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Chi-Hwa Wang

National University of Singapore (NUS)

SCHOLARLY PAPERS

22

DOWNLOADS

1,226

TOTAL CITATIONS

4

Scholarly Papers (22)

Anaerobic Digestion Effects on Biomass and Biodegradable Waste Hydrothermal Carbonization: An Analysis Using Statistic and Machine Learning Methods

Number of pages: 38 Posted: 25 Jan 2024
Yuming Wen, Yong Boon Tan, Yiying Wang and Chi-Hwa Wang
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS) and National University of Singapore (NUS)
Downloads 61 (976,517)

Abstract:

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Hydrothermal carbonization, Anaerobic digestion, Biomass, Machine learning, Waste-to-Energy.

Anaerobic Digestion Effects on Biomass and Biodegradable Waste Hydrothermal Carbonization: An Analysis Using Statistic and Machine Learning Methods

Number of pages: 33 Posted: 14 Jun 2024
Yuming Wen, Yong Boon Tan, Yiying Wang and Chi-Hwa Wang
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS) and National University of Singapore (NUS)
Downloads 52 (1,072,374)

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Hydrothermal carbonization, anaerobic digestion, Biomass, Machine Learning, Waste-to-Energy.

2.

Waste Surgical Mask and Nitrile Gloves Derived N-Doped Carbon Nanotube for Oxygen Evolution Reaction

Number of pages: 23 Posted: 28 Apr 2022
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), Agency for Science, Technology and Research (A*STAR) - Institute of Materials Research and Engineering and National University of Singapore (NUS)
Downloads 106 (664,543)

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Waste management, COVID-19, carbon nanomaterial, Bimetallic catalyst, Single-use polymer.

3.

Solar-Driven Biomass Chemical Looping Gasification Using Fe3o4 for Syngas and High-Purity Hydrogen Production

Number of pages: 25 Posted: 06 Oct 2023
Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics, National University of Singapore (NUS) - NUS Environmental Research Institute (NERI), National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics and National University of Singapore (NUS)
Downloads 89 (753,595)

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Solar energy, biomass, chemical looping gasification, hydrogen, syngas.

4.

An Epitrochoidal Rotary Reactor for Solar-Driven Hydrogen Production Based on the Redox Cycling of Ceria: Thermodynamic Analysis and Optimization

Number of pages: 32 Posted: 30 Sep 2022
National University of Singapore (NUS) - NUS Environmental Research Institute (NERI), National University of Singapore (NUS), Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Massachusetts Institute of Technology (MIT), affiliation not provided to SSRN, Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics and National University of Singapore (NUS)
Downloads 84 (777,583)

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solar thermochemistry, solar fuel, Thermodynamics, hydrogen, rotary reactor, reactor design.

5.

A Rotary Direct Air Capture Adsorber with Ultrahigh Productivity for Efficient CO 2 Enrichment in Greenhouse

Number of pages: 69 Posted: 17 Mar 2023
Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration, National University of Singapore (NUS) - NUS Environmental Research Institute (NERI), National University of Singapore (NUS), National University of Singapore (NUS) - Department of Chemical and Biomolecular Engineering and Shanghai Jiao Tong University (SJTU) - Engineering Research Centre for Solar Energy and Refrigeration
Downloads 83 (783,685)

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direct air capture, rotary adsorber, carbon dioxide, amine, temperature swing adsorption

6.

A Pilot-Scale Demonstration of Municipal Solid Waste Conversion to Energy and Resource Through Gasification and Dehumidification System

Number of pages: 35 Posted: 18 Nov 2021
affiliation not provided to SSRN, Huazhong University of Science and Technology, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics and National University of Singapore (NUS)
Downloads 67 (907,769)

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MSW gasification, desiccant coated heat exchanger, waste to energy, char, construction material

7.

Multiphysics Simulations of Concentric-Tube Internal Loop Airlift Photobioreactors for Microalgae Cultivation

Number of pages: 22 Posted: 05 Oct 2022
National University of Singapore (NUS), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and National University of Singapore (NUS)
Downloads 64 (933,592)

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Photobioreactor, Microalgae, cell growth kinetics, light attenuation, CFD.

8.

Monte-Carlo Ray Tracing Simulation of View Factors for Diffuse Solar Radiation Determination in a Cylindrical Photobioreactor Array for Microalgae Cultivation

Number of pages: 34 Posted: 19 Mar 2025
Harbin Institute of Technology, National University of Singapore (NUS), Harbin Institute of Technology, Harbin Institute of Technology, Harbin Institute of Technology, University of Birmingham, Harbin Institute of Technology, Harbin Institute of Technology, National University of Singapore (NUS) - NUS Environmental Research Institute (NERI), National University of Singapore (NUS) and Harbin Institute of Technology
Downloads 53 (1,041,696)

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Photobioreactor, diffuse solar radiation, Microalgae cultivation, view factor, Monte Carlo

9.

Activated Oil Refinery Carbon Soot for Co2 Adsoption and Stable Sequestration in Cementitious Systems

SGFIN Paper Series Forthcoming
Number of pages: 36 Posted: 15 Feb 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, National University of Singapore (NUS) and National University of Singapore (NUS) - Sustainable & Green Finance Institute (SGFIN)
Downloads 53 (1,031,043)

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CO2 Adsorption, Carbon Soot, Carbon Storage, Sustainable Concrete

10.

Green, Non-Toxic and Efficient Adsorbent from Hazardous Ash Waste for the Recovery of Valuable Metals and Heavy Metal Removal from Waste Streams

Number of pages: 27 Posted: 20 Sep 2022
affiliation not provided to SSRN, affiliation not provided to SSRN, National University of Singapore (NUS), affiliation not provided to SSRN, affiliation not provided to SSRN and National University of Singapore (NUS)
Downloads 53 (1,052,702)

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Geopolymer, Methane Sulfonic Acid, Environment-Friendly, Specific Heavy Metal Adsorption, Marine Toxicity.

11.

Iron-Cobalt-Loaded Carbon Nanotubes from Catalytic Pyrolysis of Waste Surgical Masks and Nitrile Gloves and Their Oxygen Reduction Properties

Number of pages: 27 Posted: 28 Mar 2023
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), Agency for Science, Technology and Research (A*STAR) - Institute of Materials Research and Engineering and National University of Singapore (NUS)
Downloads 52 (1,041,696)

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waste management, Carbon nanomaterial, Bimetallic catalyst, Catalytic Pyrolysis, Waste-to-Material.

12.

Latitude- and Temperature-Based Optimization of Beam-Down Solar Central Receiver Systems

Number of pages: 27 Posted: 05 Jun 2024
National University of Singapore (NUS), Harbin Institute of Technology, National University of Singapore (NUS), National University of Singapore (NUS) - NUS Environmental Research Institute (NERI), University of Birmingham, The Cyprus Institute, Harbin Institute of Technology and National University of Singapore (NUS)
Downloads 48 (1,086,013)

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concentrating solar technology, solar beam-down system, high temperature, heliostat field, system optimization

13.

Carbon Deposition Behavior on Biochar During Chemical Vapor Deposition Process

Number of pages: 50 Posted: 12 Dec 2023
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS) and National University of Singapore (NUS)
Downloads 47 (1,097,529)
Citation 3

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Plastic pyrolysis, Monolayer amorphous carbon, carbon nanofibers, carbon nanotubes, Growth mechanism.

14.

Reaction Synergy of Bimetallic Catalysts on Zsm-5 Support in Tailoring Plastic Pyrolysis for Hydrogen and Value-Added Product Production

Number of pages: 39 Posted: 27 Mar 2024
Harbin Institute of Technology, National University of Singapore (NUS), Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics, Harbin Institute of Technology and National University of Singapore (NUS)
Downloads 46 (1,109,210)

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Plastic, catalytic pyrolysis, NiCo binary, hydrogen production, jet fuel.

15.

Techno-Economic Analysis of Coal and Poultry Manure Combustion in a Pressurized Oxy-Fuel Cfb System Coupled with Soec

Number of pages: 52 Posted: 06 May 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, Southeast University, Southeast University, affiliation not provided to SSRN, National University of Singapore (NUS) and Southeast University
Downloads 45 (1,133,231)

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Oxy-fuel combustion, Pressurized CFB, CO2 capture, Techno-economic analysis, SOEC

16.

Meeting the Heavy Metal Safety Requirements for Food Crops by Using Biochar: An Investigation by Using Sunflower as a Representative Plant Under Different Atmospheric Co2 Concentrations

Number of pages: 44 Posted: 18 Nov 2022
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics and National University of Singapore (NUS)
Downloads 42 (1,170,409)

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Elevated CO2, greenhouse, plant growth, biochar standard, potting substrate.

17.

Two Negatives Make a Positive: The Counteractive Catalytic Effects of Feni- Versus Fe- and Ni- in Plastic Pyrolysis for Advanced-Quality Jet Fuel Production

Number of pages: 43 Posted: 24 Oct 2023
National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), Harbin Institute of Technology and National University of Singapore (NUS)
Downloads 41 (1,170,409)

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Plastic, Catalytic pyrolysis, Jet fuel, FeNi loaded catalyst, Energy flow.

18.

Freeze-Casting Multicomponent Aerogel with Controllable Asymmetric Multilayer Configuration for High Flux Gravity-Driven Separation of Oil-Water Emulsions

Number of pages: 26 Posted: 16 Feb 2022
Ming Hang Tai, Babu Cadiam Mohan and Chi-Hwa Wang
affiliation not provided to SSRN, affiliation not provided to SSRN and National University of Singapore (NUS)
Downloads 39 (1,196,171)

Abstract:

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Freeze-casting, aerogel, oil/water emulsion, carbon, multilayer.

19.

Reaction Synergy of Bimetallic Catalysts on Zsm-5 Support in Tailoring Plastic Pyrolysis for Hydrogen and Value-Added Product Production

Number of pages: 39 Posted: 30 Mar 2024
Harbin Institute of Technology, National University of Singapore (NUS), Shanghai Jiao Tong University (SJTU) - Institute of Refrigeration and Cryogenics, Harbin Institute of Technology and National University of Singapore (NUS)
Downloads 28 (1,345,526)
Citation 1

Abstract:

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Plastic, catalytic pyrolysis, NiCo binary, hydrogen production, jet fuel.

20.

Two Negatives Make a Positive: The Counteractive Catalytic Effects of Feni Versus Fe and Ni in Plastic Pyrolysis for Advanced-Quality Jet Fuel Production

Number of pages: 42 Posted: 01 Feb 2024
Harbin Institute of Technology, National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), Harbin Institute of Technology and National University of Singapore (NUS)
Downloads 26 (1,372,601)

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Plastic, Catalytic pyrolysis, Jet fuel, FeNi loaded catalyst, Energy flow.

21.

Proposal and Performance Analysis of a Hydrogen and Electricity Cogeneration System Based on Novel Pressurized Oxyfuel Combustion Technology

Number of pages: 45 Posted: 10 Apr 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Southeast University, Xiamen University, National University of Singapore (NUS) and affiliation not provided to SSRN
Downloads 24 (1,399,036)

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Pressurized Oxyfuel combustion, hydrogen, Gasification, thermodynamic analysis, System integration, CO2 capture and sequestration

22.

Towards Understanding Respiratory Particle Transport and Deposition in the Human Respiratory System: Effects of Physiological Conditions and Particle Properties

Number of pages: 24 Posted: 29 Apr 2022
affiliation not provided to SSRN, affiliation not provided to SSRN, National University of Singapore (NUS), University of Glasgow and National University of Singapore (NUS)
Downloads 23 (1,424,331)

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fly ash, Deposition, Respiration, toxicology, COVID-19.