Fe-NS/BC@SACs+PMS体系降解水中苯胺的效能与机理
为解决生物炭(BC)催化过一硫酸盐(PMS)高级氧化技术存在的催化效率受限、体系稳定性差、制备工艺复杂等不足,以虾壳为碳源,采用一锅热解法制备了氮、硫共掺杂锚定铁单原子生物炭催化剂(Fe-NS/BC@SACs),并构建了Fe-NS/BC@SACs+PMS体系用于降解苯胺。考察了该体系对苯胺的降解效能,包括影响因素(初始pH、催化剂投加量、PMS投加量、污染物浓度)、体系稳定性、出水生物毒性控制及污染物矿化效果等;在此基础上,进一步鉴定了反应中间产物和活性物质,提出了降解路径并揭示了反应机理。结果表明 ...
韩琦 +5 more
doaj
[Preparation of mesoporous covalent organic framework core-shell stationary phase and its application in the analysis of astragaloside Ⅳ content in <i>Astragalus</i>]. [PDF]
Zhao XY +7 more
europepmc +1 more source
本发明涉及一种在常压下由苯胺合成硫代氨基甲酸酯的方法,在硒作用下,有机碱存在下,苯胺与硫化物在常压CO存在下能很好的进行羰基化反应,得到硫代氨基甲酸酯,同时产生硒化氢。硒化氢在空气中被氧化后又重新得到硒,其活性保持不变。反应在无溶剂条件下或在有机溶剂中进行。硫化物中的取代基可为烷基或带一种或多种给电子基或吸电子基的芳基。硫化物与苯胺的物料摩尔比为10∶1至1∶10;硒的摩尔用量与反应物中摩尔用量较少的一方等同;有机碱的摩尔用量为反应物中摩尔用量较少一方的1~400%;反应物与有机溶剂的配制摩尔比为1 ...
陆世维, 张晓鹏
core
聚苯胺Langmuir-Blodgett膜的电聚合制备及电化学性质
在加有苯胺的亚相上,铺展硬脂酸分子,在气液界面上可形成苯胺-硬脂酸Langmuir膜.随膜压增大至5.0×10 ̄(-6)N时,苯胺与硬脂酸间的氢键会发生重排,形成另外一种构型的Langmuir膜,分子所占面积减小,膜增加一个苯环的厚度.将膜转移到SnO_2导电玻璃基底上,制成硬脂酸-苯胺Langmuir-Blogdett膜,经电化学氧化,苯胺可聚合成薄膜。膜夹在两层硬脂酸分子间,它的电化学行为不仅受到离子膜中传输过程的影响,同时受到硬脂酸极性亲水端(-COO ...
张韫宏 +1 more
core
[Determination of six whitening ingredients in cosmetics by ultra performance liquid chromatography coupled with photodiode array detector and corona charged aerosol detector]. [PDF]
Li X +8 more
europepmc +1 more source
[Research progress on high performance liquid chromatography stationary phases based on mixed mode]. [PDF]
Li SJ, Li Z, Tang ZX, Lyu M, Wang LT.
europepmc +1 more source
[Development of high-performance chromatographic materials and their application in herbalome research since 2020]. [PDF]
Feng J +8 more
europepmc +1 more source
[Preparation of chiral micro-packed high performance liquid chromatography column with small-size silica gel coated with amylose tris(3,5-dimethylphenylcarbamate)]. [PDF]
Zhang CG +5 more
europepmc +1 more source
[Research progress on sample pretreatment technology for the analysis of new pollutants in food using composite covalent organic framework materials]. [PDF]
Sun ZY, Yuan GN, Niu YY, Ma JP.
europepmc +1 more source
[Pathogenic mechanisms and advances in the diagnosis and treatment of co-occurring psychiatric and psychological symptoms in patients with liver cirrhosis]. [PDF]
Gong H +6 more
europepmc +1 more source

