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Design development contract is signed for MBT plant in Scotland

A waste management technology company based in Manchester has signed a £500,000 design development contract to build a mechanical biological treatment (MBT) plant in Scotland. Oaktech signed the contract with Avondale Environmental, a land management company, to develop the £18 million facility, which would treat around 70,000 tonnes of waste a year at Avondales landfill near Falkirk. Layout drawing designs of the ArrowBio MBT plant have been produced by Oaktech, as part of its design development contract. The MBT plant uses two processes: a water-based system and anaerobic digestion. According to Oaktech, the plant will produce biogas which will be generated into electricity for export to the National Grid. Project manager Stuart Gordon said: The purpose of the MBT plant is to divert waste, as a whole, from landfill. It will also utilise the biodegradable fraction of the waste and then degrade it to make as much methane as possible in order to produce electricity. The ArrowBio process can separate ferrous metals, non-ferrous metals, mixed plastics and glass by water, Gordon added: The lighter elements which will typically be biodegradable will float to the top, be removed by a conveyor belt and enter a shredding process with high-pressure water jets. This soup-like material will then be pumped into the anaerobic digesters where biogas will be produced. The construction contract for the project will be drawn up over the next three to four months while the design development process is completed

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