Procuring a Composting Plant

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Procuring a Composting Plant

• The Viridor Experience

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Howard Ellard
Technical Development Manager
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Decide what you want

• End result

• Product or Process Focused?

• Production or avoidance?

• Economic or legislative drivers?

• Starting materials

• What are they?

• How much do you know about them?

• Are you sure?

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Process Rationale

• Product focussed or ABPR compliant?

• Two different schools of thought

• Flexibility

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Specification

• Pre-composting processes

• Auger-mix or shredder?

• Trommel?

• Bio-filter

• Post-vessel facilities

• ASP or plain windrow

• Further mechanical plant

• Maturation time

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Contract Issues

• Adversarial approach

• Performance guarantee

• Input specification

• Partnership approach

• Deal with issues as they arise

• Choice often dictated by data availability

• Spend time and money on investigation

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Timescales

• Issues

• Grant funding rules

• Assumptions and realities

• Inter-linkages

• Collection alterations

• Publicity

• Strategy for dealing with delays

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Dealing with the Product

• End product specification

• Should be marketable

• Understand your market

• Options for enhancement

• Mixing with matrix material

• Method of delivery

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Procuring a Composting Plant
The Viridor Experience