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Cyclodextrins in environmental technologies as shown in the 18th International Cyclodextrin Symposium

机译：环境技术中的环糊精，如第18届国际环糊精专题讨论会所示

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摘要

The environmental application of cyclodextrins was one of the focuses of the 18th International Cyclodextrin Symposium held in Gainesville on May 19-21, 2016. Two of the 4 invited lectures, 7 of 24 oral presentations and 6 of 31 posters were related to this topic. Prof. Thomas Boving (University of Rhode Island, Kingston, USA) gave an overview on the CD-enhanced remediation (CDER) technologies [1]. Compared to the traditional pump & treat methods, which use simply water for the extraction of the contaminants from the soil, flushing the soil with HPBCD solution is an efficient technology reducing the treatment time with an order or two magnitudes as it was proved in several field tests. The enhanced solubility is an advantage in the in situ oxidation technologies (ISCO), too, therefore the combination of peroxone (O3 + H2O2) activated sodium persulfate system and the solubility-increasing additive, HPBCD resulted in enhanced efficacy. HPBCD was found to lengthen the half life time of ozone. A field test conducted at a former fire-training area proved the beneficial effect of applying HPBCD. The major contaminants at the site, 1,1,1-trichloroethane, dichlorobenzene and tetrachloroethene were removed in this pilot-scale field test.
机译：环糊精的环境应用是2016年5月19日至21日在盖恩斯维尔举行的第18届国际环糊精专题讨论会的重点之一。四个受邀的讲座中有两个，24个口头演讲中的7个和31海报中的6个与此主题有关。托马斯·博文（Thomas Boving）教授（美国罗德岛大学）对CD增强补救（CDER）技术进行了概述[1]。与传统的泵和治疗方法相比，它简单地用水从土壤中提取污染物，用HPBCD溶液冲洗土壤是一种有效的技术，可以减少一个或两个次数的订单或两个大小，因为它在几个领域证明了这一点测试。增强的溶解度也是原位氧化技术（ISCO）的优势，因此，过氧酮（O3 + H2O2）的组合激活了过硫酸钠系统和溶解度增强的添加剂，HPBCD导致了增强的功效。发现HPBCD可以延长臭氧的半寿命。在以前的火灾训练区进行的现场测试证明了应用HPBCD的有益作用。该地点的主要污染物，1,1,1-三氯乙烷，二氯苯和四氯乙烯在此试验尺度测试中被去除。

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