期刊
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
卷 41, 期 10, 页码 1474-1486出版社
WILEY
DOI: 10.1002/er.3728
关键词
reverse electrodialysis; salinity gradient energy; natural organic matters; power density
资金
- Ministry of Research, Technology and Higher Education, the Republic of Indonesia [022/SP2H/LT/DRPM/II/2016]
In this paper, the effect of natural organic matters (NOMs), which are typically present in river and seawater, on the power generation of reverse electrodialysis was studied. Bovine serum albumin, humic acid, and sodium alginate were used as models of NOMs. A NOM model was added to concentrated salt water, diluted salt water, and/or both of them. Power density was used to measure the resulted power generation. Fourier transform infrared spectroscopy and scanning electron microscope were used to characterize the presence of NOMs on the membrane surfaces. The effect of NOMs on the generated power density was clearly observed. This effect was influenced by the NOM's type, the NOMs concentration, and the compartment in which NOMs are added. Fourier transform infrared spectroscopy and scanning electron microscope data confirmed that NOMs are deposited on both anion and cation exchange membrane surfaces. While all NOMs added to concentrated salt water did not influence the generated power density, different power density behavior was resulted from the different NOMs added to diluted salt water, where NOMs could increase or decrease or remain the generated power density. Thus, besides NOM's type, the salt concentration is very critical to determine the effect of NOMs on the generated power density. Copyright (c) 2017 John Wiley & Sons, Ltd.
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