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Batch tests were conducted to select a good natural mixed microflora seed source and determine its optimal initial cultivation pH to elevate hydrogen production from xylose (20g-COD/L). Hydrogen production efficiency was evaluated using the hydrogen yield (HY) and maximum hydrogen production rate (HPR m ). Sewage sludge was shown to have higher HY and HPR m than other biological sludges...
A base-enriched anaerobic mixed microflora was used for hydrogen fermentation from sucrose in a laboratory scale model completely stirred tank bioreactor operating at 35°C. The purpose of the study was to determine the microflora hydrogenic activity and its effects from the change of hydraulic retention time (HRT, 2–12h). The experimental results indicate that base-enriched mixed microflora could...
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