One of the most important global issues today is freshwater scarcity, which is a serious danger to ecosystem health, water security, and economic prosperity.
Climate change, the demands of economic expansion, and the pressures of industrialization all contribute, to the difficulty of supplying enough and safe drinking water. Both the public and industrial sectors use a sizable amount of freshwater, while generating a sizable amount of wastewater.
Wastewater discharge into the aquatic environment without proper treatment, results in severe contamination that has a negative impact on aquatic ecosystems and public health.
Let’s look at zero liquid discharge treatment plants.
What is the zero liquid discharge plants?
A wastewater management technique known as zero liquid discharge (ZLD), aims to completely remove all liquid waste from leaving the plant or facility boundaries, with the bulk of water being recovered for reuse.
ZLD strikes a balance between the use of freshwater resources, and the protection of aquatic environments by eliminating the danger of pollution, associated with wastewater discharge and increasing water usage efficiency.
However, achieving ZLD is typically associated with high cost and heavy energy use. ZLD has so been used sparingly and has long been regarded as being unviable.
Components of ZLD
A brine concentrator, followed by a brine crystallizer or an evaporation pond, is generally used to evaporate wastewater in ZLD systems, which are based on standalone thermal processes.
In ZLD systems, the generated solids are either transferred to a landfill, or recovered as valuable salt by-products, while the condensed distillate water is collected for reuse.
Applications of ZLD
There are many different sources for discharge flow streams, some of them are as follows:
1. Blowdown of cooling towers at factories and power plants
2. Ion exchange regeneration streams, specifically in the preparation of food and beverages
3. Desulfurization of flue gases and moist wastewater stream
4. Municipal wastewater streams and potable water systems
5. Reusing agricultural, industrial, and municipal streams for processing purposes
6. A variety of industrial effluent streams from the textile, coal-to-chemical, food-and-beverage, battery, and so on
The pattern of ZLD systems
Industries now favour ZLD for wastewater treatment due to its reduced, impact on the environment. ZLD aims to produce solid waste during the entire process while retaining and recycling, as much water as is practical.
For a number of specific reasons, every industry, facility, and on-site team, implements ZLD programmes. The results with these solutions demonstrate excellent economics, corporate responsibility, and environmental care, regardless of the reasons a company wishes to reach ZLD.
ZLD from Netsol Water
With a Zero Liquid Discharge (ZLD) system accessible, every industry, no matter how big or little, may achieve their goals. In order to deliver ZLD to the client in line with their requirements, we fully assume responsibility for the installation, commissioning, operation, and routine maintenance of our equipment. This shows how confident we are in our technology.
We handle the full life cycle of the equipment, allowing the client to focus on his main line of business. Actually, we give our customers the choice to upgrade the system.
What else we can do to help?
We are a leading producer of water, wastewater, sewage, ZLD, and effluent treatment plants. We offer affordable, individualized solutions for all water and wastewater issues.