Division 4.2 Water consumption and use
United Kingdom
- (a)The water consumption at the manufacturing stage, from raw material preparation to firing operations, for the fired products shall not exceed the following requirement:
- (b)The waste water produced by the processes included in the production chain shall reach a recycling ratio of at least 90 %. The recycling ratio shall be calculated as the ratio between the waste water recycled or recovered by applying a combination of process optimisation measures and process waste water treatment systems, internally or externally at the plant, and the total water that leaves the process, as defined in the Technical appendix — A3.