Ke Wang

ORCID: 0000-0001-8667-7386
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About
Contact & Profiles
Research Areas
  • Biofuel production and bioconversion
  • Microbial Metabolic Engineering and Bioproduction
  • Anaerobic Digestion and Biogas Production
  • Wastewater Treatment and Nitrogen Removal
  • Cassava research and cyanide
  • Composting and Vermicomposting Techniques
  • Acoustic Wave Phenomena Research
  • Metamaterials and Metasurfaces Applications
  • Catalysis for Biomass Conversion
  • biodegradable polymer synthesis and properties
  • Structural Behavior of Reinforced Concrete
  • Microplastics and Plastic Pollution
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Constructed Wetlands for Wastewater Treatment
  • Microbial Community Ecology and Physiology
  • Enzyme Catalysis and Immobilization
  • Structural Load-Bearing Analysis
  • Geotechnical Engineering and Underground Structures
  • Food composition and properties
  • Rough Sets and Fuzzy Logic
  • Food Quality and Safety Studies
  • Data Mining Algorithms and Applications
  • Membrane-based Ion Separation Techniques
  • Advanced Photocatalysis Techniques
  • Methane Hydrates and Related Phenomena

Karlsruhe Institute of Technology
2022-2025

Cornell University
2025

Harbin Institute of Technology
2013-2024

Science and Technology Department of Sichuan Province
2024

Yibin University
2024

University of California, Davis
2021-2022

Ministry of Education of the People's Republic of China
2017-2021

Heilongjiang University
2020-2021

University of Science and Technology Beijing
2021

Heilongjiang Institute of Technology
2021

In order to reduce considerable emissions of N-containing pollutants from combustion sewage sludge derived solid fuel, an integrated system hydrothermal deamination and air stripping was developed effectively remove recover nitrogen dewatered (DSS). Three characteristic regimes contributing were identified. Initial hydrolysis inorganic-N labile protein-N responsible for ammonium (NH4+-N) released below 300 °C/9.3 MPa, whereas pyridine-N dominated when being raised 340 °C/15.5 MPa. At 380 °C...

10.1021/acs.est.5b00652 article EN Environmental Science & Technology 2015-05-07

Abstract The interior of the synthetic unit cells and their interactions determine wave properties metamaterials composed periodic lattices these cells. While local with nearest neighbors are well appreciated, nonlocal beyond-nearest-neighbor often considered as a nuisance. Here, by introducing versatile effectively two-dimensional metamaterial platform for airborne sound elastic waves, we exploit effects powerful design tool. Within simplified discrete model, analytically show that lowest...

10.1038/s43246-022-00257-z article EN cc-by Communications Materials 2022-05-24

Metamaterials are artificial materials in which the atoms of ordinary solids replaced by tailored functional building blocks. Therefore, previous work has emphasized tailoring inside blocks, for example, exploiting local resonances, to realize unusual effective metamaterial properties. However, wave properties a not only determined its blocks but also interactions between these Here, reconfigurable "plug-and-play" electromagnetic metamaterials introduced essentially trivial standard bayonet...

10.1002/adma.202209988 article EN cc-by-nc Advanced Materials 2023-01-19

Abstract Previous theory and experiment has shown that introducing strong (nonlocal) beyond-nearest-neighbor interactions in addition to (local) nearest-neighbor into rationally designed periodic lattices called metamaterials can lead unusual wave dispersion relations of the lowest band. For roton-like dispersions, this especially includes possibility multiple solutions for wavenumber at a given frequency. Here, we study one-dimensional frequency-dependent acoustical phonon transmission slab...

10.1038/s42005-023-01184-2 article EN cc-by Communications Physics 2023-04-17

Chrome-containing waste is the major stumbling block for leather industry. However, in current manufacturing, chrome tanning difficult to replace due excellent characteristics it endows on finished and because Cr agents play a key role tanning. To reduce increasing serious pollution, this study establishes Cr-wastewater loop system (CL system) reuse effluents through high-basicity chromium agent adjusting, mechanisms of with different basicities affecting CL were explored. The basicity...

10.1021/acssuschemeng.7b04282 article EN ACS Sustainable Chemistry & Engineering 2018-01-29

Abstract A theoretical paper based on chiral micropolar effective‐medium theory suggested the possibility of unusual roton‐like acoustical‐phonon dispersion relations in 3D elastic materials. Here, as a first novelty, corresponding inverse problem is solved, that is, specific metamaterial structure designed, behavior which follows this description. The simple‐cubic lattice cubes, each not only has three translational but also rotational degrees freedom. additional freedom are crucial within...

10.1002/adfm.202302699 article EN cc-by-nc Advanced Functional Materials 2023-06-06

Abstract Ohm's law of electric conduction is local in the sense that current density at one position only depends on field same position. For a nonlocal medium, other positions within medium as well. As result law, doubling length wire doubles its resistance. Here, electrically conducting architectures are discussed theoretically and experimentally for which changing metawire rather leads to complex oscillatory behavior versus length. This connected currents inside flowing opposite direction...

10.1002/adma.202415278 article EN cc-by Advanced Materials 2025-02-21

In the absence of prior drying, dewatered sewage sludge (DSS) was directly converted to hydrochars with superior fuel characteristics in subcritical water. Hydrochar derived at 320 °C and 12.0 MPa (SHC-320) screened for systematic cocombustion different-rank coals. The results suggest that SHC-320 reduced activation energy blends altered main combustion profiles. Meanwhile, blending induced greater heat loss higher-rank coals, whereas a higher portion further improved ignition reactivity...

10.1021/ef501386g article EN Energy & Fuels 2014-08-19
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