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Raj Process Equipments & Systems Pvt. Ltd. is one of the leading Zero Liquid Discharge (ZLD) plant manufacturers in India, delivering turnkey solutions to treat, recycle, and recover industrial wastewater. Our ZLD plants ensure 100% wastewater recovery, enabling industries to comply with environmental regulations while optimizing resources and supporting sustainable operations.
What is Zero Liquid Discharge (ZLD)?
ZLD is an advanced wastewater treatment process where effluent streams are treated, purified, and reused—ensuring no liquid waste is discharged into the environment. It provides a closed-loop solution, converting wastewater into reusable water and recovering valuable by-products such as salts and chemicals.
Industries face increasing pressure from water scarcity, pollution control norms, and sustainability mandates. ZLD systems help meet these challenges while reducing environmental impact.
Turnkey ZLD Plant Solutions by Raj Process
Raj Process offers custom-engineered ZLD solutions for:
Distilleries & Ethanol Plants
Sugar Mills
Pharmaceuticals & Chemicals
Textiles & Dyeing Units
Food & Beverage Processing
Palm Oil Mills (POME)
Power Plants & Refineries
Key Process Flow
1.Collection & Flash Mixing → Effluent collected and treated with alum, lime, and polyelectrolytes.
2.Flocculation & Clarification → Suspended solids removed via flocculation tanks and settlers.
3.Evaporation & Concentration → Multiple Effect Evaporators (MEE) concentrate dissolved solids; vapors condensed into reusable water.
4.Crystallization & Drying → Salts crystallized and dried for reuse or safe disposal.
Raj Process ZLD Technology Advantages
Handles diverse effluents: spent wash, POME, textile dye waste, RO rejects, pharma effluents, etc.
Advanced separation systems: evaporation, crystallization, membrane filtration.
Compact modular design: skid-mounted units up to 1,000 KLD.
Integrated process control: PLC/SCADA automation for safe, optimized operations.
High recovery rates: up to 95–98% water recovery.
Custom-tailored solutions for industry-specific effluent profiles.
Specialized ZLD Solutions
1. ZLD for Spent Wash Drying (Distilleries & Ethanol Plants)
MEE concentrates spent wash
Spray/rotary dryers achieve complete drying
Condensate reused in fermentation or utilities
Meets CPCB & SPCB norms
2. ZLD for POME (Palm Oil Mill Effluent)
Biological treatment + MEE for volume reduction
High-quality water recovered for milling reuse
Residual organics converted into biogas for captive power
3. Sludge Dryer Integration
Paddle, rotary, or flash dryers reduce sludge volume by up to 80%
Generates solid, dry sludge for safe disposal or reuse
Features of Raj Process ZLD Plants
Capacities: 1 KLD to 10,000 KLD
High steam & power economy with energy recovery systems
Compact footprint for space-limited facilities
Robust construction: stainless steel, duplex steel, Inconel, Hastelloy
Skid-mounted options for easy transport and installation
PLC-controlled automation with real-time monitoring
Pure condensate recovery for direct reuse
Benefits of Choosing Raj Process ZLD Plants
Regulatory Compliance → Meets CPCB, SPCB, and global environmental guidelines
Water Reuse → Saves up to 95% freshwater consumption
Cost Savings → Reduced waste management and landfill costs
Energy Integration → Reuse of recovered heat and water
Resource Recovery → Generates reusable salts and by-products
Sustainable Operations → Supports net-zero and circular economy goals
Industries We Serve
Distilleries & Ethanol Plants
Palm Oil Mills (POME treatment)
Pharmaceuticals & Chemicals
Textiles & Dyeing Units
Food & Beverage Processing
Power Plants & Refineries
Raj Process is a leading HT (High Tension) panels manufacturer in India, offering highquality, compact outdoortype systems widely used across industries. HT panels are equipped with circuit breakers or switch fuses to protect equipment from sudden voltage fluctuations, ensuring safe and reliable power distribution.
Reliable Construction
Fabricated using premium materials, Raj Process HT panels deliver long functional life, durability, and effective performance. Panels are manufactured with ingress protection ranging from IP42 to IP67, available in both flameproof and nonflameproof variants. Carbon steel panels are powdercoated using a seventank process for enhanced durability and finish.
Customization
Raj Process offers HT panels tailored to meet the specific requirements of different industries. Constructed with highgrade components, these panels ensure energyefficient, safe, and uninterrupted power supply for industrial applications.
Applications
Process automation and control
Steel plants
Sugar plants
Cement plants
Dairy plants
Vegetable oil refineries
Packaging industry
Textile industries
Paper industries
Distilleries
Powder plants
Factory automation
Sand plants
Material handling systems
Features
Fully automatic system for smooth and easy operation
Sterile construction to maintain hygiene standards
Energyefficient design
PLCcontrolled SCADA operation for advanced monitoring
Compact design with optimal space utilization
Carefully selected materials of construction for durability
Complete sanitary design with CIP (CleaninPlace) system
Raj Process provides superior quality LT (Low Tension) Panels designed for optimal power usage and reliable industrial power distribution. Built to withstand demanding environments, our panels are fully impervious to dust and rodents, ensuring safe and uninterrupted operations.
Available in drawout or fixed type executions, Raj Process LT panels are engineered to meet highperformance requirements across industries.
Technical Specifications
Power Control Centers: Up to 4000A rating
Operating Voltage: Up to 415V in threephase, fourwire distribution systems
Insulation Voltage: Up to 660V at 40°C ambient temperature
ShortCircuit Withstand Capacity: 50 kA (typetested)
Switchboards: Single front design with fixed or semidrawout configurations
Ingress Protection: Ranging from IP42 to IP67 (flameproof and nonflameproof versions)
Material Options: Carbon steel (powdercoated via seventank process) or stainless steel (finished to 420 grit)
Applications
Pharmaceutical industry
Food processing
Chemical industry
Fertilizers
Ceramic industry
Minerals
Biochemicals
Cement industry
Features
Sturdy construction for durability
Safe and reliable operation
High performance under demanding conditions
Corrosion resistance for long service life
Low maintenance requirements
Raj Process is a leading manufacturer of A.C. & D.C. drive control panels, engineered to deliver efficient control and smooth operation of industrial machinery. Designed with advanced technology, our panels ensure reliable performance, energy savings, and longterm durability across diverse applications.
D.C. Drive Panels
Raj Process D.C. drive panels are ideal for powerintensive applications such as power plants, refineries, steel mills, and sugar mills.
Power ratings: 7.5 KW to 750 KW
Energy savings: Up to 30%
Reliable control over D.C. motors for constant speed operation
Smooth and consistent performance under demanding conditions
A.C. Drive Panels
Our A.C. drive panels efficiently regulate motor speed, making them suitable for:
Pumps
Fans
Conveyors
Mixers
Mechanical equipment requiring precise speed control
Raj Process designs these panels with highperformance motor control systems, converting electrical energy into mechanical output to meet diverse industrial requirements.
Applications
Heavy machinery
Automotive industry
Electronics and telecommunications
Operations requiring high accuracy of movement
Processes demanding maximum stability in motor RPM/speed
Features
Shockproof design for safety
Sturdy construction for durability
Compact design with polished finish
Speed control or constant speed operation
Reliable performance with low maintenance
Electrical & Automation
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