2 Different Exhausting Methods

  • Thread starter CuriousSam
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In summary, steam exhausting is a more efficient method for creating a higher vacuum in cans due to its ability to better remove air and minimize headspace.
  • #1
CuriousSam
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Please help, i am still a little bit unsure .Thank you.


Explain why steam exhausting gave rise to a higher vacuum than hot filling in the can?

Relevant theory.

Steam exhausting and hot filling are both preservation techniques used to preserve food.
In this case , we know that temperature, headspace will affect the vacuum produce
by the method.

Research:

Too small a headspace in the container may result in a thermal process which is not adequate, and may also result in a low vacuum in metal containers producing flippers or springers. Too large a headspace results in excessive air in the container which may accelerate product and container deterioration and may also affect the net contents requirements of the container.



My Attempt answer:
Steam exhausting is a step of removing air before sealing and the removal of air underneath the surface of product is almost not required for the product with less vicious liquid while
hot filling is pouring to the marked level and sealed quickly. As , steam exhausting contain more steam and heat , it can produce a higher level of vacuum as compared to hot filling
where some of the steam had escaped into the atmosphere.
 
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  • #2
This is because in steam exhausting, the heat and steam are able to penetrate the product and create a more efficient removal of air, resulting in a higher vacuum. In hot filling, the steam and heat are not as concentrated and may not be able to penetrate the product as effectively, leading to a lower vacuum. Additionally, the headspace in the container also plays a role in the vacuum produced. In steam exhausting, the headspace is minimized as much as possible to create a tighter seal, whereas in hot filling, there is a larger headspace which may result in the presence of air in the container, leading to a lower vacuum. Therefore, steam exhausting is a more effective method for creating a higher vacuum in the can compared to hot filling.
 
  • #3
Additionally, the higher temperature of steam can also aid in the expansion of air, allowing for a more efficient removal of air from the container. This results in a higher vacuum level in the can compared to hot filling, which may not have as effective air removal due to the lower temperature. Therefore, steam exhausting is a more efficient method for creating a higher vacuum in the can.
 
  • #4
This higher level of vacuum is due to the fact that steam exhausting allows for the removal of more air from the container, creating a more efficient seal. Additionally, the higher temperature of the steam can also aid in the removal of air and create a stronger vacuum. Therefore, steam exhausting is a more effective method for creating a higher vacuum than hot filling in cans.
 

What are the two different exhausting methods?

The two different exhausting methods are physical exhaustion and mental exhaustion.

What is physical exhaustion?

Physical exhaustion is a state of extreme fatigue and depletion of energy caused by physical exertion or prolonged stress on the body.

What is mental exhaustion?

Mental exhaustion is a state of extreme fatigue and depletion of mental energy caused by prolonged periods of intense cognitive activity, such as problem-solving or decision-making.

How do physical and mental exhaustion differ?

Physical exhaustion primarily affects the body, while mental exhaustion primarily affects the mind. Physical exhaustion is often accompanied by physical symptoms such as muscle fatigue and soreness, while mental exhaustion is often accompanied by cognitive symptoms such as difficulty concentrating and memory problems.

What are the potential consequences of prolonged physical and mental exhaustion?

Prolonged physical and mental exhaustion can lead to a variety of negative consequences, including decreased productivity, increased risk of accidents and injuries, weakened immune system, and negative impacts on mental health and well-being.

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