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Dive into the research topics where Yu Hongtao is active.

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Featured researches published by Yu Hongtao.


Chinese Science Bulletin | 2006

Preparation and characterization of aligned carbon nanotubes coated with titania nanoparticles

Yu Hongtao; Zhao Huimin; Quan Xie; Chen Shuo

Well-aligned carbon nanotubes coated with titania (TiO2) were prepared by atmospheric pressure chemical vapor deposition (APCVD), and the sequential experiments including carbon nanotubes preparation, air-oxidation purification and titania nanoparticles coating were performed at different temperatures in the same reactor. Scanning electron microscopy (SEM), transmission electron microscope (TEM), X-ray diffraction pattems (XRD), and energy-dispersive X-ray spectra (EDX) demonstrated the well-aligned nanotubes and TiO2 nanoparticles in close proximity and the average diameter of TiO2 nanoparticles was 11.5 nm.


Archive | 2018

连续流光催化消毒器灭活 E.coli 及病毒的性能

王晓婷; Wang Xiaoting; 刘洪君; Liu Hongjun; 李映辉; Li Yinghui; 陈硕; Chen Shuo; 于洪涛; Yu Hongtao; 郑祥; Zheng Xiang; 程荣; Cheng Rong

紫外消毒是污水处理常用技术.紫外线仅能破坏微生物的遗传物质,阻断其繁殖,并不能彻底杀死微生物,一旦停止紫外光照射,微生物可在修复酶的作用下恢复活性.光催化过程能产生强氧化性·OH,破坏细胞壁和细胞膜,彻底杀死微生物.为考察光催化技术消毒效率、抑制复活性能及应用潜力,在市售紫外消毒器中安装了光催化组件,搭建了连续流动式光催化消毒器.以大肠杆菌(E.coli)和噬菌体为目标物评价其消毒能力.紫外剂量50 mJ·cm-2条件下,初始浓度3.40×106 CFU·mL-1的E.coli原水流经紫外消毒器后被去除4.12 log10的E.coli,而流经光催化消毒器后去除4.79 log10.同时光催化处理后E.coli的光复活率仅为紫外消毒后的17%.连续运行40 h的灭菌能力稳定.光催化设备对噬菌体F2和噬菌体MS2的去除率分别为6.37 log10和6.00 log10,表明该设备也具有病毒去除能力.


Archive | 2017

天然/模拟海水中2, 4, 6-三溴苯酚的光化学行为研究

邓敏杰; Deng Minjie; 陈硕; Chen Shuo; 全燮; Quan Xie; 于洪涛; Yu Hongtao; 赵慧敏; Zhao Huimin

有机溴代苯酚类污染物在水体中普遍存在,尤其在海洋环境中,除人为污染源外,它还存在广泛的天然来源.以2,4,6-三溴苯酚为模型化合物,以氙灯(λ> 290 nm)作为模拟太阳光源,研究了海水中溴代苯酚的光化学过程,并系统考察了溴代苯酚初始浓度、Cl-、Fe(Ⅲ)和pH值等环境因素的影响.实验结果表明,在海水中,2,4,6-三溴苯酚能够快速发生光化学反应,通过产物分析发现其主要产物为通过光致脱溴氯代过程产生的2,4-二溴-6-氯苯酚,并且该产物随2,4,6-三溴苯酚初始浓度、Cl-浓度、Fe(Ⅲ)浓度的增大及溶液pH值的降低而增加.以明亮发光杆菌为受试生物的毒理学实验表明,2,4,6-三溴苯酚在海水中光化学的前期,系统的毒性效应增强,而毒性的增加可能主要由光致氯代过程导致.


Archive | 2013

Method for preparing graphite phase carbon nitride material with monatomic layer structure

Quan Xie; Zhao Huanxin; Yu Hongtao; Chen Shuo


Archive | 2014

Large-scale preparation method for carbon nano tube hollow fiber membrane

Quan Xie; Wei Gaoliang; Chen Shuo; Yu Hongtao


Archive | 2013

Low-temperature SCR (Selective Catalytic Reduction) denitration catalyst with multilevel macroporous-mesoporous structure and preparation method thereof

Chen Shuo; Shi Yanni; Quan Xie; Yu Hongtao


Archive | 2013

Electro-catalysis oxygen reduction catalyst based on boron-nitrogen co-doped nano-diamond

Quan Xie; Liu Yanming; Chen Shuo; Yu Hongtao; Zhang Yaobin; Zhao Huimin


Archive | 2013

Carbon-nanotube hollow fiber membrane

Quan Xie; Wei Gaoliang; Chen Shuo; Yu Hongtao


Archive | 2017

A METHOD FOR THE HIGH-THROUGHPUT PREPARATION OF CARBON NANOTUBE HOLLOW FIBER MEMBRANES

Quan Xie; Wei Gaoliang; Chen Shuo; Yu Hongtao


Journal of Applied Polymer Science | 2017

優れたろ過性能を持つ銀/グラフェン酸化物ドープを含むポリ(ふっ化ビニリデン)中空糸膜【Powered by NICT】

Fan Yaofang; Quan Xie; Zhao Huimin; Chen Shuo; Yu Hongtao; Zhang Yaobin; Zhang Qi

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Chen Shuo

Dalian University of Technology

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Quan Xie

Dalian University of Technology

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Zhao Huimin

Dalian University of Technology

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Wei Gaoliang

Dalian University of Technology

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Wang Xin

Harbin Institute of Technology

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