From zero to hero – the rise of ZLD
- From: Vol 10, Issue 12 (December 2009)
- Category: Market insight
- Country:
- Related Companies: Aquatech, Enel, General Electric (GE), HPD, Resources Conservation Company, Royal Dutch Shell and Siemens Water Technologies
Regulatory drivers are ensuring that zero liquid discharge is gaining in popularity. Capital and operating costs can still prove prohibitive, as Gord Cope discovers.
If there was ever a Holy Grail of water recovery and reuse in an industrial plant, then it is undoubtedly zero liquid discharge, or ZLD. While it may be difficult and expensive to achieve, zero liquid discharge is easy to define.
“A ZLD system means that no liquid waste leaves the boundary of the facility,” says Keith Minnich, Veolia’s ...
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