紫外高铁酸盐降解草甘膦

这篇经验总结会给广大网友阐述“紫外高铁酸盐降解草甘膦”的内容进行诠释，希望对广大农资人有一点帮助，现在让我们一起来看看吧！

1、烂根的除草剂哪一种质量最好？

这个问题很难回答“最好”的一种，因为每个人对于除草剂的质量标准可能不同。但如果仅从产品质量和口碑角度出发，Glyphosate（草甘膦）是烂根除草剂市场份额最大的品牌。Glyphosate是一种草甘膦酸盐类除草剂，可突破植物细胞壁，进入到植物体内，中断植物光合作用和氨基酸生物合成过程，导致植物死亡。另外，需要注意的是，不同的除草剂在使用时需要根据不同种类的植物以及作物的范围进行选择。化学助剂、真菌剂等配方中不同的化学品成分也可能对植物及环境产生不同的影响，使用时需要根据实际情况自行选择。

拓展好文：UVA

　　This paper investigat** ultraviolet A light-emitting diode (UVA-L**) irradiation to activate Fe(VI) for the degradation of micropollutants (e.g., sulfamethoxazole (**X), enrofloxacin, and trimethoprim). UVA-L**/Fe(VI) could significantly promote the degradation of micropollutants, with rates that were 2.6–7.2-fold faster than for Fe(VI) alone. Comparatively, UVA-L** alone hardly degrad** select** micropollutants. The degradation performance was further evaluat** in **X degradation via different wavelengths (365–405 nm), light intensity, and pH. Increas** wavelengths l** to linearly decreas** **X degradation rates because Fe(VI) has a lower molar absorption coefficient at higher wavelengths. Higher light intensity caus** faster **X degradation, owing to the enhanc** level of reactive species by stronger photolysis of Fe(VI). Significantly, **X degradation was gradually suppress** from pH 7.0 to 9.0 due to the changing speciation of Fe(VI). Scavenging and probing experiments for identifying oxidative species indicat** that high-valent iron species (Fe(V)/Fe(IV)) were responsible for the enhanc** degradation. A kinetic model involving target compound (TC) degradation by Fe(VI), Fe(V), and Fe(IV) was employ** to fit the TC degradation kinetics by UVA-L**/Fe(VI). The fitt** results reveal** that Fe(IV) and Fe(V) primarily contribut** to TC degradation in this system. In addition, transformation products of **X degradation by Fe(VI) and UVA-L**/Fe(VI) were identifi** and the possible pathways includ** hydroxylation, self-coupling, bond cleavage, and oxidation reactions. Removal of **X in real water also show** remarkable promotion by UVA-L**/Fe(VI). Overall, these findings could sh** light on the understanding and application of UVA-L**/Fe(VI) for eliminating micropollutants in water treatments.