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首页> 外文期刊>International journal of green energy >Resource utilization of wasted black pulping liquor for biodiesel production by Scenedesmus obliquus
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Resource utilization of wasted black pulping liquor for biodiesel production by Scenedesmus obliquus

机译：斜头场景生物生产废黑制浆液对生物柴油的资源利用

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摘要

The possibility of application of black liquor for oil-riched algae cultivation is inspected. The results show that after ligin removal and enzymatic hydrolysis, the hydrolysate of black liquor contained 9.18 g L-1 of reducing sugar. When the hydrolysate was used for Scenedesmus obliquus (S. obliquus) cultivation, a 1.23 g L-1, 24.52%, and 23.20 mg L(-1)d(-1) was obtained for growth yield, oil content, and the lipid productivity, seperately. The hemicellulose was extracted from black liquor and hydrolyzed. With addition of 3 g L-1 yeast extract, the growth yield of S. obliquus in hemicellulose hydrolysate increased to 2.7 g L-1, an increase of 26.8% than that of in glucose medium, oil content was 25.7% and the final lipid productivity reached 53.37 mg L(-1)d(-1). The results indicate that black liquor can not be directly used by microalgae, but with approprate treatment, the carbohydrate of it could be recovered and uitilized for the oil production from microalgae.
机译：检查了将黑液用于富含油的藻类培养的可能性。结果表明，除去木质素并进行酶水解后，黑液的水解产物含有9.18g的L-1还原糖。当将水解产物用于斜生斜线藻（S. obliquus）培养时，获得了1.23 g L-1、24.52％和23.20 mg L（-1）d（-1）的生长产量，油含量和脂质生产力，分别。从黑液中提取半纤维素并水解。加入3 g L-1酵母提取物后，半纤维素水解产物中斜生链球菌的生长量增加至2.7 g L-1，比葡萄糖培养基中的增长了26.8％，含油量为25.7％，最终脂质生产率达到53.37 mg L（-1）d（-1）。结果表明，黑液不能直接用于微藻，但经过适当的处理，可以回收其碳水化合物并将其用于微藻的采油。

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