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Beyond BAT: selecting optimal combinations of available techniques, with an example from the limestone industry
Thierry Bréchet1, Henry Tulkens
1CORE and Louvain School of Management, Chair Lhoist Berghmans in Environmental Economics and Management, Université catholique de Louvain, Voie du Roman Pays, Louvain-la-Neuve, Belgium. thierry.brechet@uclouvain.be
Journal of Environmental Management
|December 26, 2008
Summary
Identifying the best available techniques (BAT) requires a multi-dimensional approach. This study introduces a framework for finding the best combination of available techniques (BCAT) considering societal environmental costs, not just private interests.
Area of Science:
- Environmental Science
- Industrial Ecology
- Operations Research
Background:
- Technological choices involve multiple dimensions, necessitating sophisticated evaluation methods.
- Environmental externalities from industrial activities require assessment from a societal perspective.
- Existing methods may not adequately capture the societal impact of technological decisions.
Purpose of the Study:
- To present a multi-dimensional methodology for identifying best available techniques (BAT).
- To develop an operational decision tool integrating linear programming and external cost internalization.
- To determine the best combination of available techniques (BCAT) considering societal welfare.
Main Methods:
- Application of linear programming for multi-dimensional analysis.
- Incorporation of external cost internalization to reflect societal impact.
- Development of a decision-support tool for industrial applications.
Main Results:
- Demonstrated that a single best available technique (BAT) is often insufficient.
- Identified the concept of a best combination of available techniques (BCAT) as more appropriate.
- Successfully applied the framework to a lime industry plant.
Conclusions:
- A multi-dimensional methodology is crucial for evaluating technological choices with environmental externalities.
- The developed framework provides a practical tool for firms and regulators.
- Optimizing technological choices requires considering a combination of techniques for societal benefit.
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