Division BAT 2 In order to use energy efficiently, BAT is to use an appropriate combination of the techniques given below.
United Kingdom
| Technique | Description |
|---|---|
| (i) Design techniques | |
| a. Pinch analysis | Methodology based on a systematic calculation of thermodynamic targets for minimising energy consumption of processes. Used as a tool for the evaluation of total systems designs |
| b. Heat integration | Heat integration of process systems ensures that a substantial proportion of the heat required in various processes is provided by exchanging heat between streams to be heated and streams to be cooled |
| c. Heat and power recovery | Use of energy recovery devices e.g.:
|
| (ii) Process control and maintenance techniques | |
| a. Process optimisation | Automated controlled combustion in order to lower the fuel consumption per tonne of feed processed, often combined with heat integration for improving furnace efficiency |
| b. Management and reduction of steam consumption | Systematic mapping of drain valve systems in order to reduce steam consumption and optimise its use |
| c. Use of energy benchmark | Participation in ranking and benchmarking activities in order to achieve continuous improvement by learning from best practice |
| (iii) Energy-efficient production techniques | |
| a. Use of combined heat and power | System designed for the co-production (or the cogeneration) of heat (e.g. steam) and electric power from the same fuel |
| b. Integrated gasification combined cycle (IGCC) | Technique whose purpose is to produce steam, hydrogen (optional) and electric power from a variety of fuel types (e.g. heavy fuel oil or coke) with a high conversion efficiency |