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Positive results from latest trials

Up to 95% of biodegradable municipal waste (BMW) can be diverted from landfill through the use of an alternative non-thermal biological treatment process, new trial results have shown.

New Earth's fully enclosed facilities aim to be low impact and produce low emmission levels

Recent large-scale trials undertaken by independent consultants from the Organic Resource Agency at the New Earth facility in Dorset have produced positive results for the treatment method.

With the Governments focus on diverting BMW from landfill, the company has run trials to see how it can divert the maximum amount.

It tested the technology on BMW samples under three different conditions. The first used a fine front-end screening process before the material was treated, to capture stray non-biodegradable elements; the second used a coarser initial screening process and the third trial had no screening process.

The results found that after eight weeks of treatment, 95% of the finely screened material could be diverted from landfill and 89% of the unscreened material.

New Earth contracts director Peter Mills said the additional screening before treatment allowed for the maximum recovery of recyclables or a second bite of the cherry.

He explained that New Earth could tailor its front-end screening, so areas with good dry recyclable recovery rates could do away with screening whereas areas such as cities likely to have more stray recyclables could have additional screening.

As well as capturing stray plastic bottles and cans Mills said New Earth can recover materials such as plastic bags and films that local authorities do not always collect, for conversion into aggregates or roof tiles.

Mills confirmed the company has won contracts for the treatment of source segregated waste from Kent County Council, Dorse

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