Zero Liquid Discharge (ZLD)
Wastewater Engineering Services for Zero Liquid Discharge (ZLD) in Bangladesh
Are you looking for an Zero Liquid Discharge (ZLD) consulting firm in Bangladesh? National Green Environment is one of the leading EIA consultancy firms based in Dhaka. You’ve come to the right place! We’re here to assist you with all your environmental assessment needs.
For top-notch consultancy services across Bangladesh—especially in Dhaka, Chittagong, Gazipur, Sylhet, Rangpur, Barisal, Khulna, and beyond—please reach out to us.
Looking for Efficient Wastewater Engineering Solutions?
Zero Liquid Discharge (ZLD) Process
Zero Liquid Discharge (ZLD) is an advanced wastewater treatment approach designed to eliminate liquid waste and maximize water recovery.
– Pre-Treatment
Removal of solids, oil, and initial contaminants
– Primary & Secondary Treatment
Physical, chemical, and biological treatment of wastewater
– Advanced Filtration
Membrane processes like UF/RO for high purification
– Evaporation & Crystallization
Concentrating wastewater and converting it into solid residues
– Water Recovery & Reuse
Recycling treated water for industrial use
Key Components of ZLD System
- Pre-treatment units (screening, coagulation)
- Biological treatment system
- Membrane filtration (UF/RO)
- Evaporator system
- Crystallizer unit
- Sludge handling system
- Storage and reuse system
- Monitoring & control system
Why ZLD is Required
- Zero Waste Discharge
Eliminates liquid discharge to the environment - Regulatory Compliance
Meets strict environmental standards - Water Conservation
Maximizes water recovery and reuse - Sustainable Industrial Practice
Reduces environmental impact and supports resource recovery