Avnee Enviro Solutions

An Effluent Treatment Plant (ETP) in pharmaceutical companies is a specialized system designed to treat wastewater generated during drug manufacturing processes before it is discharged into the environment or reused.

Pharmaceutical wastewater is complex and highly contaminated, containing chemicals, solvents, antibiotics, organic compounds, and active pharmaceutical ingredients (APIs). Because of this, pharma ETPs are usually more advanced than typical industrial ETPs.

Sources of Wastewater in Pharmaceutical Industry

Wastewater is generated from several operations:

Drug manufacturing processes

Equipment and reactor cleaning

Laboratory operations

Raw material washing

Cooling water and boiler blowdown

Floor washing and sanitation

These streams may contain toxic and non-biodegradable chemicals.

Characteristics of Pharmaceutical Effluent

Typical properties of pharma wastewater include:

High COD (Chemical Oxygen Demand)

Moderate to high BOD (Biochemical Oxygen Demand)

Toxic organic compounds

Solvents and chemicals

Color and odor

Variable pH

Presence of antibiotics and APIs

Because of these contaminants, advanced treatment methods are often required.

 

Importance of Pharma ETP

Prevents toxic chemicals entering water bodies

Meets pollution control regulations

Protects public health and ecosystems

Allows water recycling in the plant

Supports sustainable pharmaceutical production

An Effluent Treatment Plant (ETP) is a facility that treats industrial wastewater to remove contaminants and pollutants using physical, chemical, and biological processes before the water is discharged into the environment or reused. ETPs are crucial for industries to prevent water pollution, protect ecosystems, and comply with environmental regulations by producing a safe wastewater stream and solid waste. They serve various industries like textiles, chemicals, pharmaceuticals, and food processing, removing substances such as heavy metals, oils, and organic matter.  

A Sugar Condensate Polishing Unit (CPU) is a specialized water treatment system that removes impurities from condensate water produced in the sugar manufacturing process, enhancing its quality for reuse in cooling towers or other non-critical uses. It typically involves filtration and advanced treatment methods like ion exchange, activated carbon, or membrane filtration to eliminate suspended solids, dissolved salts, organic matter, and contaminants such as ammonia, preventing issues like cooling circuit blockages and algal formation. 

Our Prefabricated Effluent Treatment Plant (ETP) is a compact, factory-engineered wastewater treatment solution designed for efficient removal of contaminants from industrial effluents. Manufactured under controlled conditions and fully tested prior to dispatch, the system ensures consistent quality, faster installation, and reliable long-term performance.

The prefabricated design minimizes on-site civil work, reduces installation time, and lowers overall project costs while maintaining high treatment efficiency and regulatory compliance.

Working Principle

The Prefabricated ETP is designed to treat industrial wastewater through a combination of physical, chemical, and biological treatment processes. The exact process configuration is customized according to the wastewater characteristics and discharge standards.

Structural Configuration

Our Prefabricated ETP Plants are available in:

Skid-Mounted Modular Units

FRP / MS / SS Fabricated Tanks

Containerized Plug-and-Play Systems

Fully Enclosed Compact Units

The entire system is pre-engineered and assembled in our manufacturing facility, ensuring precision fabrication and quality control.

Key Features

Factory-built and performance-tested

Reduced civil construction requirements

Compact footprint

Quick installation and commissioning

PLC-based automation (optional)

Corrosion-resistant materials

Energy-efficient operation

Easy operation and maintenance

An Agitated Thin Film Dryer (ATFD) is a continuous vacuum dryer that creates a thin film of a liquid or slurry on a heated surface, which is then agitated to promote rapid evaporation and transform the material into a dry powder, paste, or flakes. It excels at drying heat-sensitive, viscous, or fouling materials by providing a large evaporation surface area, minimal residence time, and operating under vacuum to lower the boiling point. ATFDs are widely used in industries like pharmaceuticals, food & beverage, chemicals, and for wastewater treatment to achieve Zero Liquid Discharge (ZLD).  

A Condensate Polishing Unit (CPU) is a water treatment system that uses ion exchange resins to remove impurities, such as dissolved salts, corrosion products, and silica, from condensed steam in high-pressure boiler systems. This process purifies the water, preventing damage from scaling, corrosion, and deposits on turbine blades and within the boiler, thereby improving overall efficiency and extending the lifespan of the equipment. CPUs are crucial in power plants and industrial settings where high-purity water is essential.  

Our Effluent Treatment Plants (ETP) are engineered to effectively treat and purify contaminated wastewater generated from industrial processes, chemical manufacturing units, and other commercial activities. The primary objective of an ETP system is to remove harmful pollutants from effluent water, making it suitable for safe discharge or reuse in industrial operations.

By treating wastewater before it is released into natural water bodies, our ETP solutions help industries comply with environmental regulations while significantly reducing ecological impact and promoting sustainable water management practices.

Operating Modes

Our ETP systems are designed for flexible operation and are available in:

Manual Operation

Semi-Automatic Operation

Fully Automatic (PLC-Based) Operation

Depending on project requirements and budget considerations, we provide customized configurations to ensure optimal performance and ease of control.

Installation Options

We offer multiple structural configurations to suit various site conditions:

Civil Constructed ETP Plants

Pre-Fabricated Skid-Mounted Systems

Containerized Plug-and-Play Units

These systems are compact, easy to install, and designed for seamless integration into existing industrial infrastructure while delivering consistent year-round performance.

Key Benefits

Simple and user-friendly operation

Low manpower requirements

Compliance with environmental and pollution control regulations

Eco-friendly treatment process

A Dairy Effluent Treatment Plant (ETP) is specifically designed to treat high-strength wastewater generated from milk processing units and dairy product manufacturing facilities. Dairy effluent typically contains high levels of BOD, COD, oil & grease, suspended solids, lactose, proteins, and cleaning chemicals (CIP chemicals).

Our Dairy ETP Plant is engineered to efficiently remove organic load, fats, and solids, ensuring compliance with pollution control norms while enabling safe discharge or water reuse. The system is available in civil, skid-mounted, and prefabricated modular designs to suit small, medium, and large dairy operations.

Characteristics of Dairy Wastewater

Dairy industry effluent generally contains:

High BOD and COD levels

Milk residues and lactose

Fats, oil & grease (FOG)

Detergents and sanitizers

Suspended solids

Fluctuating pH levels

Due to its biodegradable nature but high organic load, dairy wastewater requires carefully designed biological treatment for effective results.

Benefits

Effective BOD and COD reduction

Efficient oil & grease removal

Compliance with pollution control regulations

Reduced environmental impact

Water reuse options available

Lower operational cost

Extended equipment life

An Effluent Treatment Plant (ETP) in food industries is a system designed to treat wastewater generated during food processing before it is discharged into the environment or reused. Food manufacturing processes such as washing, cooking, cleaning equipment, dairy processing, beverage production, and slaughtering produce wastewater containing organic matter, oils, grease, suspended solids, and chemicals.

The main purpose of an ETP is to remove these contaminants so the water meets environmental discharge standards and prevents pollution of rivers, soil, and groundwater. 

Sources of Wastewater in Food Industries

Common sources include:

• Raw material washing (fruits, vegetables, grains)

• Equipment and floor cleaning

• Cooking and processing operations

• Dairy operations (milk, whey residues)

• Slaughterhouses and meat processing

• Packaging and bottle washing

This wastewater typically contains:

• High BOD (Biochemical Oxygen Demand)

• High COD (Chemical Oxygen Demand)

• Oils and fats

• Suspended solids

• Food residues and organic matter

A Sugar Effluent Treatment Plant (Sugar ETP) is a wastewater treatment system used in sugar mills and sugar processing industries to treat polluted water generated during sugar manufacturing before it is discharged or reused.

Sugar industries produce large amounts of wastewater containing organic matter, which can severely pollute rivers and soil if released untreated. The ETP removes these pollutants and ensures the water meets environmental standards.

Sources of Wastewater in Sugar Industry

Wastewater is generated during several processes in a sugar factory:

1. Cane washing – Mud, soil, and organic matter from sugarcane.

2. Mill house operations – Juice leakage and washing water.

3. Boiler blowdown – Water from steam boilers.

4. Cooling water – Condenser and cooling tower water.

5. Floor and equipment cleaning – Sugar residues and oils.

6. Molasses handling areas – Organic-rich wastewater.

Characteristics of Sugar Industry Effluent

Typical pollutants found in sugar factory wastewater include:

• High BOD (Biochemical Oxygen Demand) – due to sugar and organic matter

• High COD (Chemical Oxygen Demand)

• Suspended solids (mud, bagasse particles)

• Oil and grease

• High temperature and color

Untreated discharge can cause oxygen depletion in water bodies, harming aquatic life.

Main Treatment Stages in Sugar ETP 1. Preliminary Treatment

Removes large solid materials.

Processes:

• Screening – removes bagasse fibers and large particles.

• Grit chamber – removes sand and heavy solids.

• Oil and grease trap – separates floating oil.

2. Primary Treatment

Reduces suspended solids.

Processes:

• Equalization tank – balances flow and pollutant load.

• Coagulation and flocculation – chemicals added to form flocs.

• Primary clarifier – settles suspended solids as sludge.

3. Secondary (Biological) Treatment

Removes dissolved organic pollutants.

Common systems used in sugar ETP:

• Anaerobic lagoons

• Aeration tanks (Activated Sludge Process)

• UASB (Upflow Anaerobic Sludge Blanket Reactor)

• MBBR (Moving Bed Biofilm Reactor)

Microorganisms break down organic matter and reduce BOD and COD levels.

4. Tertiary Treatment

Improves final water quality.

Processes include:

• Sand filtration

• Activated carbon filtration

• Disinfection (chlorine or UV)

Treated water can be reused for irrigation, cooling, or gardening.

Sludge Handling

Sludge produced during treatment is processed through:

• Sludge thickening

• Filter press or drying beds

• Safe disposal or composting

Sometimes sludge can be mixed with bagasse or press mud for composting.

Advantages of Sugar ETP

• Prevents water pollution

• Meets pollution control board standards

• Enables water recycling

• Protects soil and aquatic ecosystems

• Supports sustainable sugar production