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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DPP Ltd and AeroThermal Ltd – Diverting harmful waste from landfill
DPP Ltd and AeroThermal Ltd – Diverting harmful waste from landfill.
AeroThermal Ltd, the autoclaves for waste management specialists, has recently completed a series of trials for DPP Ltd, another expanding Poole based company. Renowned for their high quality chicken products, DPP wanted to assess the value of autoclaves in helping the food processing industry reduce its impact on the environment.
Using out of date and frozen, discarded packaged produce, AeroThermal processed 70 KG of waste in just 45 minutes. AeroThermal showed how the process reduced the volume of waste by 60% and complied with the strict Animal By-Products Regulations for any further use of the material. Then, by easily removing unwanted contaminants from the output, DPP were able to see the opportunities this process offered for recycling and potential conversion into a green energy source.
The output from the autoclave is a perfect homogenous feedstock for Anaerobic Digestion – the natural process that produces a biogas for conversion into green electricity. Either the whole output can be sent to the digesters or just the liquid part. If the solids are retained, they can be dried and sent for recycling into the cardboard and packaging industry.
Whilst every effort is made to reduce any waste from the production of their quality products, DPP is pleased to support the work of AeroThermal in providing a useful resource from their unwanted factory output.
For further information please contact:
AeroThermal Ltd – Alison McFadyen 01202 625636 www.aerothermalgroup.com
DPP Ltd – Geoff Dovey 01202 622322 www.dppltd.co.uk
Notes
As food breaks down it releases large amounts of methane, a gas that is 20 times more harmful to the environment than CO2 . If left in landfill sites this methane becomes a major problem because of its effects on the environment. However if it can be successfully captured and harnessed it becomes an asset in the form of green electricity, green gas or even a biofuel. Capturing it early makes both economic and environmental sense.
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