Waste Autoclaves
AeroThermal's autoclave is a pressure vessel that steam treats its contents at a constant temperature and pressure, serving to sterilise, clean, break-down lignin structures and reduce waste volume by approximately 60%. Then, by applying a secondary process the true added value of the autoclave can be realised. These qualities can not only serve to increase landfill diversion rates, but if the process by-product, cellulose floc, is used to its full advantage, clean, green energy can be derived from waste.
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Gasification
The EnviroThermal fixed bed gasifier is an innovative design that utilises a revolutionary multidirectional airflow. The system is currently being rigorously tested under University conditions and a small demonstration prototype will soon be available in Poole, Dorset.
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Anaerobic Digestion
Anaerobic Digestion (AD) is the preferred stabilisation process for the treatment of wastewater sludge and organic wastes. The process provides volume and mass reduction and delivers valuable renewable energy with biogas production. Anaerobic digestion is a simple process that can greatly reduce the amount of organic matter that might otherwise be destined for landfill or burnt in an incinerator.
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AAD
South West
British engineering company AeroThermal Group Ltd together with 4Recycling Ltd is proposing to develop a sustainable waste and resource treatment facility at the site of Imerys Minerals Ltd at Lee Moor, South Devon.
The facility will use autoclave and The AeroThermal Group Ltd's proprietary Advanced Anaerobic Digestion (AAD) technology to generate 3MW of renewable (green) electricity.
Recyclable materials will also be recovered from the waste stream and the stable digestate, a by-product of the AAD process, will be used to help restore parts of the adjoining Imerys Minerals Ltd Lee Moor China Clay workings.
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The machine that sorts out household rubbish automatically – Mail One
The days of having to sort out household rubbish before collection could be over after scientists created a machine to do it automatically.
Scientists have created the Autoclave system, which divides the waste for recycling on a huge scale and produces enough energy to power itself.
Its inventors, AeroThermal, say that at some point in the future, householders could even sell their rubbish because there is potentially a profit in it.
All steel and aluminium is cleaned during the process, plastics are reduced to recyclable pellets and glass is more reusable.
Inventive: Ian Toll, with the Autoclave machine that divides household waste automatically.
Food and organic refuse is turned into biogas that can be converted into green electricity. Even the steam that is used in the process is recaptured afterwards and re-used so nothing is realised into the atmosphere.
In two hours the technology, which acts like a giant steam-powered pressure cooker, can deal with 30 tonnes of municipal waste.
AeroThermal said the Autoclave system could be used to achieve the EU and government targets for dealing with household waste.
Ian Toll, Managing director of the firm based in Poole, Dorset, said: ‘’ the system provides real answers to environmental problems.
‘’Disposal of rubbish poses headaches for authorities on a local and national scale, and we believe this system will reduce pollution – and the cost of waste management.
‘’It is proof that engineering and the application of science can go some way to help combat the major threats facing us today.
He added: ‘’ its effect will be felt by ordinary people because it means we could revert back to the old system of putting out rubbish – with everything in the same bag.
‘’It powers itself and there is enough green electricity left to put back into the national grid – and it could ensure we reach recycling targets.
‘’The steel and aluminium is cleared and all the labels are removed, and that increases it value.
‘’The plastics, including plastic bags, are separated and reduced so they can be recycled.
‘’And all the food and cellulose material is reduced to its basic form, and after it is put through an anaerobic digestion system it can be converted into electricity.
‘’There is no need for us to ship any of our waste to China when we have the technology to sort it out then recycle it.’’