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Robust, Moisture-Free and Dry Air Solutions

Compressed air is the invisible backbone of chemical manufacturing—powering everything from raw material transport to pneumatic tools.
But the chemical industry poses unique risks: moisture, oil aerosols, corrosive gases, and particulates can compromise product purity, damage equipment, and create hazardous working conditions.
Because compressed air often comes in direct contact with processes, ensuring it is oil-free, dry, and contaminant-free is essential. Any lapse in air quality can result in costly downtime, rejected batches, and safety risks.

Challenges in the Chemical Industry

The chemical sector demands absolute process reliability, where compressed air quality directly affects safety, product consistency, and operational uptime. Untreated compressed air creates risks that are often hidden until major failures occur.

Common Risks of Poor Air Quality

Corrosion & Rust: Moisture corrodes pipelines, reactors, pneumatic valves, and storage vessels.
Product Contamination: Oil aerosols, vapors, and particles compromise chemical purity and can ruin entire batches.
Instrumentation Failures: Contaminated air disrupts readings, valves, and controls, leading to shutdowns.
Explosion Hazards: In EX zones, moisture and oil residues increase risks with reactive or flammable substances.
Operational Downtime: Unreliable air leads to shutdowns, maintenance delays, and production losses.

Poor air treatment not only threatens compliance with ISO 8573-1:2010 standards but also puts worker safety, equipment reliability, and brand reputation at risk.

Applications of Compressed Air in the Chemical Industry

Pneumatic Conveying of Powders & Granules

Powdery or granular raw materials like plastics, pharmaceuticals, and cleaning agents are transported through pipelines using compressed air. Maintaining a low pressure dew point prevents clumping, lumping, or blockages caused by residual moisture.

Pneumatic Valves Operations & Instrumentation Air

Pneumatic Valves & Instrumentation Air

Compressed air powers pneumatic valves and supplies instrumentation air for control systems and cylinders. Clean, dry, and stable air ensures precision, reduces downtime, and prevents costly instrumentation failures.

EX Areas & Explosion Protection

Compressed air tools and hydraulic lifts can be operated safely in hazardous EX areas where sparks from electrical systems pose risks.

Material Handling & Air Curtains

Compressed air-driven systems transport chemicals safely in volatile environments. It also creates air curtains that ensure clean, controlled production zones free from contamination.

Nitrogen Generation & Air Separation

Compressed air is filtered through membranes in PSA plants to generate nitrogen. Dry air is vital to protect expensive membranes and ensure purity in separated gases.

PET Production

Compressed air is used to produce and transport PET resin beads. Even the slightest oil vapors with moisture contamination can compromise resin quality and affect the end product.

Fermentation & Aeration

In processes like fermentation, compressed air supplies oxygen to bacteria. Oil-aerosols & moisture particle contamination can kill bacterial cultures and disrupt oxidation.

How Delair Solves It

Delair offers a comprehensive range of compressed air dryers, filters, and accessories engineered to ensure safe, dry, and oil-free air for chemical plants. Each solution is built to meet the toughest purity requirements while delivering operational efficiency.

Refrigeration Dryers (FDI Series)

Reliable removal of moisture from compressed air in general chemical processes. Ideal for preventing condensation and corrosion in pipelines and storage tanks.

Based on the principle of cooling air close to the freezing point, refrigeration dryers have the following features:

Pressure Dew Point (PDP): +3°C to +4°C
Eco-friendly refrigerants with energy-saving designs for tropical conditions
Available in 45 standard models with flow rates from 18 m³/hr to 6,000 m³/hr
Compact design with proprietary heat exchangers and optional explosion-proof controls for offshore use

(Internal link: Delair Refrigeration Dryers page)

Adsorption/Desiccant Dryers (DD Series)

Deliver ultra-low pressure dew points (as low as -40°C or beyond), making them suitable for critical applications such as nitrogen generation, fermentation, and pneumatic valves operations in sensitive chemical environments.

Based on the principle of passing the moist air through a desiccant material, which adsorbs the water vapor, desiccant dryers have the following features:

Special graded DelSorb™ desiccant ensures long life and optimal adsorption
Electronic controls and solid-state timers for reliable, automatic operation
Flow range: 54.0 – 170.0 m³/hr (30 – 100 cfm) at 25 – 45 kg/cm²(g) pressure

(Internal link: Delair High Pressure Adsorption/Desiccant Dryers page)

Micro Filters

Capture solid particles, oil aerosols, and vapors to achieve ISO 8573-1:2010 Class 1 purity. Essential for ensuring clean and safe instrumentation air in pneumatic systems.

Capture solid particles, oil aerosols, and vapors
Achieve ISO 8573-1:2010 Class 1 purity
Essential for clean, safe instrumentation air

Auto Drain Valves & Accessories

Ensure long-term reliability by automatically removing condensate and minimizing downtime.

Automatically discharges condensate
Prevents hidden moisture buildup
Ensures uninterrupted operation

Compliance and Safety

Delair solutions adhere to stringent international standards, including ISO 8573 for compressed air quality. With decades of expertise and proven reliability, Delair enables chemical manufacturers to safeguard operations, reduce maintenance, and ensure the consistent delivery of contamination-free air.

Benefits of Choosing Delair

Partnering with Delair for compressed air treatment delivers measurable benefits for chemical manufacturers:

Reliable Air Purity: ISO 8573-1:2010 Class 1 compliance for safe, Dry air.
Reduced Downtime: Prevent corrosion, clumping, and equipment failures.
Enhanced Safety: Explosion proof solutions for hazardous EX areas.
Operational Efficiency: Stable dew point and pressure for consistent performance.
Extended Equipment Life: Lower maintenance costs and fewer replacements.
Versatility: From PET production to fermentation and pneumatic conveying.

Call to Action

Protect your chemical operations with Delair’s reliable compressed air treatment systems. Contact our team today at [email protected] or [email protected] to find the right solution for your plant.

Our Airgineers Can Help You Select The Right Product!