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Municipal Solid Waste Processing and Materials Recovery


The ciVic® process delivers:

  • Production of soil improver material
  • Separation of ferrous material
  • Separation of aluminium cans
  • Separation of plastics for recycling
  • Separation of glass
  • >80% diversion from landfill

The ciVic® process starts with the delivery of municipal solid waste, which is deposited from the refuse collection vehicle into the reception hall. Waste is then fed by a mobile loading shovel into a shredder, which breaks up bags of waste and reduces the size of the waste material. The shredded waste is then conveyed into the top section of the ciVic® digestion tower.

Each batch of material is processed in a closely controlled environment with all critical parameters being constantly monitored and used to control the agitation of the material and addition/extraction of air as required.

The waste is kept under these tightly controlled conditions for 6-10 days, during which time the biodegradable content (paper, food waste, grass cuttings etc) is rapidly digested to form compost, water vapour and carbon dioxide. The system is completely closed, allowing total control of the carbon dioxide produced - this is passed through a bio-filter to ensure that no odours escape.

A major advantage of the ciVic® system is that every element important in the process is constantly monitored and controlled all the time. All elements and operations are recorded by the bespoke Supervisory Control And Data Acquisition SCADA system and logged for each individual batch. This provides a complete history showing the batch identity, batch size, water additions residence time/temperature achieved and any other significant details. All of which can be formatted to the operators requirements to enable full compliance with both the Animal By Products Regulations and the operators own quality control system.

Following digestion, the materials are automatically separated to the various fractions for recycling and/or use. Only a small proportion of residual materials are required to be disposed of to landfill.

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Environmental benefits
Economic benefits
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