The froth taken off in the flotation process is generally sent to another unit where it is flotated again. Why is this done?
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Name the two processes used to remove ink.
Name the two processes used to remove ink.
Why is the recycle rate not going to reach 100%?
Why is the recycle rate not going to reach 100%?
What is the filter medium in multi-disk filters? Pick one of…
What is the filter medium in multi-disk filters? Pick one of the following
Why are screens usually used in series, the rejects from a p…
Why are screens usually used in series, the rejects from a primary screen going to a secondary screen, etc.?
Even though mechanical pulps are generally not exposed to be…
Even though mechanical pulps are generally not exposed to beating/refining, several mills are refining mechanical pulps to try to cut mechanical fiber even further. Why do you think they do that? (Hint: Think about the big advantage of mechanical fibers besides cost, what do mechanical fibers IMPROVE).
Which of the following statements are true
Which of the following statements are true
How is the vacuum in a vacuum washer (drum washer) usually g…
How is the vacuum in a vacuum washer (drum washer) usually generated?
Why is Mg salt added to the oxygen bleaching system?
Why is Mg salt added to the oxygen bleaching system?
Describe a forward cleaner. Be sure to address the following…
Describe a forward cleaner. Be sure to address the following questions. Where is the pulp inlet? Separation is accomplished based on what principles? Where do rejects and accepts exit?