Division BAT 44 In order to maintain advanced water circuit closure in mills processing paper for recycling and to avoid possible negative effects from the increased recycling of process water, BAT is to use one or a combination of the techniques given below.
United Kingdom
| Technique | Description | |
|---|---|---|
| a | Monitoring and continuous control of the process water quality | See Section 1.7.2.1 |
| b | Prevention and elimination of biofilms by using methods that minimise emissions of biocides | |
| c | Removal of calcium from process water by a controlled precipitation of calcium carbonate |