Zero Liquid Discharge Treatment Plant Manufacturer | Advanced ZLD Treatment Solutions
Water Pure Filteration is one of the Leading Zero Liquid Discharge Treatment Plant Manufacturer in India. offering advanced water treatment solutions designed to purify and recycle industrial wastewater with zero liquid discharge at the end of process. Our Zero liquid discharge plant is usually used in industries such as hospitals, textiles, pharmaceuticals, power plants, chemicals, and food processing.
Water Pure Filtration offers advanced thermal and non-thermal Zero Liquid Discharge (ZLD) solutions for effective wastewater management. Our range of equipment, including evaporators, brine concentrators, and crystallizers, enables recovery of up to 90% of wastewater, converting the remaining residue into reusable products or solid waste. Water Pure Sievers systems and analyzers ensure precise monitoring and control of water quality, making the recycled water suitable for critical applications such as semiconductor manufacturing.
Zero Liquid Discharge Plant Manufacturer | Sustainable & High-Efficiency ZLD Systems for Industries
A Zero Liquid Discharge (ZLD) Plant Manufacturer in Ahmedabad specialises in designing and supplying advanced wastewater treatment solutions that enable complete recycling of industrial effluents with zero liquid release into the environment. These systems combine technologies such as reverse osmosis, evaporation, crystallisation, ultrafiltration, and filtration to recover high-quality reusable water and valuable by-products while complying with strict environmental norms. Indian manufacturers are recognised for providing cost-effective, customised ZLD solutions for industries including textiles, pharmaceuticals, chemicals, and power generation, supporting both domestic and international sustainability goals.
Zero Liquid Discharge plants utilise an integrated treatment approach to efficiently separate and remove contaminants from wastewater. Engineered for high performance and long-term durability, these ZLD systems are designed to recover and recycle up to 100% of wastewater, leaving only solid waste for disposal. By ensuring maximum water recovery and total regulatory compliance, ZLD plants help industries achieve eco-friendly operations and responsible water management.
What Is Zero Liquid Discharge and How Does It Work?
Not every industrial facility that generates wastewater requires a Zero Liquid Discharge (ZLD) plant. ZLD is often considered a last-option solution due to its complex process and high initial investment. However, for industries operating in regions with severe water scarcity or facing high wastewater discharge costs, ZLD can be a valuable and sustainable choice. While it may not always be mandatory—except where local or national regulations require it—facilities should thoroughly assess operational, environmental, and cost benefits before implementing a ZLD system.
What is a zero liquid discharge treatment system?
A ZLD treatment system utilizes advanced technological water treatment processes to limit liquid waste at the end of your industrial process to, as the name suggests, zero.
An efficient and well-designed ZLD treatment system should be able to:
● handle variations in waste contamination and flow
● allow for required chemical volume adjustments
● recover around 95% of your liquid waste for reuse
● treat and retrieve valuable byproducts from your waste (i.e. salts and brines)
● produce a dry, solid cake for disposal
A ZLD treatment system will also help your facility meet stringent effluent requirements, such as the U.S. Environmental Protection Agency’s Steam Electric Power Generating Effluent Guidelines. Just keep in mind your facility’s requirements will vary based on whether you are discharging into a publicly owned treatment works (POTW) or to the environment under a National Pollutant Discharge Elimination System (NPDES permit).
What's included in a basic ZLD treatment system?
A standard Zero Liquid Discharge (ZLD) treatment system consists of pre-treatment units, filtration systems, brine concentrators, evaporation, and crystallization units. These integrated components treat industrial wastewater, recover and reuse maximum water, and transform residual waste into solid form for safe disposal, ensuring compliance with environmental norms and minimal environmental impact.
● clarifier and/or reactor to precipitate out metals, hardness, and silica
● chemical feed to help facilitate the precipitation, flocculation, or coagulation of any metals and suspended solids
● filter press to concentrate secondary solid waste after pretreatment or alongside an evaporator
● ultrafiltration (UF) to remove all the leftover trace amounts of suspended solids and prevent fouling, scaling, and/or corrosion down the line of treatment
● reverse osmosis (RO) to remove the bulk of dissolved solids from the water stream in the primary phases of concentration
● brine concentrators to further concentrate the reject RO stream or reject from electrodialysis to further reduce waste volume
● evaporator for vaporizing access water in the final phases of waste concentration before crystallizer.
● crystallizer to boil off any remaining liquid, leaving you with a dry, solid cake for disposal
Depending on the needs of your plant and process, these standard components are usually adequate, however, if your plant requires a system that provides a bit more customization, there might be some features or technologies you will need to add on. Because of the broad range of industries that use ZLD and the various waste streams produced, ZLD is a highly custom process and these add ons will depend on your facility’s individual needs.
How does a ZLD treatment system work?
A Zero Liquid Discharge treatment system is engineered to eliminate liquid waste from industrial facilities by recycling, reusing, and recovering water from wastewater streams. The remaining contaminants are converted into solid waste, ensuring complete environmental compliance. While treatment methods may differ depending on industry and application, a typical ZLD facility generally follows a series of well-defined steps to achieve total wastewater recovery and safe disposal.
Water Pure Filteration has over 40 years’ experience custom-designing and manufacturing wastewater treatment systems, so please feel free to reach out to us with your questions. For more information or to get in touch, contact us here. You can also visit our website to set up a call with an engineer or request a quote. We can walk you through the steps for developing the proper solution and realistic cost for your ZLD wastewater treatment system needs.
ZLD PLant Specifications
| Brand | Water Pure Filtration |
|---|---|
| Recycle Rate | Up to 98% |
| Flow Rate | 10 – 500 m3/day |
| Water Out Conductivity | <10 S/cm |
| Noise Level | <70 dB(A) |
| Water In Conductivity | 500 – 5000 S/cm |
| Usage & Applications | Industrial Effluent; Wastewater Treatment |
| Efficiency (%) | >95% |
| pH Level | 6.5 – 8.5 |
| Feature | High recovery; energy efficient; compact design |
| Technology | RO; MEE; ATFD; UF; NF integrated |
| Frequency | 50 Hz |
| Pump Type | Centrifugal / High Pressure |
| Power Consumption | 45-100 kW (varies with capacity) |
| Water Source | Ground Water |
| Purity Level | Up to 99% |
| Automatic Grade | Full Automatic |
| Voltage | 415V AC |
| Product Type | Zero Liquid Discharge Plant |
| Material | Mild Steel / SS304 / FRP |
| Power Source | Electric |
| Volume | Customizable as per design |
| Drive Type | Electric |
| Filter Type | Cartridge / Multimedia / UF |
| Capacity | 10 KLD – 500 KLD |
Frequently Asked Questions (FAQ)
What is a Zero Liquid Discharge (ZLD) Plant?
A ZLD Plant is an advanced wastewater treatment system that ensures complete elimination of liquid waste by recovering and reusing water, leaving only solid residues.
Why is ZLD technology important?
It helps industries comply with environmental regulations, conserve water, and reduce pollution by preventing harmful effluents from entering natural water bodies.
How does a ZLD Plant work?
The process involves pretreatment, reverse osmosis, evaporation, and crystallization to recover clean water and convert waste into solids for safe disposal or reuse.
Which industries benefit from ZLD Plants?
Textile, chemical, pharmaceutical, power generation, and food processing industries commonly adopt ZLD systems to manage high-salinity effluents and meet discharge norms.
Is ZLD suitable for all industrial facilities?
Not always. ZLD is typically implemented where discharge regulations are strict or water reuse is critical. It requires careful cost-benefit analysis due to its complexity and investment.