CN107662972A - Fenton法同时降解三种氨基甲酸酯类农药的方法 - Google Patents
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Abstract
本发明涉及一种Fenton法同时降解三种氨基甲酸酯类农药即速灭威、克百威和抗蚜威的方法。其特点是:(1)首先取同时含有速灭威、克百威和抗蚜威三种农药的水溶液置于容器中;(2)按照三种农药的总质量与FeSO4的质量之比为2.08‑3.12mg:1g,称取FeSO4加入该溶液中,混合均匀,然后按照三种农药的总质量与30%H2O2的体积比为0.42‑0.50mg:1mL,向混合均匀后的溶液中迅速加入30%H2O2,混合均匀,连续搅拌2‑3h,最后用0.22‑0.45μm微孔滤膜过滤即可。通过本发明的方法采用Fenton法降解三种氨基甲酸酯类农药取得了较好的效果。
Description
技术领域
本发明涉及一种Fenton法同时降解三种氨基甲酸酯类农药即速灭威、克百威和抗蚜威的方法。
背景技术
氨基甲酸酯类农药是一种植物源杀虫剂,具有杀虫效果好、分解快、残留期短、对人畜毒性低等优点,正逐步替代有机氯农药和部分替代有机磷农药,用量逐年增加,是全世界范围内使用最为广泛农药种类之一,但是,若长期大量地使用氨基甲酸酯类农药,在确保农作物增产丰收的同时,大量残留在农作物中的农药不仅会对人体产生直接毒害,而且对生态环境造成污染。因此,如何有效治理农药污染成为了一个亟待解决的问题。
Fenton试剂是1894年,英国人H.J.H.Fenton首次研究表明,H2O2在Fe2+离子的催化作用下具有氧化多种有机物的能力。过氧化氢与亚铁离子的结合即为Fenton试剂,其中Fe2+离子主要是作为同质催化剂,而H2O2则起氧化作用。Fenton试剂具有极强的氧化能力,温度和压力等反应条件缓和且无二次污染等优点,特别适用于某些难生物降解的或对生物有毒性的工业废水的处理上,所以Fenton氧化法越来越受到人们的广泛关注。据调查,用于枸杞病虫害防治的氨基甲酸酯类农药主要有速灭威、抗蚜威和百克威等,这三种农药在确保枸杞增产丰收的同时,长期使用,又会对环境和人类存在潜在的危险。因此,研究采用Fenton法降解氨基甲酸酯类农药对降低农药毒性、保护生态环境具有举足轻重的作用。目前,还未见有关其采用Fenton法降解速灭威、抗蚜威和百克威的相关报道。
发明内容
本发明的目的是提供一种Fenton法同时降解三种氨基甲酸酯类农药的方法,能够有效降低三种氨基甲酸酯类农药即速灭威、克百威和抗蚜威的含量。
一种Fenton法同时降解三种氨基甲酸酯类农药的方法,其特别之处在于:
(1)首先取同时含有速灭威、克百威和抗蚜威三种农药的水溶液置于容器中;
(2)按照三种农药的总质量与FeSO4的质量之比为2.08-3.12mg:1g,称取FeSO4加入该溶液中,混合均匀,然后按照三种农药的总质量与30%H2O2的体积比为0.42-0.50mg:1mL,向混合均匀后的溶液中迅速加入30%H2O2,混合均匀,连续搅拌2-3h,最后用0.22-0.45μm微孔滤膜过滤即可。
其中搅拌是在磁力搅拌器中于25±1℃和10-30r/min条件下进行。
经过试用证明,通过本发明的方法采用Fenton法降解三种氨基甲酸酯类农药取得了较好的效果,速灭威、克百威和抗蚜威的降解率分别达到95.5%、98.9%和93.5%,证明该方法可行,采用本发明的方法可以有效降解三种氨基甲酸酯类农药的含量,方法准确度高,重现性好。该方法可以用于降解枸杞或其它农产品的三种氨基甲酸酯类农药,从而保证农产品质量并且保护环境。
附图说明
图1为本发明中混合标品的色谱图;
图2为本发明中时间对降解率的影响图;
图3为本发明中FeSO4用量对降解率的影响图;
图4为本发明中H2O2用量对降解率的影响图。
具体实施方式
本发明方法采用Fenton法同时降解三种氨基甲酸酯类农药,并且优化了降解时间、FeSO4用量和H2O2用量对降解率的影响,在优化的条件下,速灭威、克百威和抗蚜威的降解率分别达到95.5%、98.9%和93.5%。
具体通过以下措施来实现:
三种氨基甲酸酯类农药的降解采用Fenton法,主要加入FeSO4和H2O2,三种农药含量的检测采用高效液相色谱,采用紫外检测器,检测波长258-308nm。其色谱条件中固定相用十八烷基硅烷键合硅胶为填充剂;流动相采用甲醇-水体系。
实施例1:
1.1仪器和材料:
AGILENT-1100高效液相色谱仪,UV-2450紫外可见分光光度计,QP2010气质联用仪,AL204电子天平,DF-101Z集热式恒温加热磁力搅拌器,SHZ-Ⅲ型循环水真空泵,DY-2000旋转蒸发器。
1.2药品与试剂:
甲醇(色谱纯),FeSO4和30%H2O2(分析纯),速灭威、克百威、抗蚜威对照品(购自国家标准物质中心),实验室用水为超纯水。
1.3对照品储备液:
分别精密准确称取抗蚜威、克百威和速灭威对照品各0.0100g,用甲醇溶解,转移至10mL容量瓶中,定容至刻度,摇匀,分别配制成1000μg/mL的对照品溶液,分别记为1号、2号、3号样品。
2方法:
2.1色谱条件:
色谱柱:Zorbax SB-C18柱(5μm,250mm×4.6mm),流动相:甲醇(A):水(B)(0:100)(0min)—A:B(100:0)(20min);柱温:25℃;检测波长:258nm(0min)—276nm(17min)—308nm(18min);流速:1.0mL/min;进样量:100μL。
2.2线性范围:
依次分别从1.3得到的1-3号样品吸取0、1.0、3.0、5.0、8.0、10.0μL,混合注入液相色谱仪,按色谱条件测定,以峰面积和对照品体积做校正曲线,Y代表峰面积,X代表体积,R代表相关系,得到速灭威、克百威、抗蚜威的回归方程分别为:Y=108.55X+3.5783,R2=0.9993;Y=863.49X+70.835,R2=0.9978;Y=5875.7X+62.847,R2=0.9978。
2.3供试品前处理方法:
2.3.1降解时间的确定。
分别准确移取1000μg/mL速灭威1.0mL,克百威1.0mL,抗蚜威0.5mL于锥形瓶中,加入H2O至50mL,称取FeSO41.0g于上述溶液中,混合均匀,迅速加入6mL30%H2O2,混合均匀,置于磁力搅拌器中搅拌,分别在0h,2h,4h,6h,8h,10h取样,过滤,高效液相色谱(HPLC)测定。
2.3.2 Fenton试剂中FeSO4用量的确定。
分别准确移取1000μg/mL速灭威1.0mL,克百威1.0mL,抗蚜威0.5mL于锥形瓶中,加入H2O至50mL,分别准确加入FeSO40.4g,0.6g,0.8g,1g,1.2g,加入6mL30%H2O2,混合均匀,置于磁力搅拌器搅拌,分别在0h,2h取样,过滤,高效液相色谱(HPLC)测定。
2.3.3 Fenton试剂中H2O2用量的确定。
分别准确吸取1000μg/mL速灭威1.0mL,克百威1.0mL,抗蚜威0.5mL于锥形瓶中,加入H2O至50mL,FeSO41.0g,分别准确加入30%H2O22mL、4mL、5mL、6mL,混合均匀,置于磁力搅拌器中搅拌,分别在0h,2h取样,过滤,高效液相色谱(HPLC)测定。
上述实施例中未提及的部分可以参见发明内容。
3实验结果:
按2.3前处理方法处理样品,制得供试品溶液各3份,各取100μL进样,测定,由标准曲线方程计算样品中速灭威、克百威和抗蚜威的含量,速灭威、克百威和抗蚜威的标准品色谱图及不同降解时间、不同FeSO4用量和不同H2O2用量对降解效率的影响如附图1、图2、图3、图4所示。
3.1降解时间的确定
由图2可知,随着时间的增加,三种农药的含量逐渐减少。在0-2h降解的情况最好,降解率分别达到速灭威95.5%,克百威98.9%,抗蚜威93.5%,2h之后逐渐趋于平缓。因此本实验选择2h作为降解实验的平衡时间。
3.2 FeSO4用量的确定
由图3可知,在0g<m(FeSO4)<1g时降解率迅速提高,当m(FeSO4)=1g时,三种农药的降解率达到最高,分别为速灭威95.5%,克百威98.9%,抗蚜威93.5%,在m(FeSO4)>1g时,降解率呈下降趋势。因此本实验选择m(FeSO4)=1g作为降解实验的最佳条件。
3.3 H2O2用量的确定
由图4可知,随着H2O2量的增加,三种农药的含量逐渐减少。在30%H2O2为6mL,农药的降解情况较好,降解率分别为速灭威95.5%,克百威98.9%,抗蚜威93.5%,当30%H2O2>6mL,降解逐渐趋于平缓。因此本实验选择30%H2O2为6mL作为降解实验的最佳条件。
经过试用证明,通过本发明的方法采用Fenton法降解三种氨基甲酸酯类农药取得了较好的效果,速灭威、克百威和抗蚜威的降解率分别达到95.5%、98.9%和93.5%,证明该方法可行,采用本发明的方法可以有效降解三种氨基甲酸酯类农药的含量,该方法准确度高,重现性好,该方法为保证枸杞质量、保护环境提供了参考。
Claims (2)
1.一种Fenton法同时降解三种氨基甲酸酯类农药的方法,其特征在于:
(1)首先取同时含有速灭威、克百威和抗蚜威三种农药的水溶液置于容器中;
(2)按照三种农药的总质量与FeSO4的质量之比为2.08-3.12mg:1g,称取FeSO4加入该溶液中,混合均匀,然后按照三种农药的总质量与30%H2O2的体积比为0.42-0.50mg:1mL,向混合均匀后的溶液中迅速加入30%H2O2,混合均匀,连续搅拌2-3h,最后用0.22-0.45μm微孔滤膜过滤即可。
2.如权利要求1所述的Fenton法同时降解三种氨基甲酸酯类农药的方法,其特征在于:其中搅拌是在磁力搅拌器中于25±1℃和10-30r/min条件下进行。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1513569A (zh) * | 2003-07-28 | 2004-07-21 | 华南农业大学 | 去除有机磷及氨基甲酸酯农药残留的方法 |
CN1644528A (zh) * | 2004-12-22 | 2005-07-27 | 南开大学 | 臭氧/双氧水联合处理含农药废水的装置及工艺 |
CN103803752A (zh) * | 2012-11-06 | 2014-05-21 | 中国石油化工股份有限公司 | 一种高盐高有机物废水的处理方法 |
CN104098208A (zh) * | 2014-07-14 | 2014-10-15 | 湖南海利常德农药化工有限公司 | 农药硫双灭多威废水的预处理方法 |
CN105461123A (zh) * | 2015-12-24 | 2016-04-06 | 海利贵溪化工农药有限公司 | 一种农药甲托生产废水的预处理方法 |
-
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1513569A (zh) * | 2003-07-28 | 2004-07-21 | 华南农业大学 | 去除有机磷及氨基甲酸酯农药残留的方法 |
CN1644528A (zh) * | 2004-12-22 | 2005-07-27 | 南开大学 | 臭氧/双氧水联合处理含农药废水的装置及工艺 |
CN103803752A (zh) * | 2012-11-06 | 2014-05-21 | 中国石油化工股份有限公司 | 一种高盐高有机物废水的处理方法 |
CN104098208A (zh) * | 2014-07-14 | 2014-10-15 | 湖南海利常德农药化工有限公司 | 农药硫双灭多威废水的预处理方法 |
CN105461123A (zh) * | 2015-12-24 | 2016-04-06 | 海利贵溪化工农药有限公司 | 一种农药甲托生产废水的预处理方法 |
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