Water - Spray Engineering Devices Ltd

ZLD (Zero Liquid Discharge)What we do

ZLD systems help industries meet environmental regulations by reducing pollution, lowering freshwater consumption, and promoting resource recovery.

SEDL’s advanced equipment, including LTE, FCE, and Paddle Dryers, ensures cost-effective and efficient performance.

With applications across sectors like chemicals, pharmaceuticals, textiles, and mining, SEDL’s ZLD solutions support sustainable industrial growth and water conservation.

About SEDL’s ZLD Process

Pre-Filtration System

Effluent is slightly treated by removing dirt, oil, and balancing pH, then sent to an evaporator to recover clean water.

Evaporation Stage

In the first stage, the MVR-based LTE® evaporator removes excess water and recovers it efficiently using minimal energy or utility.

Crystallization

After maximum recovery in LTE®, the concentrated effluent enters the FCE to reach salt saturation, lowering dryer moisture and cost.

Drying Stage

In the final ZLD stage, remaining moisture is evaporated, forming dry powder, ensuring complete Zero Liquid Discharge with no effluent release.

Our Equipment for Water Refineries

MVR Based LTE

SEDL’s patented MVR-based Low-Temperature Evaporator uses vacuum technology to boil fluids below normal temperatures. It operates without continuous external steam, recovers clean water from wastewater, reduces volume significantly, and provides a sustainable, cost-effective solution for plant reuse.

FCE (Forced Circulation Evaporator)

The Forced Circulation Evaporator (FCE) is ideal for handling liquids that tend to scale or crystallize, especially during final evaporation stages. It ensures continuous flow,prevents fouling, and maintains heat transfer efficiency for consistent and reliable processing performance.

Paddle Dryer

SEDL’s paddle dryer uses indirect conduction heating, ideal for drying thermally stable materials like pastes, powders, and granules. It ensures uniform drying with efficient heat transfer and minimal energy loss.

MVR Based Stripper Column

SEDL’s advanced stripper columns operate efficiently at low delta pressure, supporting solvent recovery, pollutant removal, and ZLD, offering high performance in resource recovery and environmental compliance across industrial applications.

Leading companies rely on Spray

Awards &Recognition

AWARDS

National Award for Excellence in Water Management 2019

September 19, 2019, Spray Engineering Devices won the 2019 National Award for Excellence in Water Management for its Low Temperature Evaporation Technology.