Zohal Engineering Solutions

Pharmaceutical industries generate complex effluents rich in organic load, suspended solids, APIs, and hazardous chemicals. A well-designed ETP is essential to treat this effluent to meet regulatory discharge norms (e.g., CPCB/SPCB standards). The goal is to reduce pollutants such as BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand), TSS (Total Suspended Solids), and toxic compounds.

• High BOD & COD: Due to active pharmaceutical ingredients, solvents, and intermediates.

• Toxic & Non-biodegradable Compounds: Often resistant to biological treatment.

• Fluctuating pH & Load: Requires equalization.

• Presence of Heavy Metals & Solvents.

• Bar Screen Chamber: Removes large solids like plastics, cloth, etc.

• Oil & Grease Trap: Removes floating oils, solvents, and fats.

• Collection Tank: Gathers all incoming wastewater.

• Equalization Tank: Balances flow rate and load; includes mechanical aeration or agitators to prevent settling and homogenize the waste.

• Flash Mixer: Rapid mixing of chemical coagulants (e.g., alum, PAC) and flocculants (e.g., polyelectrolyte) to destabilize suspended solids.

• Coagulation-Flocculation: Promotes aggregation of suspended particles.

• Primary Clarifier (Settling Tank): Allows flocs and precipitated solids to settle. Sludge is collected at the bottom.

• pH Correction Tank: Addition of acid or alkali to maintain optimal pH for further treatment.

• Advanced Oxidation (if required): Use of ozone, Fenton’s reagent, or UV-H₂O₂ for breaking down refractory compounds.

• Activated Carbon Filter (optional): Removes residual color, odor, and adsorbs organic impurities.

• Aeration Tank (ASP or MBBR): Biological degradation of organic matter using aerobic bacteria.

  • ASP (Activated Sludge Process): Requires Return Sludge Line (RSL) and Sludge Recycle.

  • MBBR (Moving Bed Biofilm Reactor): Uses bio-media to support bacterial growth.

• Secondary Clarifier: Settles biomass from aeration. Sludge recycled or sent to sludge handling.

• Pressure Sand Filter (PSF): Removes suspended particles.

• Activated Carbon Filter (ACF): Adsorbs residual organics, odor, and color.

• UF/RO (Optional): For water reuse or to meet ZLD (Zero Liquid Discharge) standards.

• Disinfection Unit: Chlorination/UV treatment for pathogen removal before discharge.

• Sludge Holding Tank: Temporarily stores sludge.

• Filter Press / Centrifuge: De-waters sludge.

• Sludge Disposal: As per local environmental norms (e.g., TSDF facility).

• Flow meters, pH sensors, DO meters, ORP controllers.

• PLC/SCADA-based control system (optional) for process automation.

An Effluent Treatment Plant (ETP) is an industrial wastewater treatment system designed to remove contaminants, heavy metals, toxic chemicals, and other pollutants from industrial effluents before they are discharged into the environment or reused. ETPs are essential for industries such as electroplating, chemical manufacturing, pharmaceuticals, textiles, and food processing to comply with environmental regulations.

✔ Customizable Design: Tailored solutions for different industrial wastewater types.
✔ Multi-Stage Treatment Process: Includes physical, chemical, and biological treatment.
✔ Heavy Metal & Toxin Removal: Removes hazardous substances like chromium, nickel, zinc, cyanide, and acids from electroplating waste.
✔ Sludge Management System: Ensures safe disposal of solid waste.
✔ Automated Control Systems: PLC-based monitoring for efficient operation.
✔ Compliance with Pollution Control Norms: Meets CPCB, EPA, and local environmental standards.

1. Pre-Treatment:

   • Screening & Grit Removal: Eliminates large particles and debris.
   • Equalization Tank: Balances fluctuations in wastewater flow and pH.

2. Primary Treatment:

   • Coagulation & Flocculation: Uses chemicals to aggregate suspended particles.
   • Sedimentation: Removes settled sludge and precipitated heavy metals.

3. Secondary Treatment:

   • Biological Treatment: Uses bacteria to break down organic pollutants.
   • Aeration & Activated Sludge Process: Enhances decomposition of organic matter.

4. Tertiary Treatment:

   • Filtration & Polishing: Removes fine particles and dissolved solids.
   • Reverse Osmosis (RO) & Activated Carbon Treatment: Ensures water is purified for reuse.
   • Disinfection (Chlorination/UV Treatment): Eliminates bacteria and pathogens.

5. Sludge Treatment & Disposal:

   • Dewatering & Drying: Reduces moisture content in sludge.
   • Safe Disposal: Complies with hazardous waste management protocols.

�� Electroplating & Metal Finishing: Removes heavy metals, acids, and cyanides.
�� Chemical & Pharmaceutical Industries: Treats toxic organic and inorganic chemicals.
�� Textile & Dyeing Units: Removes dyes, chemicals, and BOD/COD from wastewater.
�� Food & Beverage Industry: Processes organic waste and oil contaminants.
�� Automobile & Engineering Units: Treats oil, grease, and metal contaminants.
�� Tanneries & Leather Processing: Controls high TDS and organic pollutants.

✅ Ensures compliance with environmental regulations.
✅ Reduces water pollution and environmental impact.
✅ Enables recycling and reuse of treated water.
✅ Minimizes operational costs and chemical usage.
✅ Improves workplace safety by handling hazardous waste properly.

An Effluent Treatment Plant (ETP) is an industrial wastewater treatment system designed to remove contaminants, heavy metals, toxic chemicals, and other pollutants from industrial effluents before they are discharged into the environment or reused. ETPs are essential for industries such as electroplating, chemical manufacturing, pharmaceuticals, textiles, and food processing to comply with environmental regulations.

✔ Customizable Design: Tailored solutions for different industrial wastewater types.
✔ Multi-Stage Treatment Process: Includes physical, chemical, and biological treatment.
✔ Heavy Metal & Toxin Removal: Removes hazardous substances like chromium, nickel, zinc, cyanide, and acids from electroplating waste.
✔ Sludge Management System: Ensures safe disposal of solid waste.
✔ Automated Control Systems: PLC-based monitoring for efficient operation.
✔ Compliance with Pollution Control Norms: Meets CPCB, EPA, and local environmental standards.

1. Pre-Treatment:

   • Screening & Grit Removal: Eliminates large particles and debris.
   • Equalization Tank: Balances fluctuations in wastewater flow and pH.

2. Primary Treatment:

   • Coagulation & Flocculation: Uses chemicals to aggregate suspended particles.
   • Sedimentation: Removes settled sludge and precipitated heavy metals.

3. Secondary Treatment:

   • Biological Treatment: Uses bacteria to break down organic pollutants.
   • Aeration & Activated Sludge Process: Enhances decomposition of organic matter.

4. Tertiary Treatment:

   • Filtration & Polishing: Removes fine particles and dissolved solids.
   • Reverse Osmosis (RO) & Activated Carbon Treatment: Ensures water is purified for reuse.
   • Disinfection (Chlorination/UV Treatment): Eliminates bacteria and pathogens.

5. Sludge Treatment & Disposal:

   • Dewatering & Drying: Reduces moisture content in sludge.
   • Safe Disposal: Complies with hazardous waste management protocols.

�� Electroplating & Metal Finishing: Removes heavy metals, acids, and cyanides.
�� Chemical & Pharmaceutical Industries: Treats toxic organic and inorganic chemicals.
�� Textile & Dyeing Units: Removes dyes, chemicals, and BOD/COD from wastewater.
�� Food & Beverage Industry: Processes organic waste and oil contaminants.
�� Automobile & Engineering Units: Treats oil, grease, and metal contaminants.
�� Tanneries & Leather Processing: Controls high TDS and organic pollutants.

✅ Ensures compliance with environmental regulations.
✅ Reduces water pollution and environmental impact.
✅ Enables recycling and reuse of treated water.
✅ Minimizes operational costs and chemical usage.
✅ Improves workplace safety by handling hazardous waste properly.

An Effluent Treatment Plant (ETP) is an industrial wastewater treatment system designed to remove contaminants, heavy metals, toxic chemicals, and other pollutants from industrial effluents before they are discharged into the environment or reused. ETPs are essential for industries such as electroplating, chemical manufacturing, pharmaceuticals, textiles, and food processing to comply with environmental regulations.

✔ Customizable Design: Tailored solutions for different industrial wastewater types.
✔ Multi-Stage Treatment Process: Includes physical, chemical, and biological treatment.
✔ Heavy Metal & Toxin Removal: Removes hazardous substances like chromium, nickel, zinc, cyanide, and acids from electroplating waste.
✔ Sludge Management System: Ensures safe disposal of solid waste.
✔ Automated Control Systems: PLC-based monitoring for efficient operation.
✔ Compliance with Pollution Control Norms: Meets CPCB, EPA, and local environmental standards.

1. Pre-Treatment:

   • Screening & Grit Removal: Eliminates large particles and debris.
   • Equalization Tank: Balances fluctuations in wastewater flow and pH.

2. Primary Treatment:

   • Coagulation & Flocculation: Uses chemicals to aggregate suspended particles.
   • Sedimentation: Removes settled sludge and precipitated heavy metals.

3. Secondary Treatment:

   • Biological Treatment: Uses bacteria to break down organic pollutants.
   • Aeration & Activated Sludge Process: Enhances decomposition of organic matter.

4. Tertiary Treatment:

   • Filtration & Polishing: Removes fine particles and dissolved solids.
   • Reverse Osmosis (RO) & Activated Carbon Treatment: Ensures water is purified for reuse.
   • Disinfection (Chlorination/UV Treatment): Eliminates bacteria and pathogens.

5. Sludge Treatment & Disposal:

   • Dewatering & Drying: Reduces moisture content in sludge.
   • Safe Disposal: Complies with hazardous waste management protocols.

�� Electroplating & Metal Finishing: Removes heavy metals, acids, and cyanides.
�� Chemical & Pharmaceutical Industries: Treats toxic organic and inorganic chemicals.
�� Textile & Dyeing Units: Removes dyes, chemicals, and BOD/COD from wastewater.
�� Food & Beverage Industry: Processes organic waste and oil contaminants.
�� Automobile & Engineering Units: Treats oil, grease, and metal contaminants.
�� Tanneries & Leather Processing: Controls high TDS and organic pollutants.

✅ Ensures compliance with environmental regulations.
✅ Reduces water pollution and environmental impact.
✅ Enables recycling and reuse of treated water.
✅ Minimizes operational costs and chemical usage.
✅ Improves workplace safety by handling hazardous waste properly.

An Effluent Treatment Plant (ETP) is an industrial wastewater treatment system designed to remove contaminants, heavy metals, toxic chemicals, and other pollutants from industrial effluents before they are discharged into the environment or reused. ETPs are essential for industries such as electroplating, chemical manufacturing, pharmaceuticals, textiles, and food processing to comply with environmental regulations.

✔ Customizable Design: Tailored solutions for different industrial wastewater types.
✔ Multi-Stage Treatment Process: Includes physical, chemical, and biological treatment.
✔ Heavy Metal & Toxin Removal: Removes hazardous substances like chromium, nickel, zinc, cyanide, and acids from electroplating waste.
✔ Sludge Management System: Ensures safe disposal of solid waste.
✔ Automated Control Systems: PLC-based monitoring for efficient operation.
✔ Compliance with Pollution Control Norms: Meets CPCB, EPA, and local environmental standards.

1. Pre-Treatment:

   • Screening & Grit Removal: Eliminates large particles and debris.
   • Equalization Tank: Balances fluctuations in wastewater flow and pH.

2. Primary Treatment:

   • Coagulation & Flocculation: Uses chemicals to aggregate suspended particles.
   • Sedimentation: Removes settled sludge and precipitated heavy metals.

3. Secondary Treatment:

   • Biological Treatment: Uses bacteria to break down organic pollutants.
   • Aeration & Activated Sludge Process: Enhances decomposition of organic matter.

4. Tertiary Treatment:

   • Filtration & Polishing: Removes fine particles and dissolved solids.
   • Reverse Osmosis (RO) & Activated Carbon Treatment: Ensures water is purified for reuse.
   • Disinfection (Chlorination/UV Treatment): Eliminates bacteria and pathogens.

5. Sludge Treatment & Disposal:

   • Dewatering & Drying: Reduces moisture content in sludge.
   • Safe Disposal: Complies with hazardous waste management protocols.

�� Electroplating & Metal Finishing: Removes heavy metals, acids, and cyanides.
�� Chemical & Pharmaceutical Industries: Treats toxic organic and inorganic chemicals.
�� Textile & Dyeing Units: Removes dyes, chemicals, and BOD/COD from wastewater.
�� Food & Beverage Industry: Processes organic waste and oil contaminants.
�� Automobile & Engineering Units: Treats oil, grease, and metal contaminants.
�� Tanneries & Leather Processing: Controls high TDS and organic pollutants.

✅ Ensures compliance with environmental regulations.
✅ Reduces water pollution and environmental impact.
✅ Enables recycling and reuse of treated water.
✅ Minimizes operational costs and chemical usage.
✅ Improves workplace safety by handling hazardous waste properly.