Pressure and temperature of steam to produce water gas

In summary, water gas is a synthetic gas mixture primarily made of hydrogen and carbon monoxide, produced through gasification of steam and hot coal or coke. Steam pressure plays a crucial role in its production, with higher pressure leading to higher temperatures and increased gasification rate. The ideal temperature for producing water gas is between 1000-1300 degrees Celsius. Both pressure and temperature affect the composition of water gas, with higher levels resulting in a higher CO/H2 ratio. However, there are safety concerns when working with high pressures and temperatures, such as the risk of explosions and burns, requiring proper safety measures and equipment.
  • #1
pranj5
386
5
Can anybody inform me about the necessary pressure and temperature level of steam to produce water by reacting it with red hot coal/carbon.
 
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  • #2
You want to produce water from water?
 
  • #4
Thanks, I didn't know this particular name.

Funny, Polish wikipedia gives the parameters, while English doesn't.
 
  • #5


The necessary pressure and temperature level of steam to produce water gas by reacting it with red hot coal/carbon can vary depending on several factors such as the amount and type of coal/carbon used, the rate of steam flow, and the desired composition of the water gas. Generally, a higher pressure and temperature will result in a more efficient and faster reaction, but it is important to carefully control these parameters to avoid potential safety hazards.

In order to produce water gas, the steam and coal/carbon must undergo a chemical reaction known as the water-gas shift reaction. This reaction requires high temperatures of at least 700-1000°C and pressures between 20-40 atmospheres to achieve a high conversion rate. However, these conditions may vary depending on the type of catalyst used and the desired composition of the water gas.

It is essential to note that the production of water gas is an energy-intensive process and the use of high temperatures and pressures can result in significant energy consumption. Therefore, it is important to consider the trade-off between the efficiency of the reaction and the energy consumption when determining the necessary pressure and temperature levels for producing water gas.

In conclusion, the necessary pressure and temperature levels of steam to produce water gas by reacting it with red hot coal/carbon can range from 700-1000°C and 20-40 atmospheres, but these values may vary depending on several factors. Careful consideration and control of these parameters are crucial for a successful and safe production of water gas.
 

FAQ: Pressure and temperature of steam to produce water gas

What is water gas?

Water gas is a synthetic gas mixture consisting primarily of hydrogen and carbon monoxide. It is produced by reacting steam with hot coal or coke in a process called gasification. Water gas was commonly used as a fuel for heating and lighting in the late 19th and early 20th centuries.

How does steam pressure affect the production of water gas?

Steam pressure plays a crucial role in the production of water gas. Higher steam pressure leads to higher temperatures, which in turn increases the rate of gasification and production of water gas. However, too high of a steam pressure can also lead to the formation of carbon dioxide, reducing the overall quality of the water gas produced.

What is the ideal temperature for producing water gas?

The ideal temperature for producing water gas is typically between 1000-1300 degrees Celsius. This temperature range allows for efficient gasification of the coal or coke and production of high-quality water gas. Maintaining this temperature is essential for optimizing the production process.

How do pressure and temperature affect the composition of water gas?

Both pressure and temperature have a significant impact on the composition of water gas. Higher pressure and temperature can lead to the formation of more carbon monoxide and less hydrogen, resulting in a higher CO/H2 ratio. This ratio can be adjusted by controlling the pressure and temperature during the gasification process.

Are there any safety concerns when working with high pressures and temperatures in the production of water gas?

Yes, there are several safety concerns when working with high pressures and temperatures in the production of water gas. These include the risk of explosions or fires due to the highly combustible nature of water gas, as well as the potential for burns or other injuries from handling materials at high temperatures. Proper safety measures and equipment should always be used when working with high pressures and temperatures in this process.

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