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Deterioration of frying oil greatly affects its nutritional quality. This study sought to establish how oil type affected the evolution of non‐volatile degradation products in frying oils. Frying experiments were applied with three different commercial oils (palm oil, rapeseed oil, soybean oil) known to be used in French fries, and the formed degradation products in oils were determined by classical...
Lignite is rich in oxygen-containing species (OCSs) and able to load Ni via ion exchange to prepare Ni/C catalyst. However, the OCSs usually exists in the form of organic salts, which can reduce the capacity of Ni ion exchange. In this paper, Shengli lignite (SL) was treated with HCl and HCl/HF to selectively remove the organic salts and insoluble minerals, respectively, and the modified lignite was...
Shengli lignite (SL) was oxidized and depolymerized in aqueous sodium hypochlorite under mild conditions followed by sequential extraction with ethoxyethane and ethyl acetate. The extracts were analyzed by Fourier transform infrared spectroscopy, gas chromatograph/mass spectrometry (GC/MS), time-of-flight mass spectrometry (TOF-MS) equipped with electrospray ionization (ESI), and direct analysis in...
Shengli lignite (SL) was pretreated in H 2 O 2 aqueous solution at 40°C for 4h to obtain pretreated SL (PTSL). Both the SL and PTSL were oxidized in NaOCl aqueous solution at 30 o C for 5h to investigate the effect of pretreatment (PT) on SL oxidation with NaOCl. Gas chromatography/mass spectrometry analysis shows that the PT with H 2 O 2 significantly increased...
Steam plasma jet (SPJ) was generated by phenol aqueous solution introduced into an original water plasma torch as plasma forming gas, which outflowed into phenol aqueous solution to conduct oxidation degradation of organic pollutants in aqueous solutions. The experimental results indicated that the phenol was not only rapidly decomposed in thermal plasma jet, but also degraded in phenol aqueous solution...
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