
Complexation of humic acid with Fe ions upon persulfate/ferrous ...
Nov 15, 2020 · The complexation of humic acid (HA) with dissolved Fe ions is beneficial to 2,4-dinitrotoluene degradation by PS/Fe 2+, while the mechanism on HA binding with Fe ions is still unclear and warrants further exploration. In this study, the binding characteristics of HA with Fe ions and structural variations of HA during the complexation with Fe ...
环境因素对铁与腐殖酸络合的影响。,Journal of Environmental …
Jan 20, 2015 · 开发了一种尺寸排阻色谱结合紫外分光光度法和离线石墨炉原子吸收光谱法的方法,以评估水环境中铁(Fe)和腐殖酸(HA)的络合性能。研究了影响Fe和HA络合的因素,例如离子强度,pH,温度和UV辐射。还研究了Fe-HA复合物的停留时间。实验结果表明,pH可以影响 ...
铁腐殖酸对厌氧氨氧化过程的影响及潜在机理 - stae.com.cn
为探究铁-腐殖酸复合物(iron-humic acid complex,Fe-HA)对厌氧氨氧化过程的影响及潜在机理,本研究对比了添加Fe-HA的RFe-HA反应器与对照RCON反应器在脱氮性能、污泥特性以及微生物菌群结构上的差异,并探讨了潜在机理。
Insights to Fe(II) on the fate of humic acid and humic acid Fe …
Apr 1, 2023 · Results showed that Fe (II) and HA formed the lower water-soluble HA-Fe, promoting the HA removal. HA-Fe with stronger electron transfer capacity constituted the interface with microorganisms to forming the biogeobattery effect.
Fe(II) 对同时部分硝化、厌氧氨氧化和反硝化 (SNAD) 系统中腐植酸和腐植酸 Fe …
研究了 fe(ii) 对腐植酸 (ha) 转化的作用以及腐植酸 fe (ha-fe) 对同时部分硝化、厌氧氨氧化和反硝化 (snad) 系统的影响。添加 fe(ii) 后,ha 含量降低,ha 对 snad 系统的抑制作用释放。结果表明,fe(ii) 和 ha 形成较低的水溶性 ha-fe,促进 ha 的去除。
与水铁矿共沉淀的腐殖酸的粒径,电荷和胶体稳定性 …
Dec 10, 2013 · 电泳zeta电位测量显示Fe-HA大分子具有负表面电荷,为聚集提供强大的静电屏障。 在碱性条件下,HA链膨胀,这导致胶体颗粒的稳定性增强。 Zeta电位和Fe-HA大分子尺寸的增加反映了两者与pH的线性关系。
Influence of Humic Acid Complexation with Metal Ions on ... - Nature
Nov 23, 2015 · In this study, HA-metal (HA-M) complexes (HA-Fe, HA-Cu and HA-Al) were prepared and characterized. The electron shuttle capacities of HA-M complexes were experimentally evaluated...
New insight into the role of humic acid in Vis/Fe(III)/PDS system ...
Dec 31, 2024 · Humic acid (HA) as a natural reducing ligand was employed to accelerate the Fenton and Fenton-like processes, however, the potential role of photosensitivity was overlooked. This research showed that HA exhibits more significant promotion for levofloxacin (LVF) degradation under light conditions compared to darkness.
Fe/HA修饰阳极对MFC产电和脱氮性能的影响 - 参考网
Jul 14, 2022 · 摘要:為了选取具有较高氧化还原活性的铁腐殖酸复合物(Fe/HA)作为阳极材料,开展Fe/HA修饰阳极对MFC产电和硝酸盐降解性能影响的研究。 通过电沉积法制备Fe/HA修饰阳极,利用扫描电子显微镜(SEM)和傅里叶红外光谱(FTIR)对Fe/HA修饰阳极的表面形貌特征和活性官能团进行表征;同时采用循环伏安曲线(CV)、塔菲尔曲线(Tafel)和交流阻抗曲线(EIS)对Fe/HA修饰阳极的电化学性能进行测量;并以硝酸盐废水为模拟废水,考察Fe/HA修 …
Fe-ICG@MOF@HA(吲哚菁绿调控的铁基金属有机框架纳米材料 …
ha:作为最外层的修饰物,透明质酸通过其生物相容性和亲水性,进一步提高了fe-icg@mof纳米材料的稳定性和靶向性。 功能与应用: 近红外荧光成像:利用ICG的近红外荧光特性,Fe-ICG@MOF@HA纳米材料可用于实时监测药物在体内的分布和治疗效果。
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