Modern commercial and domestic waste window cleaning water arises on two fronts: 1) when high purity water is produced/filtered, and 2) whenever windows are cleaned.
For the purposes of this post, we are interested in the recovery of waste water at pure water production (filtering) stage as this is effectively clean water, where as the recovery of the washings after windows have been cleaned is dirty - and it is also more difficult to recover effectively.
The first barrier to overcome with reg...
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