生物质快速热裂解生物油对藻类的毒性效应  

TOXIC EFFECT OF BIO-OIL FROM BIOMASS FAST PYROLYSIS ON FRESH ALGAE

作　　者：黄历[1] 刘荣厚[1] 张乐[1] 尹仁湛[1] 

机构地区：[1]上海交通大学农业与生物学院生物质能工程研究中心,上海200240

出　　处：《太阳能学报》2015年第6期1397-1402,共6页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金(51176121);"十二五"国家科技支撑计划(2011BAD22B07)

摘　　要：为明确生物质快速热裂解生物油的使用安全性能,以斜生栅藻和月牙藻为受试材料,设置5组不同生物油含量(分别为0、9.5、20.7、48.5和81.3 mg/L)的藻类培养液,测定生物油对藻类的毒性效应。结果表明:不同生物油含量的藻类培养液对两种藻的生长存在不同程度的抑制,对斜生栅藻的生长抑制率分别为0、(36.59%±5.94%)、(48.47%±2.53%)、(94.83%±2.50%)和(105.25%±1.39%);对月牙藻的生长抑制率分别为0、(45.14%±0.93%)、(55.45%±1.41%)、(64.07%±3.95%)和(92.58%±0.88%),藻类培养液中生物油含量越高,其抑制效应越强。对不同生物油含量下的藻类生长抑制率进行非线性回归分析(以生物量计),生物油对斜生栅藻和月牙藻生长的72 h半效应浓度分别为17.62和14.16 mg/L,说明月牙藻对生物油更敏感。In order to determine the safety of using b/o-oil from biomass fast pyrolysis, toxic effect of bio-oil on algae was investigated in an algal growth inhibition test with Scenedesmus obliquus and and Selenastrum spp., in which five alage broths with 0, 9.5, 20.7, 48.5, 81.3 mg/L concentrations of bio-oil were applied, respectively. The results show that the bio-oil has a certain inhibition effect on the growth of algae, the growth inhibition rates of S. obliquus are 0, （36.59%± 5.94%）, （48.47%±2.53%）, （94.83%±2.50%） and （105.25%± 1.39%）, respectively; the growth inhibition rates of Selenastrum spp. are 0, （45.14%±0.93%）, （55.45%± 1.41%）, （64.07%±3.95%） and （92.58%±0.88%）, respectively when the concentrations of bio-oil were 0, 9.5, 20.7, 48.5, 81.3 mg/L, respectively. It seems that the higher the concentration of bio-oil is, the greater the toxic effect is. The non-linear regression analysis of growth inhibition rate with different bio-oil concentration is conducted, according to biomass quantity, 72 h algae ECs0（median effect concentration） of bio-oil on inhibition of S. obliquus and Selenastrum spp. growth are 17.62 and 14.16 mg/L, respectively, which indicates that Selenastrum spp. is more sensitive to the bio-oil.

关 键 词：生物质快速热裂解 生物油 斜生栅藻 月牙藻 半效应浓度 

分 类 号：TK6[动力工程及工程热物理—生物能]