Development of a low-cost atmospheric non-thermal plasma jet and its characteristics in air and nitrogen

Allam, Tarek M.; Ahmed, Kamal M.; Abouelatta, Mohamed; Ward, Sayed A.; Lashin, Ahmed; Soliman, Hanaa

doi:10.1051/epjap/2016160235

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…To measure the plasma voltage during treatment, the plasma electrodes were outfitted with a high-voltage probe (P5101) with a division ratio of 1/1000. Moreover, the plasma current was obtained from the measurements of the voltage across a high-voltage resistor 25 Ω, which also was used to protect the electric circuit from high short-circuit current, and then divided by 25 Ω to get the current value (Allam et al 2016 ), see Fig. 1 , and an oscilloscope (25 MHz) was used to observe the electrical characteristics; more details about the reactor setup can be found in Fig.…”

Section: Methodsmentioning

confidence: 99%

Cold atmospheric plasma: a sustainable approach to inactivating viruses, bacteria, and protozoa with remediation of organic pollutants in river water and wastewater

Hamza,

El-Kalliny,

Abd‑Elmaksoud

et al. 2023

Environ Sci Pollut Res

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Innovative technologies are needed to enhance access to clean water and avoid waterborne diseases. We investigated the performance of cold atmospheric plasma (CAP), a clean and sustainable approach for microbial inactivation and total organic carbon (TOC) degradation in environmental water. Water matrices played a crucial role in the performance of CAP efficacy; for example, complete removal of ɸX174 from dH2O required 1 min of treatment, while ɸX174 reductions of ~ 2log10 and 4log10 were obtained after 10 min of CAP exposure in river water and wastewater samples, respectively. Similarly, after 10 min of CAP treatment, bacterial concentrations decreased by 3 log10 and 4 log10, in river and wastewater samples, respectively. In contrast, after 30 s of contact time, a 4 log10 reduction of bacteria was accomplished in dH2O. Complete removal of Acanthamoeba from dH2O was found after 30 min of CAP treatment, whereas it was not removed from surface water or wastewater at the same exposure time. Additionally, the approach successfully reduced TOC, and the degradation kinetics of TOC were represented by pseudo-first-order. CAP showed higher rates of TOC degradation in the final effluent of the wastewater treatment plant compared to surface water. The difference in CAP performance between river water and wastewater could be attributed to the bulk structure of humic acids in river water compared to small organic byproducts in the final effluent of WWTP. Overall, the findings reported here support the idea that CAP holds promise as a sustainable solution for controlling pathogens, removing organic water pollution, and integrating with traditional purification processes. Low-cost systems may advance CAP technology and increase its widespread use.

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Section: Methodsmentioning

confidence: 99%