Carbon Dioxide (CO₂)
1. Introduction
Carbon Dioxide (CO₂) is a colorless, odorless, non-flammable gas with a slight acidic nature. It is about 1.5 times heavier than air. One volume of CO₂ gas can dissolve in one volume of water at atmospheric pressure and 20°C. In pressurized containers, CO₂ is in liquid form, maintaining an equilibrium pressure of about 57 bar at 20°C.
Forms of Supply:
- High-pressure Cylinders: 10L, 40L, 47L, 50L, and more.
- High-pressure Liquid Containers: Taylor Wharton, Japan, and others.
- Cryogenic Tanks
2. Applications
Carbon Dioxide has a wide range of applications, including:
- Industry: Used in welding, cutting, cleaning, and other industrial processes.
- Food: Used for food preservation, rapid freezing, and in beverage production.
- Medical: Employed in endoscopic surgery and medical treatments.
- Agriculture: Enhances plant growth in greenhouses and other cultivation processes.
- Firefighting: Utilized in fire suppression systems.
- Scientific Research: Applied in experiments and scientific studies.
3. Properties:
- Main Hazards: Asphyxiation, high-pressure risks, and liquid CO₂ can cause frostbite.
- Explosive Limits: None
- Flammability: Non-flammable
- Odor: None
- Molecular Weight: 44.01
- Specific Volume at 20°C: 0.547 m³/kg
- Specific Gravity (Air = 1) at 20°C: 1.53
- Critical Temperature: 31.06°C
- Critical Pressure: 73.82 Bar
- Purity Levels: Depending on usage requirements, Carbon Dioxide can be supplied at the following purities: CO₂ 2.5, CO₂ 3.5, CO₂ 4.8
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