Highmark Renewables Research LP, AFDP Rm-1-037, 6004, 118 Street, Edmonton AB, Canada T6G 2E1.
Bioresour Technol. 2011 Jan;102(2):2126-9. doi: 10.1016/j.biortech.2010.08.088.
The possibility of using anaerobic digestate effluent (ADE) to replace freshwater and nutrients for bioethanol production was explored. The ethanol concentration yielded from ADE and post-centrifuged ADE supernatant was 79.60±1.75 g/L and 78.33±1.66 g/L, respectively, with a 24% dry mass (DM) of soft wheat. Ethanol production was enhanced in ADE by as much as 18% in comparison to the production in freshwater (66.61±0.28 g/L, p<0.01). Without yeast nutrients, ADE fermentation yielded an ethanol concentration of 81.10±2.87 g/L, which was significantly higher than that in freshwater fermentation (59.67±1.79 g/L). Analysis showed that ADE contained rich nitrogen, proteins and minerals. After one-step distillation, the ethanol concentration attained was 700.05±46.20 g/L in ADE as compared to 622.79±32.22 g/L in freshwater (p<0.05).
探索了利用厌氧消化液（ADE）替代淡水和营养物质生产生物乙醇的可能性。用 24%的软质小麦干物质（DM），从 ADE 和离心后的 ADE 上清液中分别获得了 79.60±1.75 g/L 和 78.33±1.66 g/L 的乙醇浓度，与在淡水中的生产（66.61±0.28 g/L，p<0.01）相比，在 ADE 中提高了 18%的乙醇产量。在没有酵母营养物的情况下，ADE 发酵产生的乙醇浓度为 81.10±2.87 g/L，明显高于在淡水中发酵的浓度（59.67±1.79 g/L）。分析表明，ADE 含有丰富的氮、蛋白质和矿物质。经过一步蒸馏，在 ADE 中的乙醇浓度达到 700.05±46.20 g/L，而在淡水中的乙醇浓度为 622.79±32.22 g/L（p<0.05）。
