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Waste not want not - States Assembly

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Figure 18: Summary Review of Available and Developing Technologies for Municipal Solid <strong>Waste</strong> (MSW) Management<br />

(continued)<br />

<strong>Waste</strong> Description & Economics Design to Biodegradable Municipal Environmental<br />

Management development commissioning <strong>Waste</strong> (BMW) diversion role and health issues<br />

Technology status timescales and environmental benefits<br />

THERMAL<br />

Mass-burn<br />

Incineration (MBI)<br />

controlled combustion<br />

process – most developed<br />

waste treatment<br />

technology<br />

significant economies with<br />

larger plant sizes<br />

unpopularity resulting in<br />

long lead-times. Plants at<br />

design stage today are<br />

unlikely to meet 2006-10<br />

target date<br />

full bio-stabilisation,<br />

potentially significant role for<br />

residual BMW. Maximises<br />

overall recycling rates from<br />

residual MSW. Energy recovery<br />

(heat &/or power)<br />

concerns: dioxins & local<br />

air quality deterioration<br />

(driven by poor<br />

perception), visual<br />

intrusion & vehicle<br />

movements<br />

Advanced Thermal<br />

Treatment<br />

(ATT)<br />

partial conversion of waste<br />

into intermediaries.<br />

Relatively unproven<br />

worldwide on non-uniform<br />

waste. UK pilots in<br />

progress<br />

difficult to extrapolate<br />

from pilot plants.<br />

Currently expensive<br />

without wider (economic)<br />

incentives<br />

probable more limited<br />

contribution to residual<br />

BMW streams this side of<br />

2006-10<br />

full bio-stabilisation,<br />

potentially significant role for<br />

residual BMW. Maximises<br />

overall recycling rates from<br />

residual MSW. Energy recovery<br />

(heat &/or power)<br />

initial public concerns<br />

likely to mirror those for<br />

mass-burn incineration<br />

HYBRID<br />

Mechanical-Bio<br />

Treatment (MBT)<br />

ranging from bio-stabilised<br />

followed by landfill,<br />

through to more complex<br />

options. Proven: UK testbed<br />

in progress<br />

considerable economies<br />

envisaged on larger plants<br />

use of residue for energy<br />

recovery – or landfilled –<br />

could have an impact on<br />

overall timescales<br />

provides bio-stabilisation &<br />

bulk reduction. Assists in<br />

maximizing overall recycling<br />

rates from residual MSW. Use<br />

of residue for energy recovery<br />

concerns: bio-aerosols and<br />

odours, vehicle<br />

movements<br />

MECHANICAL<br />

Clean Material<br />

Recovery Facility<br />

(MRF)<br />

processing option:<br />

separates clean co-mingled<br />

recyclates. Commercially<br />

proven in UK<br />

considerable economies<br />

can result from increased<br />

plant size<br />

probably easiest waste<br />

management facilities to<br />

secure planning<br />

permission<br />

no direct BMW diversion role –<br />

but offers an important<br />

material processing/bulking<br />

role<br />

concerns: perception of<br />

dirty MRFs equating to<br />

poor standards, vehicle<br />

movements<br />

Source: McLanaghan Dr S. Delivering the Landfill Directive: The role of new and emerging technologies<br />

STRATEGIC INVESTMENT MEASURES<br />

99

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