About US

We, Siddhi Vinayak Engineering are a renowned Spray Dryer, Flash Dryer, Spin Flash Dryer, Evaporator, Fluid Bed Dryer, Blowers, Feeding Systems, Hot Air Generator, Vibratory Fluid Bed Dryer manufacturer, exporter, supplier and service provider. These...

READ MORE

Contact Info

Call Now

+91 9510061508

919898767079, +917948905756

Email Now

siddhivinayakengg12@gmail.com

Location

Plot No. 235, Pushpam Industrial Estate, Nika Tube Compound, Phase - I, GIDC, Vatva, Ahmedabad - 382445, Gujarat, INDIA.

Zero liquid discharge wastewater treatment

Zero liquid discharge wastewater treatment


Zero Liquid Discharge (ZLD) Wastewater Treatment

Zero Liquid Discharge (ZLD) Wastewater Treatment


Introduction

Looking for a proven Zero Liquid Discharge (ZLD) wastewater treatment solution that eliminates liquid effluent and maximizes water recovery? Siddhi Vinayak Engineering delivers integrated ZLD systems combining pretreatment, membrane concentration, thermal evaporation, and crystallization to help industries meet the most stringent discharge norms while cutting freshwater intake and sludge handling costs.


Description

A ZLD plant recovers reusable permeate from complex effluents and converts the remaining brine into solid crystals for safe disposal or resource recovery. Our engineered trains typically include clarification/DAF, MBR/UF, RO/DTRO, multi-effect evaporator (MEE) with thermal vapour recompression, and agitated thin film dryer (ATFD) or crystallizer—optimized through mass balance, fouling control, and heat-integration to deliver stable, energy-efficient operations.


Applications and Benefits

Applications Benefits
  • Textile & dyeing effluents with high TDS, color, and surfactants
  • Chemicals & APIs: solvent-laden, high COD/BOD wastewater
  • Power & metals: cooling tower blowdown, FGD wastewater
  • Food & beverages: CIP wash, process brines, condensate polishing
  • Land-locked sites requiring zero discharge compliance
  • Up to 95–99% water recovery for reuse in utilities and process
  • Near-zero liquid emission: only dry salts/solids leave the facility
  • Lower freshwater dependency and reduced discharge liabilities
  • Optimized OPEX via scaling control, energy recovery, and automation
  • Compliance with CPCB/SPCB norms and sustainability targets

Key Features of ZLD Systems

  • Modular trains: clarification/MBR/UF → RO/DTRO → MEE/TVC → ATFD/crystallizer
  • Advanced anti-scaling, pH control, and CIP protocols to minimize fouling
  • High-efficiency heat exchange, vapour recompression, and condensate recovery
  • Corrosion-resistant metallurgy and SS product contact parts where required
  • PLC-HMI with recipe management, alarms, historian, and remote diagnostics
  • Brine management optimized for variable load, salinity, and organics
  • Waste-to-value options: salt recovery, by-product segregation
  • Compact layout with skid-mounted modules for fast installation

Where ZLD Is Used

  • Textiles & Dyes: Color and TDS removal with high permeate reuse in processes
  • Chemicals & Pharma: High-COD streams, mother liquors, and complex brines
  • Power, Steel & Mining: Blowdown concentration and metals control

Why Choose Us?

With 12+ years of process engineering and 250+ installs, Siddhi Vinayak Engineering designs ZLD plants backed by piloting, treatability studies, and lifecycle service. We deliver predictable performance—permeate quality, salt dryness, steam economy—validated through FAT/SAT and site commissioning.


Uses & Importance

ZLD safeguards groundwater and surface ecosystems, eliminates the risk of liquid discharge non-compliance, and unlocks sustainable reuse. It turns wastewater into a managed resource: permeate for utilities and solids for responsible disposal or recovery—supporting ESG goals and long-term operational resilience.


Manufacturer & Supplier Information

Siddhi Vinayak Engineering, Ahmedabad, engineers and supplies ZLD wastewater treatment solutions along with RO/UF systems, MEEs, ATFDs, evaporators, dryers, hot air generators, and allied equipment. Contact us to evaluate loads, select metallurgy, and configure the right brine management strategy for your site.

FAQs

1. What is the typical ZLD process flow?
Primary/secondary treatment → membrane concentration (RO/DTRO) → thermal evaporation (MEE/TVC) → solids production via ATFD/crystallizer, with permeate reuse and dry salts disposal.
2. Can ZLD handle variable TDS and shock loads?
Yes. Buffer tanks, equalization, robust pretreatment, and adaptive dosing/CIP routines stabilize the plant against swings in salinity and organics.
3. How is energy consumption optimized?
Through heat-integration, TVC/MVR options, condensate reuse, and scaling control that maintains high heat-transfer coefficients in evaporators.
4. What permeate quality can be achieved?
Permeate typically meets utility/process reuse specs; final polishing can be added when specific conductivity or microbial targets are required.
5. What about O&M and lifecycle support?
We provide SOPs, training, spares, AMC, and remote monitoring for predictable uptime and compliance.

Conclusion

Choose Siddhi Vinayak Engineering for reliable ZLD wastewater treatment systems that deliver high water recovery, stable operation, and assured compliance—tailored to your effluent matrix and sustainability goals.


Contact Details

Talk to our specialists today for tailored solutions and fast assistance.

Phone:

+91 9510061508

WhatsApp: Chat on WhatsApp
Address:

Plot No. 235, Pushpam Industrial Estate, Nika Tube Compound, Phase - I, GIDC, Vatva, Ahmedabad - 382445, Gujarat, INDIA.