School of Civil, Environmental and Chemical Engineering, RMIT University, GPO Box 2476, Melbourne, Vic 3001, Australia.
Bioresour Technol. 2011 Sep;102(17):8199-204. doi: 10.1016/j.biortech.2011.05.051. Epub 2011 May 27.
Experiments were conducted by thermal gravimetric analysis (TGA) and cone calorimetry to measure the affect of three fire retardants (ammonium sulphate, boric acid and borax) on the mass-loss rate and combustion characteristics of sugar-cane bagasse. Compared with untreated bagasse, bagasse impregnated with aqueous solutions of 0.1-0.5M fire retardants exhibited an increase in char mass production from 16% up to 41% when pyrolysed and up to a 41% reduction in total heat release (THR) during combustion. Char mass production was only a weak function of additive concentration over the range of concentrations (0.1-0.5M) used. Combining the additives did not show any synergistic effects for char production or heat release rate (HRR). Treatment of bagasse by these chemicals could be useful to enhance biochar yields in pyrolysis processes or to reduce flammability risk in composites containing bagasse.
实验通过热重分析（TGA）和锥形量热仪进行，以测量三种阻燃剂（硫酸铵、硼酸和硼砂）对甘蔗渣质量损失率和燃烧特性的影响。与未处理的甘蔗渣相比，用 0.1-0.5M 阻燃剂的水溶液浸渍的甘蔗渣在热解时的炭产率从 16%增加到 41%，在燃烧过程中的总热释放（THR）减少了 41%。在使用的浓度范围内（0.1-0.5M），炭产率只是添加剂浓度的弱函数。添加剂的组合对炭产率或热释放率（HRR）没有显示出任何协同效应。这些化学物质处理甘蔗渣可以提高热解过程中的生物炭产率，或降低含有甘蔗渣的复合材料的易燃性风险。
