Search Results - "Lee, Changha"

Activation of persulfates by carbon nanotubes: Oxidation of organic compounds by nonradical mechanism by Lee, Hongshin, Lee, Hye-Jin, Jeong, Joonseon, Lee, Jaesang, Park, Noh-Back, Lee, Changha

“…[Display omitted] •Carbon nanotubes activate persulfates via nonradical mechanisms.•The CNT/persulfate system effectively oxidizes phenolic compounds.•Reactive…”
Get full text

Use of CaO as an activator for producing a price-competitive non-cement structural binder using ground granulated blast furnace slag by Kim, Min Sik, Jun, Yubin, Lee, Changha, Oh, Jae Eun

“…The use of calcium oxide (CaO) demonstrates a superior potential for the activation of ground granulated blast furnace slag (GGBFS), and it produces a higher…”
Get full text

Disintegration of Waste Activated Sludge by Thermally-Activated Persulfates for Enhanced Dewaterability by Kim, Min Sik, Lee, Ki-Myeong, Kim, Hyung-Eun, Lee, Hye-Jin, Lee, Changsoo, Lee, Changha

“…Oxidation by persulfates at elevated temperatures (thermally activated persulfates) disintegrates bacterial cells and extracellular polymeric substances (EPS)…”
Get full text

Activation of Persulfates by Graphitized Nanodiamonds for Removal of Organic Compounds by Lee, Hongshin, Kim, Hyoung-il, Weon, Seunghyun, Choi, Wonyong, Hwang, Yu Sik, Seo, Jiwon, Lee, Changha, Kim, Jae-Hong

“…This study introduces graphited nanodiamond (G-ND) as an environmentally friendly, easy-to-regenerate, and cost-effective alternative catalyst to activate…”
Get full text

Fate of engineered nanoparticles: Implications in the environment by Dwivedi, Amarendra Dhar, Dubey, Shashi Prabha, Sillanpää, Mika, Kwon, Young-Nam, Lee, Changha, Varma, Rajender S.

“…Recent results on the underlying mechanisms initiating the transformations of engineered nanoparticles (ENPs) in the environment are reviewed. •Collation of…”
Get full text

Adsorption of As(V) by boehmite and alumina of different morphologies prepared under hydrothermal conditions by Dubey, Shashi Prabha, Dwivedi, Amarendra Dhar, Sillanpää, Mika, Lee, Hongshin, Kwon, Young-Nam, Lee, Changha

“…Morphology-controlled materials at the micro- and nanoscale levels are of great significance to the design and application of materials. Stable and…”
Get full text

Oxidizing Capacity of Periodate Activated with Iron-Based Bimetallic Nanoparticles by Lee, Hongshin, Yoo, Ha-Young, Choi, Jihyun, Nam, In-Hyun, Lee, Sanghyup, Lee, Seunghak, Kim, Jae-Hong, Lee, Changha, Lee, Jaesang

“…Nanosized zerovalent iron (nFe0) loaded with a secondary metal such as Ni or Cu on its surface was demonstrated to effectively activate periodate (IO4 –) and…”
Get full text

Bactericidal Effect of Zero-Valent Iron Nanoparticles on Escherichia coli by Lee, Changha, Kim, Jee Yeon, Lee, Won Il, Nelson, Kara L, Yoon, Jeyong, Sedlak, David L

“…Zero-valent iron nanoparticles (nano-Fe0) in aqueous solution rapidly inactivated Escherichia coli. A strong bactericidal effect of nano-Fe0 was found under…”
Get full text

Substrate-immobilized electrospun TiO2 nanofibers for photocatalytic degradation of pharmaceuticals: The effects of pH and dissolved organic matter characteristics by Maeng, Sung Kyu, Cho, Kangwoo, Jeong, Boyoung, Lee, Jaesang, Lee, Yunho, Lee, Changha, Choi, Kyoung Jin, Hong, Seok Won

“…A substrate-immobilized (SI) TiO2 nanofiber (NF) photocatalyst for multiple uses was prepared through electrospinning and hot pressing. The rate of furfuryl…”
Get full text

Effects of inorganic oxidants on kinetics and mechanisms of WO3-mediated photocatalytic degradation by Kim, Heechan, Yoo, Ha-Young, Hong, Seokwon, Lee, Sanghyeop, Lee, Seunghak, Park, Baek-Soo, Park, Hyunwoong, Lee, Changha, Lee, Jaesang

“…•Impact of various inorganic oxidants on WO3 photocatalytic activity is evaluated.•Combination with periodate drastically accelerates photocatalyzed oxidation…”
Get full text

Microbial Inactivation by Cupric Ion in Combination with H2O2: Role of Reactive Oxidants by Nguyen, Thuy T. M, Park, Hee-Jin, Kim, Jee Yeon, Kim, Hyung-Eun, Lee, Hongshin, Yoon, Jeyong, Lee, Changha

“…The cupric ion mediated inactivation of Escherichia coli was enhanced by the presence of hydrogen peroxide (H2O2), with increasing inactivation efficacy…”
Get full text

Inactivation of MS2 Coliphage by Ferrous Ion and Zero-Valent Iron Nanoparticles by Kim, Jee Yeon, Lee, Changha, Love, David C, Sedlak, David L, Yoon, Jeyong, Nelson, Kara L

“…This study demonstrates the inactivation of MS2 coliphage (MS2) by nano particulate zerovalent iron (nZVI) and ferrous ion (Fe[II]) in aqueous solution. For…”
Get full text

Enhanced production of reactive oxidants by Fenton-like reactions in the presence of carbon materials by Seo, Jiwon, Lee, Hye-Jin, Lee, Hongshin, Kim, Hyung-Eun, Lee, Jeong-Yong, Kim, Han S., Lee, Changha

“…•Oxidant production from the Fe(III)/H2O2 system was enhanced by carbon materials.•The reduction of Fe(III) by carbon materials is mainly responsible for the…”
Get full text

Oxidative degradation of N-nitrosodimethylamine by conventional ozonation and the advanced oxidation process ozone/hydrogen peroxide by Lee, Changha, Yoon, Jeyong, Von Gunten, Urs

“…This study investigates the oxidative degradation of N-nitrosodimethylamine (NDMA), a probable human carcinogen, by conventional ozonation and the advanced…”
Get full text

Inactivation of Escherichia coli by Nanoparticulate Zerovalent Iron and Ferrous Ion by Kim, Jee Yeon, Park, Hee-Jin, Lee, Changha, Nelson, Kara L, Sedlak, David L, Yoon, Jeyong

“…The mechanism of Escherichia coli inactivation by nanoparticulate zerovalent iron (nZVI) and Fe(II) was investigated using reactive oxygen species (ROS)…”
Get full text

Iridium-cobalt mixed oxide electrode for efficient chlorine evolution in dilute chloride solutions by Han, Sanghwi, Kim, Seongsoo, Kwak, Sungjun, Lee, Changha, Hong Jeong, Dae, Kim, Choonsoo, Yoon, Jeyong

“…[Display omitted] •In a dilute Cl− solution, ICO electrode showed high CER efficiency.•ICO showed an excellent CER efficiency close to unity above 50 mM.•The…”
Get full text

Role of Reactive Oxygen Species in Escherichia coli Inactivation by Cupric Ion by Park, Hee-Jin, Nguyen, Thuy T. M, Yoon, Jeyong, Lee, Changha

“…This study demonstrated Escherichia coli inactivation by cupric ion (Cu­[II]), focusing on intracellular generation and consumption of reactive oxygen species…”
Get full text

Oxidant production from corrosion of nano- and microparticulate zero-valent iron in the presence of oxygen: A comparative study by HONGSHIN LEE, LEE, Hye-Jin, KIM, Hyung-Eun, JIHYANG KWEON, LEE, Byeong-Dae, CHANGHA LEE

“…In aqueous solution, zero-valent iron (ZVI, Fe(0)) is known to activate oxygen (O2) into reactive oxidants such as hydroxyl radical and ferryl ion capable of…”
Get full text

Recursive Visual Explanations Mediation Scheme Based on DropAttention Model With Multiple Episodes Pool by Jeon, Minsu, Kim, Taewoo, Kim, Seonghwan, Lee, Changha, Youn, Chan-Hyun

“…In some DL applications such as remote sensing, it is hard to obtain the high task performance (e.g. accuracy) using the DL model on image analysis due to the…”
Get full text

Short Review of Multichannel Membrane Capacitive Deionization: Principle, Current Status, and Future Prospect by Kim, Nayeong, Lee, Jiho, Kim, Seonghwan, Hong, Sung Pil, Lee, Changha, Yoon, Jeyong, Kim, Choonsoo

“…Capacitive deionization (CDI) has gained a lot of attention as a promising water desalination technology. Among several CDI architectures, multichannel…”
Get full text