It exists the option of an alkaline or a neutral cooking to produce bleachable paper pulp , and of acid hydrolysis of the straw to produce furfural and fermentable pentoses to produce methanol 在生产漂白浆的工艺条件是可以选择的如碱法,中性蒸煮,而且利用酸法水解草类原料可以生产糠醛和发酵戊糖生产甲醇
2.
Consists of printed groundwood free bleachable manilla - coloured cards , which have been manufactured for use in tabulating machines . this grade may contain maila - coloured tabulating cards with tinted margins 白表格卡纸:主要用亚硫酸盐浆或硫酸盐浆制成的白表格卡纸,供表格编制机使用。带有印刷油墨。可以带划有颜色细线的白卡纸。不允许混有杂物。不合格废纸总量不得超过1 % 。