Carbon dioxide | CO2 gas

Sepehr Gas Kavian: +982146835980, +982146837072 and +989022734708

Carbon dioxide is a colorless gas that is found naturally in Earth’s atmosphere. It is also a greenhouse gas, which means that it traps heat from the sun and helps to regulate the planet’s temperature.

Carbon dioxide is essential for life on Earth. Plants use it during photosynthesis to produce food, and animals exhale it as a waste product of respiration. However, human activities such as the burning of fossil fuels have increased the amount of carbon dioxide in the atmosphere to levels not seen in millions of years. This increase in carbon dioxide is a major contributor to climate change.

Properties

• Chemical formula: CO2
• Molar mass: 44.01 g/mol
• Density: 1.84 kg/m³ (at STP)
• Boiling point: -78.5 °C (-109.7 °F)
• Melting point: -56.6 °C (-69.9 °F)
• Solubility in water: 1.79 volumes per volume at 0 °C and atmospheric pressure

Carbon dioxide applications

CO2 has a surprising number of applications beyond its role in the environment. Here are some of its key uses:

Food and Beverage Industry:

• Carbonating beverages: CO₂ is what gives your favorite soda its fizz! It creates the bubbles and adds a pleasant tang.
• Food preservation: CO₂ inhibits the growth of bacteria and fungi, which helps keep food fresh during transport and storage.
• Stunning animals: CO₂ can be used in high concentrations to humanely stun animals before slaughter.
• Coffee decaffeination: Supercritical CO₂ can be used to selectively remove caffeine from coffee beans.

Manufacturing and Industrial Uses:

• Inert gas: CO₂ is non-reactive and can be used to prevent oxidation in processes like welding and metal forming.
• Fire extinguisher: CO₂ displaces oxygen, making it effective in smothering fires, particularly for electrical fires.
• Refrigerant: CO₂ is becoming a more popular eco-friendly refrigerant due to its low toxicity.
• Foaming agent: CO₂ is used to create air pockets in plastics and rubber, making them lighter and improving their insulating properties.

Other Applications:

• Agriculture: CO₂ enrichment in greenhouses can boost plant growth.
• Oil recovery: CO₂ injection can help extract more oil from wells.
• Medical: Low doses of CO₂ are used medically to stimulate breathing and treat certain respiratory problems.

Sources of Carbon dioxide

Carbon dioxide (CO2) is a naturally occurring gas, but human activities have significantly increased its concentration in the atmosphere. Here’s a breakdown of the two main sources of CO2:

Natural Sources

• Decomposition: When plants and animals die, they decompose, releasing CO2 back into the atmosphere.
• Ocean Release: Oceans naturally absorb CO2 from the atmosphere. However, as the water warms, the ocean’s ability to absorb CO2 decreases, and some of the stored CO2 is released back into the air.
• Respiration: All living organisms, including humans, animals, and plants, release CO2 as they breathe.

Human Sources

• Fossil Fuel Burning: The burning of fossil fuels, such as coal, oil, and natural gas, is the largest source of human-caused CO2 emissions. When these fuels are burned, they release CO2 and other greenhouse gases into the atmosphere.
• Deforestation: Cutting down trees reduces the amount of CO2 that can be absorbed from the atmosphere. Trees absorb CO2 through photosynthesis and store it in their biomass. When trees are cut down, the stored CO2 is released back into the atmosphere.

Human-caused CO2 emissions are the primary driver of climate change. By reducing our reliance on fossil fuels and protecting forests, we can help to mitigate the effects of climate change.

Hazards of CO2

• Asphyxiant: CO2 is an asphyxiant gas, which means it can displace oxygen in the air and lead to suffocation. This is because CO2 is heavier than air and can settle in low-lying areas.
• Health effects: Exposure to high levels of CO2 can cause a variety of health effects, including headaches, dizziness, nausea, vomiting, shortness of breath, confusion, and loss of consciousness. In severe cases, CO2 exposure can lead to death.
• Liquid and solid CO2: Liquid CO2 (dry ice) can cause frostbite if it comes into contact with skin.

Safety precautions for CO2

• Monitor CO2 levels: If you are working in an area where CO2 levels could be high, it is important to monitor CO2 levels with a CO2 detector.
• Ventilation: Ensure adequate ventilation in any enclosed space where CO2 is being used or produced.
• Confined spaces: Never enter a confined space where CO2 levels could be high without proper safety precautions, such as wearing a respirator.
• Dry ice: When handling dry ice, wear gloves to protect your skin from frostbite.

Overall, CO2 is a safe gas at low concentrations, but it can be hazardous at high concentrations. By following the safety precautions above, you can help to prevent CO2 poisoning.

Supply

Sepehr Gas Kavian Company – with ISO17025 certificate and standard department’s reference laboratory – sells carbon dioxide gas in carbon steel cylinders with the following conditions:

• 5 grade (pharmaceutical grade) in a 10 liter cylinder by 5 kg, in a 40 liter cylinder by 18 kg and in a 50 liter cylinder by 25 kg
• 9 grade (food grade) in a 5 liter cylinder by 2.5 kg, in a 10 liter cylinder by 5 kg, in a 40 liter cylinder by 18 kg and in a 50 liter cylinder by 25 kg
• Grade 99.99 (HiQ carbon dioxide grade) in a 5 liter cylinder by 1 kg, in a 10 liter cylinder by 2 kg and in a 50 liter cylinder by 25 kg
• Grade 99.995 (HiQ carbon dioxide grade) in a 5 liter cylinder by 1 kg, in a 10 liter cylinder by 2 kg and in a 50 liter cylinder by 25 kg
• Grade 99.999 (HiQ carbon dioxide grade) in a 5 liter cylinder by 1 kg, in a 10 liter cylinder by 2 kg and in a 50 liter cylinder by 25 kg

To buy carbon dioxide gas and other gases such as argon, nitrogen, helium, CH4, ethane, H2S etc., from Sepehr Gas Kavian please contact via: +982146835980, +982146837072 and +989022734708