
Zohal Engineering Solutions

Zohal - Wet Scrubber for Pharmaceutical Industry
Air containing toxic fumes, solvent vapors, acid gases, or powdery particulates is drawn into the scrubber through a duct system and fan.
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- Efficiency (%): 98%
- Material: PP
- Blower Type: Centrifugal Blower
- Power Source: Electric
- Pressure: Medium Pressure, High Pressure
- Usage: Pharmaceutical Industry
- We Provide: Consultation, Installation & Servicing
- Voltage: 420 volts
- Frequency: 50 Hz
- Country of Origin: Made in India
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Scrubbing Process:
- The polluted air enters the scrubber chamber, where it is sprayed with a liquid scrubbing solution (water, alkali, or chemical neutralizers).
- This process absorbs, dissolves, or chemically neutralizes pollutants.
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Gas-Liquid Interaction:
- The scrubber may contain spray nozzles, packed bed media, or venturi sections to ensure maximum contact between air and liquid for effective pollutant removal.
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Mist Elimination & Clean Air Release:
- The air passes through a demister or mist eliminator, removing excess moisture before releasing clean, treated air into the atmosphere.
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Waste Collection & Disposal:
- The contaminated scrubbing liquid is collected in a sump and sent for proper wastewater treatment before disposal.
Advantages of Wet Scrubbers in the Pharma Industry
- High Efficiency – Removes 99%+ of harmful gases, particulates, and VOCs.
- Corrosion-Resistant Construction – Made from FRP, PVC, SS316, or other chemical-resistant materials.
- Regulatory Compliance – Meets EPA, OSHA, and local environmental standards.
- Customizable for Specific Pollutants – Can be designed to handle acidic, alkaline, or organic emissions.
- Worker & Environmental Safety – Ensures a clean, non-toxic working environment.
Wet scrubbers are essential for pharmaceutical plants, ensuring compliance, efficiency, and workplace safety by effectively controlling airborne pollutants.
Types of Wet Scrubbers Used in the Pharmaceutical Industry
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Packed Bed Scrubber:
- Best for removing acidic gases, ammonia vapors, and solvent fumes.
- Uses high-surface-area packing material for efficient gas-liquid interaction.
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Venturi Scrubber:
- Effective in capturing fine pharmaceutical dust and chemical particulates.
- Uses high-velocity airflow for increased efficiency.
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Spray Tower Scrubber:
- Simple and cost-effective for moderate pollution control needs.
- Uses multiple spray nozzles to disperse scrubbing liquid.
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Multi-Stage Wet Scrubber:
- Combines chemical absorption and particulate scrubbing for high-efficiency removal of complex pollutants.
- Ideal for multi-pollutant environments in pharmaceutical manufacturing.