利用烟道气培养产烃葡萄藻的可行性研究

对烟道气培养产烃葡萄藻的可行性进行了研究，重点考察了SO2和NOx的水溶形态对葡萄藻的影响。结果表明，亚硫酸氢盐浓度低于0．8mmol／L时，对葡萄藻生长没有明显抑制作用，可以提供葡萄藻生长的硫源，但高浓度(大于2mmol／L)时抑制细胞生长；当亚硝酸盐浓度小于8mmol／L时，可以作为葡萄藻生长的唯一氮源，亚硝酸盐的去除主要是由微藻利用所致。当起始浓度为2mmol／L和4mmol／L时，亚硝酸盐的去除率分别为100％和99．7％。

Effect of nitrite and bisulfite on the growth of Botryococcus braunii

The feasibility of cultivation of hydrocarbon-producing microalga Botryococcus braunii with flue gas was investigated in this paper.The experiment results indicated that bisulfite with content lower than 0.8 mmol/L,did not inhibit but promoted the growth of B.braunii. However,bisulfite with content higher than 2 mmol/L was toxic to the alga,causing destruction of chlorophyll and membrane lipid peroxidation.When nitrite with content less than 8 mmol/L did not affect the growth of B.braunii and served as the sole nitrogen source.With the initial content of nitrite concentration at 2 mmol/L and 4 mmol/L,the removal of nitrogen was 100% and 99.7% respectively.