Turning Vapour into Value.

A new era of sustainable, thermally powered solutions for water recovery and industrial heat utilisation.

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Who We Are

Founded in 2005 through a technical collaboration between Italy's SWS and India's GB Engineering, Vapour Desal Technologies has grown into a specialist provider of thermal desalination, advanced vapour systems, and waste-to-energy engineering.


From vacuum vapour systems to low-temperature distillation projects for nuclear facilities and island deployments, our core strength lies in solving complex water and heat-recovery challenges through engineering depth, cost efficiency, and sustainable system design.


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VDT factory and engineering

Our Solutions — At a Glance

Thermal Desalination Systems

Heat-driven water recovery engineered for industrial reliability, using steam, solar, nuclear, and waste-heat sources. Our systems combine multi-effect distillation, low-pressure evaporators, and heat recovery to deliver dependable freshwater production.

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Waste to Energy Systems

Industrial waste streams converted into usable resources through engineered pyrolysis and circular process improvements. From ASME/PED compliant redesigns to ISCC supply chain enablement, these solutions support emissions compliance, resource recovery, and operational efficiency.

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Engineering Services

Precision engineering that supports every project stage, from custom pressure vessel design and 3D modelling to controlled fabrication, execution, and commissioning — creating industrial systems that perform reliably over the long term.

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Why Choose Vapour Desal?

Engineered for peak performance and industrial reliability.

  • 20+ years of thermal desalination experience
  • Projects executed for PSU, Government, and private clients across India and beyond
  • Proven installations in power plants, island systems, and nuclear facilities
  • In-house engineering team: pressure vessel design, 3D CAD, turnkey execution
  • Modular, scalable systems for varying salinity, capacity, and heat sources
  • Use of high-grade corrosion-resistant materials: Duplex SS, Titanium Grade 2, Cupro Nickel

Turning Vapour to Value

Converting complex thermal and water challenges into measurable industrial value.

20+

Years of Experience

1000+

m³/day Capacity Delivered

6+

Major Projects

95%

Guaranteed Availability

Featured Projects

ProjectLocationCapacity
RAMDASNarippaiyur, Ramanathapuram144 m³/day MED-TVC
NTPC SimhadriAndhra Pradesh120 m³/day LTF-MED
Lakshadweep Islands3 sites3 × 150 m³/day LTTD
OSCOM, IRELOdisha2 × 250 m³/day MED-TVC
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Who We Serve

We build systems for clients across public and private sectors.

Power Plants

Thermal and nuclear power plants

Coastal Communities

Island administrations & coastal regions

Industrial Users

Process water & industrial applications

Waste-to-Energy

Private process & pyrolysis plants

Flagship Technologies

Vacuum Vapour Generator (VVG)

Our proprietary innovation for high-efficiency flue gas and industrial waste heat recovery. It converts low-grade waste heat directly into usable vapour, eliminating complex hot water loops and turning unavoidable thermal losses into valuable freshwater.

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Multi Effect Distillation (MED)

Our core desalination technology — proven, scalable, and adaptable to multiple heat sources including solar, steam, waste flue gas and nuclear heat.

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Bring Us Your Engineering Challenge.

Our team partners with you from concept to commissioning, delivering engineered systems designed for reliability and long service life.

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