Utilization of waste rapeseed oil by rotating gliding arc plasma

Wu, Angjian; Li, Xiaodong; Chen, Lu; Zhu, Fengsen; Zhang, Hao; Du, Changming; Yan, Jun

doi:10.1016/j.ijhydene.2015.05.158

Cited by 18 publications

(7 citation statements)

References 42 publications

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“…To address the issue, the rotating-arc plasma driven by the Lorentz force in an external magnetic field is one promising way [28][29][30]. The intensified flow turbulence caused by rotating will improve the uniformity of plasma, and the feeding of reactant above the plasma jet in such reactor will enhance the mixing of reactant with hot plasma.…”

Section: Introductionmentioning

confidence: 99%

Hydropyrolysis of n-Hexane and Toluene to Acetylene in Rotating-Arc Plasma

Zhang

et al. 2017

Energies

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Thermal plasma pyrolysis is a powerful technology for converting waste or low-value materials to valuable gaseous hydrocarbons. This paper presents for the first time the hydropyrolysis of n-hexane and toluene in a rotating-arc plasma reactor. Effects of the mole ratio of H/C in the feed, power input and magnetic induction were investigated to evaluate the reaction performance. A lower H/C ratio could lead to a lower yield of C 2 H 2 and lower specific energy consumption, and there existed an optimum range of power input for both n-hexane and toluene pyrolysis within the investigated range. The yield of C 2 H 2 in n-hexane and toluene pyrolysis could reach 85% and 68%, respectively, with respective specific energy consumption (SEC) of 13.8 kWh/kg·C 2 H 2 and 19.9 kWh/kg·C 2 H 2 . Compared with the results reported in literature, the rotating-arc plasma process showed higher C 2 H 2 yield and lower energy consumption, which is attributed to the better initial mixing of the reactant with the hot plasma gas and the more uniform temperature distribution.

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Section: Introductionmentioning

confidence: 99%

Hydropyrolysis of n-Hexane and Toluene to Acetylene in Rotating-Arc Plasma

Zhang

et al. 2017

Energies

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“…In Figure 2 C,

and

were approximately 1 and 0.92, respectively, while the intense background signal corresponded to the effect of fatty acids. It was conjectured that although ICP plasma could partly break down long aliphatic chains of oil into light molecules such as aromatic hydrocarbons, alkanes, olefins etc., it was still too low to support the self-assembly of carbon atoms [ 16 ].…”

Section: Resultsmentioning

confidence: 99%

“…Seo et al used natural honey as a green carbon source to obtain VG sheets using inductively coupled plasma (ICP), and attempted application in gas- and bio-sensing [ 4 ]. Wu et al converted waste rapeseed oil into hydrogen and carbon materials using gliding arc plasma, and analyzed the discharge characteristics in plasma [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Upcycling Waste Lard Oil into Vertical Graphene Sheets by Inductively Coupled Plasma Assisted Chemical Vapor Deposition

Yang

et al. 2017

Nanomaterials

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Vertical graphene (VG) sheets were single-step synthesized via inductively coupled plasma (ICP)-enhanced chemical vapor deposition (PECVD) using waste lard oil as a sustainable and economical carbon source. Interweaved few-layer VG sheets, H2, and other hydrocarbon gases were obtained after the decomposition of waste lard oil. The influence of parameters such as temperature, gas proportion, ICP power was investigated to tune the nanostructures of obtained VG, which indicated that a proper temperature and H2 concentration was indispensable for the synthesis of VG sheets. Rich defects of VG were formed with a high ID/IG ratio (1.29), consistent with the dense edges structure observed in electron microscopy. Additionally, the morphologies, crystalline degree, and wettability of nanostructure carbon induced by PECVD and ICP separately were comparatively analyzed. The present work demonstrated the potential of our PECVD recipe to synthesize VG from abundant natural waste oil, which paved the way to upgrade the low-value hydrocarbons into advanced carbon material.

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“…Zhao et al 188 employed a DC plasma torch consisting of a rod-shaped, tungsten-made cathode and a tube-shaped, water-cooled, copper-made anode to facilitate biomass pyrolytic conversion in an argon/hydrogen plasma to produce H 2 , CO, C 2 H 2 , and CH 4 with up to 79% carbon conversion. Wu et al 199 attempted to convert waste rapeseed oil into valuable chemicals using a rotating AC gliding arc plasma. Higher oil and syngas production and better energy efficiency were attained at an elevated applied voltage.…”

Section: Plasma Technology For Biomass Conversionmentioning

confidence: 99%