What does “guard bed” mean?
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What does “guard bed” mean?
I searched on Baidu, and someone translated it as “guard bed”, http://zhidao.baidu.com/question/88240209.html. I think you’d better explain the context. That makes it easier to translate accurately
Protective beds, such as those equipped with desulfurization agents (protective beds), are used to protect the catalysts downstream. .
It can be translated as a protection bed; in reality, it is a reactor. This reactor does not necessarily have to be operated – whether to turn it on or not depends on the testing of the device’s performance, as well as on what the operating load should be
Protection beds are common in the chemical industry; they are usually located upstream of the reactor. Another type of protection bed is used for adsorption purposes, that is, what is commonly known as an adsorbent bed. The properties of the adsorbent depend on the purpose of the protection bed, which is generally to control the parameters of the feed material.