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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
A silo is a specialized structure for storing bulk materials such as grain, coal, cement, carbon black, wood chips, and food products. Storage silos are essential equipment in manufacturing, agriculture, mining, and food processing industries.
Raj Process is a leading manufacturer of storage silos in India, offering durable and efficient designs tailored to meet the specific needs of diverse industries. Built with highquality materials and advanced manufacturing techniques, our silos are engineered to withstand harsh industrial environments while ensuring product safety and quality.
Storage Silo Solutions
Raj Process silos are designed to prevent contamination and maintain product integrity. With expertise in spray drying and powder handling, we also provide advanced egg powder production plants capable of drying whole egg, yolk, and albumen. To ensure optimal product quality, separate dryers are recommended for each product type.
Typical Applications
Foodstuffs and flour silos
Chemical silos
Coal silos
Cement and fly ash silos
Grain silos
Ceramic powder silos
Features
Available in bolted, smoothwall, and welded designs
Material options: epoxycoated carbon steel, stainless steel, carbon steel with stainless steel cladding, carbon steel with FRP coating
Designed for durability and safe operation under demanding conditions
Customizable to integrate seamlessly into existing process setups
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
Raj Process is one of the leading instruments and control panel manufacturers in India, delivering reliable and customized solutions for industrial automation and process monitoring. Our panels are manufactured as per international standards, with ingress protection ranging from IP42 to IP67, ensuring durability and safety in demanding environments.
Instruments & Control Panel Manufacturer in India
We manufacture both flameproof and nonflameproof panels, constructed from carbon steel or stainless steel. Stainless steel panels are finished up to 420 grit, while carbon steel panels are powdercoated using a seventank process for longlasting protection.
Raj Process instruments are designed to provide accurate monitoring and control of parameters such as temperature, pressure, flow rate, and level. Our control panels are highly reliable, easy to operate, and ideal for a wide range of industrial applications.
Product Range
Temperature controllers
Sequential timers
VFD (Variable Frequency Drive) panels
By integrating advanced technology and sophisticated control systems, Raj Process enhances operational efficiency, safety, and automation across industries. Precise monitoring and adjustment of parameters ensure optimized performance and quality control.
Applications
Pharmaceutical industry
Food & beverages
Chemical industry
Cement industry
Ceramic industry
Fertilizers
Minerals
Biochemicals
Features
Simple operation
Sturdy construction
Safe and reliable
Low maintenance
Durable design
Withstands extreme weather conditions
Electrical & Automation
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