摘要
对实验室自制刨花板和回收废弃刨花板分别进行水热处理,在两种不同的液化条件下对处理的刨花板粉进行液化,利用液化残渣率为指标,分析不同水热条件处理对刨花板苯酚液化的影响。在不同的液化条件下得出相同的结果:同一水热处理时间下,两种刨花板的液化残渣率都随着温度的升高而呈现降低的趋势;同一水热处理温度下,液化残渣率也随着处理时间的增加而呈现降低的趋势,水热处理温度比水热处理时间对刨花板苯酚液化的影响效果大。对实验结果进行数据分析得到较理想的最佳水热处理条件是:实验室自制刨花板水热温度80℃,水热处理时间6h;回收废弃刨花板水热温度80℃,水热处理时间8h。
Lab-made particleboard and recycled rejective particleboard were dealt with under different hydrothermal conditions,then liquefied in the presence of phenol under 2 conditions respectively. Liquefaction residue ratio was chosen as an indicator to evaluate of the effect of hydrothermal treatment condition on the lique- faction. The results showed the same tendence occurred under different liquefaction conditions ,i. e. with hydrothermal treatment time constant, liquefaction residue ratio of two kinds of particleboard decreased along with the increase of the treatment temperature ; with the temperature constant,the residue ratio decreased along with the increase of the time ; and the effect of hydrothermal treatment temperature on particleboard liquefaction in the presence of phenol was more powerful than that of the time. After analyzing the experimental data, the optimum time and temperature of hydrothermal treatment were obtainded as follows ：6 hrs and 80 ℃ for lab-made particleboard,and 8 hrs and 80 ℃ for recycled one.
出处
《林产工业》
北大核心
2008年第4期18-21,共4页
China Forest Products Industry
基金
国家科技支撑计划课题:木质材料环境友好制造技术
课题编号:2006BAD18B09
关键词
水热处理
液化
刨花板
残渣率
Hydrothermal treatment
Liquefaction
Particleboard
Residue ratio
