Xi Chen

ORCID: 0000-0001-6404-3614
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About
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Research Areas
  • Analytical chemistry methods development
  • Membrane Separation Technologies
  • Analytical Chemistry and Chromatography
  • Membrane-based Ion Separation Techniques
  • Recycling and Waste Management Techniques
  • Pesticide Residue Analysis and Safety
  • Extraction and Separation Processes
  • Electrochemical sensors and biosensors
  • Advanced Chemical Sensor Technologies
  • Electrochemical Analysis and Applications
  • Mass Spectrometry Techniques and Applications
  • Ammonia Synthesis and Nitrogen Reduction
  • Wastewater Treatment and Nitrogen Removal
  • Water Quality Monitoring and Analysis
  • Pharmacological Effects and Assays
  • Adsorption and biosorption for pollutant removal
  • Plant-Microbe Interactions and Immunity
  • Solar-Powered Water Purification Methods
  • Microfluidic and Capillary Electrophoresis Applications
  • Effects and risks of endocrine disrupting chemicals
  • Analytical Chemistry and Sensors
  • Membrane Separation and Gas Transport
  • Municipal Solid Waste Management
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Chemical Analysis and Environmental Impact

Stanford University
2007-2025

Southwest University
2022-2025

Xiamen University
1998-2025

Chinese Center For Disease Control and Prevention
2018-2025

City University of Hong Kong
2025

Hangzhou Medical College
2025

Zhejiang Provincial People's Hospital
2025

Rice University
2025

Nanjing Agricultural University
2024

Northeast Agricultural University
2012-2024

Abstract Recycling lithium-ion batteries (LIBs) can supplement critical materials and improve the environmental sustainability of LIB supply chains. In this work, impacts (greenhouse gas emissions, water consumption, energy consumption) industrial-scale production battery-grade cathode from end-of-life LIBs are compared to those conventional mining Converting mixed-stream into reduces by at least 58%. mixed metal products instead discrete salts further impacts. Electricity consumption is...

10.1038/s41467-025-56063-x article EN cc-by Nature Communications 2025-01-24

Current practice of using thermally driven methods to treat hypersaline brines is highly energy-intensive and costly. While conventional reverse osmosis (RO) the most efficient desalination technique, it confined purifying seawater lower salinity sources. Hydraulic pressure restrictions elevated energy demand render RO unsuitable for high-salinity streams. Here, we propose an innovative cascading osmotically mediated (COMRO) technology overcome limitations RO. The innovation utilizes novel...

10.1021/acs.est.7b05774 article EN Environmental Science & Technology 2018-01-23

Zero liquid discharge (ZLD) of hypersaline brines is technically and energetically challenging. This study demonstrates ZLD ultrahigh-salinity using temperature swing solvent extraction (TSSE), a membrane-less nonevaporative desalination technology. TSSE utilizes low-polarity to extract water from brine then releases the as product with application low-temperature heat. Complete feed, simulated by 5.0 M NaCl solution (≈292 g/L TDS), was achieved diisopropylamine solvent. Practically all salt...

10.1021/acs.est.0c02555 article EN Environmental Science & Technology 2020-06-23

Metal organic frameworks (MOFs) represent one of the largest classes porous crystalline materials. MOFs have been increasingly applied as functionalizing agents for membranes because their porosity, high surface area, small particle size, aspect ratio control, tuneability, compatibility with a polymeric network, and exuberance diverse functional groups. In this comprehensive review paper, we discuss achievements, opportunities, challenges related to functionalization different types using...

10.1021/acs.iecr.1c00543 article EN Industrial & Engineering Chemistry Research 2021-04-29

The current strategies for nanoelectrode functionalization usually involve sophisticated modification procedures, uncontrollable and unstable modifier assembly, as well a limited variety of modifiers. To address this issue, we propose versatile strategy large-scale synthesis biomimetic molecular catalysts (BMCs) modified nanowires (NWs) to construct functionalized electrochemical nanosensors. This design protocol employs an easy, controllable stable assembly diverse...

10.1002/anie.202115820 article EN Angewandte Chemie International Edition 2022-02-08

10.1016/j.resconrec.2022.106643 article EN Resources Conservation and Recycling 2022-09-13

Nitrogen in wastewater has negative environmental, human health, and economic impacts but can be recovered to reduce the costs environmental of treatment chemical production. To recover ammonia/ammonium (total ammonia nitrogen, TAN) from urine, we operated electrochemical stripping (ECS) for over a month, achieving 83.4 ± 1.5% TAN removal 73.0 2.9% recovery. With two reactors, sixteen 500-mL batches (8 L total) ammonium sulfate (20.9 g/L approaching commercial fertilizer concentrations (28.4...

10.1021/acsenvironau.3c00058 article EN cc-by-nc-nd ACS Environmental Au 2024-01-12

Abstract Hydrometallurgy, owing to its simplicity and efficiency, has emerged as the most competent method for bulk Lithium‐ion batteries (LIB) waste recycling. Current hydrometallurgical methods rely on three different classes of lixiviants, i.e., inorganic acids, organic deep eutectic solvents (DES). While acids show unmatched their toxicity raises concerns over large‐scale usage. Over past decade, research greener alternatives, e.g., DESs, made immense progress. The cradle‐to‐grave life...

10.1002/aenm.202405348 article EN Advanced Energy Materials 2025-03-10

Phytophthora root and stem rot of soybean caused by the oomycete sojae, is a destructive disease worldwide. Ethylene response factors (ERFs) play important roles in regulating plant biotic abiotic stress tolerance. In this study, new ethylene factor gene, GmERF113, was isolated from highly resistant 'Suinong 10'. Sequence analysis suggested that protein encoded GmERF113 contained conserved AP2/ERF domain 58 amino acid belonged to B-4 subgroup ERF subfamily. Expression significantly induced...

10.3389/fpls.2017.00299 article EN cc-by Frontiers in Plant Science 2017-03-07

The high concentration of ammonia in source-separated urine offers propitious opportunities for N recovery. Membrane distillation (MD) can recover volatile from hydrolyzed urine, but conventional operation suffers the simultaneous permeation water vapor that results poor selectivity transport and energy demand. Here, we present a novel MD—isothermal membrane with acidic collector (IMD-AC)—to overcome limitations MD. innovative isothermal operation, i.e., same feed temperatures, effectively...

10.1021/acssuschemeng.0c00643 article EN ACS Sustainable Chemistry & Engineering 2020-04-22

Abstract Water is a crucial raw material in economic production activities. Research indicates that water scarcity can lead to significant output losses (water risk, WSR), affecting not only the local area (referred as LWSR) but also causing other regions through trade networks virtual VWSR). With climate change exacerbating this challenge, understanding risk under changing climatic conditions essential. However, few studies have addressed issue comprehensively. To fill gap, we developed...

10.1002/wer.70031 article EN Water Environment Research 2025-02-27

To comprehensively clarify human exposure to halogenated flame retardants (HFRs) and polychlorinated biphenyls (PCBs) through dermal uptake hand-to-mouth intake, skin wipe samples from four typical locations 30 volunteers were collected. The total concentration of the target chemicals (24 HFRs 16 PCBs) ranged 203 4470 ng/m2. BDE-209 DBDPE accounted for about 37 40% ∑24HFRs, respectively, PCB-41 PCB-110 dominant PCB congeners, with proportion 24 10%, respectively. Although exhibiting...

10.1021/acs.est.9b04757 article EN Environmental Science & Technology 2019-10-21

Abstract Pseudomonas aeruginosa PAO1 wild type and a mucoid derivative (FRD1) which over produces alginate were used to foul reverse osmosis (RO) membranes. When operated at constant flux, biofilm formation on the RO membrane resulted in slow rise transmembrane pressure (TMP) of 22% for initial four days operation, followed by sharp increase 159% following two days. The TMP was probably due surface, then accelerated rate biofouling through effect concentration polarization. At later stages...

10.1080/08927014.2013.772141 article EN Biofouling 2013-03-01
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