Gongye shui chuli从好氧活性污泥中筛选出了一株能降解酚类化合物的菌株Pseudomonas sp. LST11，探究了在苯酚介导下该菌株对两种难降解性酚类化合物（2，6-二氯苯酚和对氯间甲酚）的高效降解特性及驱动机制。结果表明，与非介导组相比，2，6-二氯苯酚和对氯间甲酚对细菌的抑制期分别缩短84 h和96 h，平均降解速率分别提升约5.9倍和7.6倍。进一步探究机制表明，介导期内在苯酚的刺激下可以有效提升菌株胞外聚合物的分泌量和总抗氧化能力水平，菌株分泌的多糖和蛋白总量达到87.7 mg/L，总抗氧化能力水平达到2 ...
蒋慧强 +4 more
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Gongye shui chuli, 2019 采用水热法将GO和TNTs复合，制备了一种新型还原氧化石墨烯/二氧化钛纳米管复合材料（rGO/TNTs）。采用BET、XRD、FT-IR对制备的材料进行了表征，并研究了rGO/TNTs协同降解水中Cr（Ⅵ）和苯酚的性能。结果表明，在Cr（Ⅵ）和苯酚共存二元体系中，rGO/TNTs对Cr（Ⅵ）和苯酚的光催化降解反应动力学常数约为其各自单体系的6.3倍和1.2倍；低pH可促进Cr（Ⅵ）和苯酚的去除，而共存无机阴离子对其具有抑制作用。·OH和空穴主导苯酚降解，光生电子直接还原Cr（Ⅵ）。
李红艳 +5 more
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Gongye shui chuli, 2004 研究了环境中荷尔蒙类化合物2,4-二氯苯酚的紫外吸收光谱,最大吸收峰位于286nm,在该波长下,其吸光度与2,4-二氯苯酚的浓度在一定范围内符合朗伯比耳定律,据此建立了2,4-二氯苯酚的紫外光谱分析法。方法的线性范围5-50mg/L,线性方程为A=0.0125x+0.0158,相关系数r=0.9991,测定质量浓度为20mg/L的2,4-二氯苯酚(n=10)的相对标准偏差为2%,方法的检出限为0.48mg/L。用本方法测定上海市苏州河中的2,4-二氯苯酚含量,结果令人满意,回收率为92.0%-104.5%
李金花, 庄惠生
doaj
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