The removal of the mineral elements in wheat straw during alkaline pulping and the effect of those mineral elements on the alkali recovery process were researched by means of SEM-EDXA and atomic absorption spectrometer.

• 用SEM-EDAX法、原子吸收光谱法探索了麦草原料矿质元素在碱法制浆及碱回收过程中的转移规律。