Folcik Alexandra M, Ruggles Shelby A, Pillai Suresh D
Interdisciplinary Faculty of Toxicology, Texas A&M University, College Station, Texas 77843, United States.
Exponent, Maynard, Massachusetts 01754, United States.
ACS Omega. 2023 Mar 28;8(14):12664-12670. doi: 10.1021/acsomega.2c07448. eCollection 2023 Apr 11.
Studies were performed to investigate the effects of surface water quality parameters on the degradation of microcystin-LR (MC-LR) using high-energy electron beam (eBeam) technology. Surface water samples were collected across different geographic locations in the United States. Water quality parameters including pH, alkalinity, TDS, and dissolved oxygen were measured in all samples. Degradation of MC-LR in all samples, regardless of parameter concentrations, was above 99%. The effect of natural organic matter (NOM) on MC-LR degradation was also investigated in the presence of fulvic acid. Similarly, the degradation efficiency of MC-LR exceeded 99% for all concentrations of fulvic acid at 5 kGy. This study suggests that surface water quality has a negligible effect on the degradation of MC-LR via eBeam treatment. The results indicate that eBeam technology is a promising technique for the treatment of water contaminated with microcystins.
开展了多项研究，以调查地表水质参数对使用高能电子束（eBeam）技术降解微囊藻毒素-LR（MC-LR）的影响。在美国不同地理位置采集了地表水样本。对所有样本测量了包括pH值、碱度、总溶解固体（TDS）和溶解氧在内的水质参数。无论参数浓度如何，所有样本中MC-LR的降解率均高于99%。在富里酸存在的情况下，还研究了天然有机物（NOM）对MC-LR降解的影响。同样，在5千戈瑞剂量下，所有浓度富里酸对应的MC-LR降解效率均超过99%。本研究表明，地表水质对通过电子束处理降解MC-LR的影响可忽略不计。结果表明，电子束技术是一种处理受微囊藻毒素污染水体的有前景的技术。
