Song, Kai;Ren, Xu;Zhang, Qiaoyun;Xu, Linghan;Liu, Dan published 《Electrochemical treatment for leachate membrane retentate: Performance comparison of electrochemical oxidation and electro-coagulation technology》. The research results were published in《Chemosphere》 in 2022.HPLC of Formula: 119-47-1 The article conveys some information:
With the widespread use of membrane in advanced treatment of leachate, China produces a large amount of leachate membrane retentate (LMR) (23.4 million tons) annually, which is usually treated by incineration or recirculation in engineering, but these technologies have many drawbacks. LMR is suitable for electrochem. treatment due to its high elec. conductivity This study compared the performances of electrochem. oxidation (EO) and electro-coagulation (EC) technol. on LMR treatment under different exptl. conditions, including anode material, c.d., initial pH and reaction time. We found that EO optimal conditions achieved 70.1%, 83.1%, 78.7%, 98.7%, and 69.7% removal of total organic carbon (TOC), UV absorption (at 254 nm), chromaticity, ammonia nitrogen (NH3-N), and total nitrogen (TN), resp. Compared with EO, EC exhibited a similar removal ability for organics and better removals of chroma, but much less performance for removing nitrogen pollutants in the same reaction time, i.e., removals of NH3-N and TN were only 31.5% and 36.2%, resp. Meanwhile, EC showed much higher instantaneous current efficiency of COD than EO under its optimal reaction time (120 min). In addition, the UV-Vis spectra and 3D fluorescence spectra indicated that EO exhibited relatively outstanding performance in decomposing dissolved organic matter (DOM) with rather complicated structures than EC. Also, the flow field-flow fractionation technique demonstrated that EO preferentially destroy humic-like, large mol. weight DOM, and converting them to smaller mols., which resulted in more volatile organic compounds in EO samples than EC samples. While EC had little selectivity in the removal of organics, except humic-like DOM with relative small mol. These findings can provide a theor. basis for the electrochem. treatment of LMR. And 2,2-Methylenebis(6-tert-butyl-p-cresol) (cas: 119-47-1) was used in the research process.
HPLC of Formula: 119-47-12,2′-Methylenebis(4-methyl-6-tert-butylphenol)(CAS: 119-47-1) is a natural product found in Streptomyces and Aspergillus fumigatus .
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