What Are the Challenges of Implementing ZLD in Small-Scale Industries? Zero Liquid Discharge is gaining ground as an objective for industrial wastewater treatment. It assures that there is no liquid waste that is released into the environment, promoting sustainability and resource recovery. ZLD is slowly being implemented by large-scale industries, but small-scale industries cannot. Visit the link for more information: https://www.netsolwater.com/what-are-the-challenges-of-implementing-zld-in-small-scale-industries.php?blog=7033