This paper mainly introduced the pilot-scale experiments of displacement cooking of wheat straw. The experiments showed that the measures including dry and wet raw material preparation,larger liquor ratio,liquid phase circulation,two-stage displacement cooking and washing,and black liquid reusing can be used in displacement cooking. In comparison to the conventional alkaline-AQ cooking,dis-placement cooking process can reduce K number,upgrade whiteness and strength,and improve drainage property of the pul...

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