A METHOD FOR MANUFACTURING PAPER WITH A CONSTANT FILLER CONTENT

摘要

In a method of controlling the production of filler-containing paper, fill er and retention agent are both delivered to the paper manufacturing system in a process of paper manufacture. The amount of filler in the paper is also measured, as is also the filler concentration or the total concentration in the white water or the stock. Filler is delivered in a quantity such that the system will be buffered with filler to a generally pre-determined concentration level (control value), which is followed via measuring processes. The continual addition of retention agent is based exclusively on the amount of filler in the paper measured at that moment in time.