Department of the Environment, Water, Heritage and the Arts Waste Technology and Innovation Study


Criterion Objective/Description



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Criterion

Objective/Description

Evaluation Criteria (Scoring 1-5)

3

Technical Performance

3.1

Proven Technology

Proven and reliable operation for the waste stream / material under consideration (low operational and investment risk)

5. Used successfully at commercial scale in Australia for many years

4. Used successfully at commercial scale internationally for many years

3. Used successfully at commercial scale in Australia or internationally for 1-2 years

2. Successful operation of pilot plant in Australia or internationally

1. Concept or operation of experimental plant in Australia or internationally


3.2

Process Control Requirements

A system with low process control requirements. For example, thermal processes have high PC while more robust processes such as landfill and composting do not. Further, a bioreactor landfill has a higher process control requirement than conventional landfills. More elaborate process control requirements introduce risk and maintenance loads.

5.Low process control requirements relative to throughput with automated monitoring

4.Low process control requirements relative to throughput no automation of monitoring

3. Medium process control requirements relative to throughput.

2. High process control requirements with automated and integrated monitoring.

1. High process control requirements relative to throughput.


3.3

Input Quality Flexibility

A system that can readily handle changes in waste stream characteristics over time.

5. Can readily process the nominated materials/waste streams with current or projected contamination rates.

4. Can readily process the bulk of the nominated materials/waste streams and can be easily adapted to process the bulk of MSW and can be adapted to process some C&I waste with moderate additional expenditure

2. Can process a portion of the MSW stream (eg separated organics) and can take some input of C&I waste with little additional expenditure

1. Can process only a single waste stream (eg separated organics) and can not accept C&I waste



3.4

Feedstock Quantity Flexibility

A system that can readily handle increases or decreases in waste quantities over time

5. Able to handle large variations in waste input quantity with little additional expenditure

4. Able to handle moderate variations in waste input quantity with little additional expenditure

3. Able to handle moderate variation in waste input quantity with moderate additional expenditure

2. Able to handle moderate variation in waste input quantity with significant additional expenditure

1. Unable to handle variation in waste input quantity


3.5

Modularity

A system that can be readily modulated

5. System can be modulated and effectively achieves economy of scale, capital cost and risk reduced

4. System can be modulated, economy of scale not reached however capital cost and risks are reduced

3. System can be modulated at moderate additional expenditure

2. System can be modulated at high additional expenditure

1. No modulation, high capital cost, no reduction in risk.




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