our greenhouse gases – turns our worst problem into our greatest asset. The GNUL replicates lungs that breathe in CO2 and other polluting elements and breathes out sweet oxygen, cleans water for re-use and turns bio-waste into useful by-products. It’s what nature has been doing since life on earth began. A low-energy natural process with measurable results. Now we can all be part of a solution, instead of the problem.