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4. The potential ecological impacts of ZLD, especially greenhouse gas discharge and also generation of strong waste, are talked about as well as the potential customers of ZLD technologies as well as research needs are highlighted. zero liquid discharge (ZLD) Austro Water Tech has an unparalleled deepness of experience in ZLD, which include greater than 200 installations, consisting of thermal/evaporative processes, membrane processes, or crossbreed systems. We aid business meet stringent zero liquid discharge demands at an affordable price point using sophisticated technology components. ZLD eliminates wastewater streams and at the end you have tidy water and also strong salt crystals. Combined with various other brine concentration innovations such as evaporators, crystallizers concentrate the wastewater to a strong that could be safely disposed of in a garbage dump or recouped as a beneficial byproduct for usage.