Heng-Xuan Zhao

ORCID: 0000-0003-2227-5876
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About
Contact & Profiles
Research Areas
  • Water Treatment and Disinfection
  • Advanced oxidation water treatment
  • Advanced Chemical Sensor Technologies
  • Legionella and Acanthamoeba research
  • Water Quality Monitoring and Analysis
  • Olfactory and Sensory Function Studies
  • Water Systems and Optimization
  • Biochemical Analysis and Sensing Techniques
  • Wastewater Treatment and Nitrogen Removal
  • Microbial Community Ecology and Physiology
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Catalytic Processes in Materials Science
  • Fecal contamination and water quality
  • Biosensors and Analytical Detection
  • Mercury impact and mitigation studies
  • Fluoride Effects and Removal
  • Advanced Photocatalysis Techniques

State Key Laboratory of Pollution Control and Resource Reuse
2022-2024

Tongji University
2022-2024

Shanghai Institute of Pollution Control and Ecological Security
2022-2024

Ministry of Water Resources of the People's Republic of China
2023-2024

Taste and odor (T&O) are among the most frequently encountered aesthetic issues in drinking water. While fungi have been reported to produce offensive odors, their contribution T&O water remains understudied often overlooked. In this study, profiles of fungal community odorants produced by 10 native isolates were investigated 36 samples collected from two treatment plants a premise plumbing system. A total 17 identified with

10.1021/acs.est.4c02575 article EN Environmental Science & Technology 2024-09-05

Fungi represent a considerable challenge given their ubiquitous inhabitation and growth in drinking water distribution systems (DWDSs), yet the germination behavior of fungal spores DWDSs is largely unknown. This study investigated three chlorine-resistant (Penicillium chrysogenum, Cladosporium halotolerans, Penicillium spinulosum) synthetic tap (STW) under varying conditions disinfectants (free chlorine, FC; monochloramine, NH2Cl), humic acid (HA), pH. The ratios tested STW(+HA) were <10%...

10.1021/acs.estlett.3c00623 article EN Environmental Science & Technology Letters 2023-09-22

The efficient removal of 2-Methylisoborneol (2-MIB), a typical odour component, in water treatment plants (WTPs), poses great challenge to conventional technology due its chemical stability. In this study, the combination ultraviolet light-emitting diode (UV-LED) and chlorine (UV-LED/chlorine) was exploited for 2-MIB removal, role (UV) wavelength investigated systematically. results showed that UV or chlorination alone did not degrade effectively, UV/chlorine process could efficiently,...

10.1080/09593330.2023.2165455 article EN Environmental Technology 2023-01-05

This study systematically investigated the combination schemes of four oxidants (KMnO4, NaClO, ClO2, and O3) powdered activate carbon (PAC) on inactivation Microcystis aeruginosa cells removal frequently detected odorants in raw water (diethyl disulfide (DEDS), bis(2-chloroisopropyl)ether (BCIE), 2-methylisoborneol (2-MIB) geosmin (GSM)). O3 showed highest pseudo-first-order rates for all compounds NaClO exhibited cell viability Chlorophyll a (Chl-a). The Freundlich model fits well...

10.2139/ssrn.4486580 preprint EN 2023-01-01

This study systematically investigated the combination schemes of four oxidants (KMnO4, NaClO, ClO2, and O3) powdered activate carbon (PAC) on inactivation Microcystis aeruginosa cells removal frequently detected odorants in raw water (diethyl disulfide (DEDS), bis(2-chloroisopropyl)ether (BCIE), 2-methylisoborneol (2-MIB) geosmin (GSM)). O3 showed highest pseudo-first-order rates for all compounds NaClO exhibited cell viability Chlorophyll a (Chl-a). The Freundlich model fits well...

10.2139/ssrn.4548566 preprint EN 2023-01-01

Efficient removal of Dimethylisophthalol (2-methylisoborneol, 2-MIB), a typical odor component, in water treatment plants (WTPs) poses great challenge to conventional technology due its chemical stability. In this study, the combination ultraviolet light-emitting diode (UV-LED) and chlorine (UV-LED/chlorine) is exploited for 2-MIB removal, role (UV) wavelength was investigated systematically. Results showed that UV or chlorination alone did not degrade effectively, but UV/chlorine process...

10.2139/ssrn.4176065 article EN SSRN Electronic Journal 2022-01-01
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