Apparatus for making a web of paper or board containing calcium carbonate

   
   

Apparatus for forming a paper or board web made from fibers in which the web is treated with calcium hydroxide and then with carbon dioxide gas so as to form calcium carbonate.

Apparecchio per formare un fotoricettore del bordo o della carta fatto dalle fibre in cui il fotoricettore รจ trattato con l'idrossido di calcio ed allora con il gas dell'anidride carbonica in modo da formare il carbonato di calcio.

 
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