Bai, Xinxin published the artcileRemediation of phenanthrene contaminated soil by coupling soil washing with Tween 80, oxidation using the UV/S2O82- process and recycling of the surfactant, Application of 1-Hydroxy-2-naphthoic acid, the publication is Chemical Engineering Journal (Amsterdam, Netherlands) (2019), 1014-1023, database is CAplus.
Surfactant-enhanced soil washing was applied to phenanthrene (PHE)-polluted soil, followed by a sulfate radical-based advanced oxidation process. Soil washing experiments were conducted using the nonionic surfactant Tween 80 (TW 80), assessing the effect of washing temperature, TW 80 concentration, and liquid:soil ratio on PHE removal. Maximum PHE removal (90.0%) was achieved with 15 g/L TW 80 and a 10:1 (mL/g) liquid:soil ratio at 20°. A UV/S2O82- process was used to selectively oxidize PHE in the effluent and recover TW 80. The regenerated effluent was re-used for soil washing; results showed PHE removal efficiency was nearly the same as with fresh surfactant solution The UV/S2O82- oxidation reaction was also assessed, including possible intermediate products detection by liquid chromatog./mass spectrometry; a corresponding degradative pathway of target pollutants was proposed. Overall result indicated toil washing with TW 80 and subsequent selective UV/S2O82- oxidation may provide a potential option to remediate polycyclic aromatic hydrocarbon-polluted soil.
Chemical Engineering Journal (Amsterdam, Netherlands) published new progress about 86-48-6. 86-48-6 belongs to alcohols-buliding-blocks, auxiliary class Organic Pigment,Natural product, name is 1-Hydroxy-2-naphthoic acid, and the molecular formula is C11H8O3, Application of 1-Hydroxy-2-naphthoic acid.
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