Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5147741 | International Journal of Hydrogen Energy | 2017 | 6 Pages |
Abstract
A real textile desizing wastewater (TDW) was coagulation-pretreated to enhance its potential of biohydrogen production. Batch fermentation showed that the hydrogen production was efficiently enhanced (550 and 120% increments for hydrogen production rate and hydrogen yield, respectively) and the production performance was substrate-concentration dependent. A peak hydrogen production rate of 3.9Â L/L-d and hydrogen yield of 1.52Â mol/mol hexose were obtained while using coagulant GGEFloc-653 at a dosage of 1Â g/L to pretreat TDW with the concentration of 15Â g total sugar/L. The coagulation-pretreatment could have butyrate-type fermentation with high biohydrogen production and the removed some toxic materials that might drive the metabolic pathways to those not favoring biohydrogen production. Based on the data obtained, strategies to operate the coagulation and biohydogen fermentation are suggested. Moreover, fermentation effluent utilization such as for two-stage biogas production and further biohythane (a mixture of H2 and CH4) generation are also elucidated.
Related Topics
Physical Sciences and Engineering
Chemistry
Electrochemistry
Authors
Chiu-Yue Lin, Chih-Cheng Chiang, Mai-Linh Thi Nguyen, Chi-How Lay,