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Plasma Medicine

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ISSN Druckformat: 1947-5764

ISSN Online: 1947-5772

SJR: 0.216 SNIP: 0.263 CiteScore™:: 1.4 H-Index: 24

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Nonequilibrium Plasma Decontamination of Corn Steep Liquor for Ethanol Production: SO2 Removal and Disinfection

Volumen 6, Ausgabe 3-4, 2016, pp. 219-234
DOI: 10.1615/PlasmaMed.2016018656
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ABSTRAKT

The objective of this study is to investigate the effect of four plasma systems on corn steep liquor using (1) direct current spark discharge in liquid, (2) pulsed dielectric barrier discharge (DBD) with ultrafine misting, (3) reverse vortex gliding arc (RVGA), and (4) forward vortex gliding arc (FVGA) with droplet atomizer. The results show a notable reduction in bacteria using FVGA and RVGA, with a lower degree of reduction using spark discharge and DBD. DBD appears to accumulate the effect on SO2 but only up to a certain threshold. DBD treatment reduces SO2 level by 30% after 600 s. On the other hand, for spark discharge, the effect did not accumulate, although the treatment had the lowest reduction in SO2 levels among the tested methods. RGVA gives the best results with regard to SO2 levels. We found 60% SO2 was left in water treated by FVGA, and 20% SO2 was left in water treated by RVGA.

REFERENZIERT VON
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  3. Zhou Kemeng, Yu Jian, Ma Yaohong, Cai Lei, Zheng Lan, Gong Weili, Liu Qing-ai, Corn Steep Liquor: Green Biological Resources for Bioindustry, Applied Biochemistry and Biotechnology, 194, 7, 2022. Crossref

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