Corn stalk pretreatment apparatus and method for manufacturing pulp from corn stalks

A method of manufacturing pulp using corn stalks comprising:

• cutting the corn stalks into pieces having a length of 10 to 60 mm;
• filtering out foreign substances from cut pieces of the corn stalks;
• separating and discharging the cut corn stalks into rind and pith under a centrifugal force using a separation unit;
• separating the corn stalks into rind and pith once more and crushing and finely fragmenting the rind and the pith into a chip form;
• pretreating the corn stalks by filtering the rind and pith of the corn stalks and flakes of the rind;
• removing a portion of hemicellulose of the rind;
• and
• cooking the rind from which the portion of hemicellulose has been removed, using caustic soda and sodium carbonate.