Industries with highly
contaminated wastewater
Plating, textile dyeing, chemical and pesticide manufacturing, electronics, and steel and foundry plants.
Manufacture & Supply Zero Discharge Systems
with Complete Equipment
Complete design and manufacturing of Zero Liquid Discharge (ZLD) systems, turning process wastewater into clean water for reuse and cutting discharge, for plants of every size.
When treated wastewater
isn’t clean enough to discharge
Plants must rely on specialised treatment and off-site disposal. Plating, dyeing, and chemical plants with concentrated wastewater pay well above average.
Hydrosys designs, manufactures, and supplies Zero Liquid Discharge (ZLD) systems matched to your wastewater. Our vacuum evaporators separate clean water from waste, sharply cutting disposal volumes.
Reduce wastewater disposal costs
Comply with environmental regulations
Turn effluent back into usable water
Zero Discharge System Reach zero discharge with
Reach zero discharge with
a ZLD system
A Zero Liquid Discharge (ZLD) system separates clean water from waste by evaporation and condensation, enabling reuse, minimising waste, and cutting wastewater costs by up to 15×.
01
Wastewater that can’t be discharged
Treated wastewater that still can’t be released under regulations, or carries high disposal costs.
02
Separate water from waste
with ZLD
Evaporation and condensation separate water from concentrated waste, cutting waste volume dramatically.
03
Achieve zero liquid discharge
Return the water to production, leaving only a little concentrated waste or dry powder for disposal.
Why Hydrosys What Sets Hydrosys
What Sets Hydrosys
ZLD Systems Apart
We design and manufacture Zero Liquid Discharge systems for industrial plants, selecting the right technology for each type of wastewater — reducing wastewater volume, increasing water reuse, and supporting long-term sustainability goals.
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The system operates under vacuum (-1 bar), so water boils at roughly 35°C. No additional steam infrastructure to invest in — simply plug it in and it’s ready to run.
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Factory-assembled units that install and pipe up quickly, with no extra structures or support systems to build.
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The system’s installation layout and operation can be tailored to your site constraints, wastewater volume, and each plant’s operating profile.
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Reduces effluent discharge, increases water recirculation within the plant, and supports business practices aligned with long-term sustainability goals.
Our Solutions
Industries suited to Zero Liquid Discharge (ZLD)
Built for factories with highly concentrated wastewater, strict effluent discharge limits, or water reuse goals, reducing costs and long-term environmental impact.
Industries with highly
Industries in zero-discharge
zones
Sites near communities, green zones, or water supply sources, plus factories with ESG policies or sustainability commitments.
One-Stop Service From consultation
From consultation
to after-sales care
Hydrosys covers design through after-sales support, so your system runs efficiently, meets standards, and delivers a solid return.
Consultation
Wastewater analysis and system design by specialist engineers.
System manufacturing
Custom-built: materials, sizes, and functions matched to your wastewater.
Import & distribution
World-class equipment imported and delivered straight to you.
After-sales service
Ongoing care and maintenance by our expert technicians.
Comparison
Choose the right ZLD model for your plant
Both ZLD models use vacuum evaporation, differing in how far they reduce wastewater. Choose to match your plant’s goals.
Recommended
Vacuum Scraper Crystallizer
Concentrates wastewater until the waste crystallises, recovering clean water and crystals for disposal.
85–95% Concentrated wastewater reduction
- Cuts disposal costs by up to 15×
- Ideal for full-scale ZLD
- Solids or crystals that are easy to handle
Economy option
Vacuum Evaporator
Evaporates water out of wastewater for reuse. The remaining waste stays a concentrated liquid.
70–90% Concentrated wastewater reduction
- Cuts disposal costs by up to 10×
- Suited to general applications
- Lower upfront budget
Free Wastewater Testing
Plus Backup Equipment Rental
Send a wastewater sample for free lab testing and we will match the right equipment. Rental units keep your system running during maintenance.
Our Process Ordering a Custom
Ordering a Custom
ZLD System
We manage every step, from wastewater analysis and system design to production, installation, and commissioning by specialist engineers.
01
Consult & Analyze
Tell us your on-site problem for an initial consultation and system assessment from our engineers.
02
Free Wastewater Lab Testing
We analyze your plant’s wastewater in the lab to select the most suitable treatment method.
03
System Design & Spec Selection
We design the system and select equipment to match your wastewater characteristics.
04
Quotation
We calculate costs and prepare a quotation with full specifications for your review.
05
Contract & Production
Once design and price are agreed, sign the contract and place the order; production then begins.
06
Delivery
When production is complete, we deliver the machinery to your site.
07
After-Sales Care
Covered throughout the warranty period, typically one year (or as stated in the contract). If anything goes wrong, our team is ready to help.
Find Your Solution Need the Right Solution
Need the Right Solution
for Your Plant?
Hydrosys designs, manufactures, and supplies end-to-end water treatment systems for a wide range of wastewater challenges, keeping water management cost-effective.
Large sludge volumes from your system
Reduce sludge volume, plus hauling and disposal costs, with sludge dewatering and drying systems.
Existing system fails effluent standards
If BOD, COD, or TSS levels still exceed the limits, an advanced treatment system can boost performance.
Cut water costs and reuse your water
Turn effluent back into a resource with a Water Reuse & Recycling system.
Cut the cost of treating the same water twice
Avoid the expense of ill-suited equipment with a treatment system that handles high volumes right from the source.
Case Study Industries That Trust
Industries That Trust
Hydrosys
For over 30 years, industrial plants across many sectors have trusted Hydrosys to design, install, and maintain efficient, cost-effective wastewater treatment systems.
30+ Years of Experience
FAQ
Still Have Questions? Ask Us Common Questions
About our wastewater treatment
systems and related equipment
What is a Zero Discharge System?
A Zero Discharge System lets a plant stop discharging wastewater off-site. It separates the stream into clean distilled water that can be reused and a much smaller volume of concentrate or dry powder — cutting both cost and the burden of wastewater disposal.
How does it differ from a conventional treatment system?
A conventional system treats wastewater into "effluent" and then discharges it or sends it away for disposal, because it still cannot be returned to production. A Zero Discharge System reuses everything instead, releasing no liquid from the plant — only a small amount of concentrate or dry powder for disposal.
How much does it reduce wastewater volume?
Typically it cuts the wastewater sent for disposal by around 70–95%, depending on the type of wastewater and the equipment selected.
Can the recovered water be reused?
Yes. The treated water is very clean and can go back into production lines, washing systems, or other reuse within the plant.
Does HYDROSYS install the equipment as well?
Yes — our engineering team handles installation, start-up, and commissioning until the machine is fully operational, with after-sales care and maintenance to follow.