Keynote Speaker
NMCI2020 - Hui-Ming Wee

Hui-Ming Wee
Department of Industrial and Systems Engineering,Chung Yuan Christian University

Speech Title: Sustainability: Utilizing reservoir sediment waste material for the construction industry
Abstract: In the process of producing hydroelectricity, plants all over the world are faced with the problem of reservoir sediment. Sedimentation at hydropower dams results in dead storage and loss of power supply. If this sediment is removed but not properly disposed of, it can become a secondary pollutant. In the hydroelectric power plants, reservoir sediment is a waste product and has become an environmental concern worldwide. If sediment is reused, it conforms to the intent of using renewable resources. Reservoir sedimentation occurs at a rate of about 0.8 percent per year worldwide. The sedimentation rate in Asia is much higher. Recycling of reservoir sediment solves the problems. It increases the capacity of reservoirs and the effectiveness of hydroelectric power plants. The green milestone reached by
the technology is of great industrial, economic and social significance. This study proposes a way to resolve this problem through reuse and recycling material.
Keywords: sustainability; waste material; environmental concern; construction industry

NMCI2020 - Xin Jin

Xin Jin
Associate Professor
China University of Petroleum

Speech Title: Coming soon……
Abstract: Replacing fossil-based feedstocks with renewable resources is considered to be key for reducing carbon emission and environmental pollution. Catalytic conversion of biomass to fuels and chemicals is very important for establishing environment-friendly chemical processes. In this context, aqueous phase oxidation of bio-derived sugars is crucial for sustainable conversion of biomass to value-added carboxylic acids and derivatives. Tartaric acid (TA) has been widely used for additives of food, dyes and pharmaceuticals. However, TA is mainly synthesized via oxidation of Maleic anhydride, a two-step reaction generating significant amounts of toxic substances and waste products. Up to date, there is no detailed study being reported for selective oxidation of sugars to TA using heterogeneous catalysts. Therefore, we proposed AuPt/TiO2 catalyst for facile TA synthesis (50%) from glucose in base-free conditionat 100 °C 10 bar O2.
We systematically studied the transformation of TiO2 crystalline phases to explore the strong Metal-Support Interaction for enhanced oxidation performances. It is found that AuPt nanoparticles supported pure anatase TiO2 and mixed anatase+rutile phases have shown relatively better activity for glucose oxidation compared with pure rutile TiO2(conversion: ). The influence of particle size, as well as metal-metal and metal-support interaction on catalyst performances will be presented in this work. The outcome of this study will provide insights into rational design of effective metal catalysts for oxidation of sugars to value-added chemicals.

NMCI2020 - Fanian SHI

Fanian Shi
Shenyang University of Technology

Speech Title: Coming soon……
Abstract: Coming soon……

NMCI2020 - Laichang Zhang

Laichang Zhang
Edith Cowan University, Australia

Speech Title:Mechanical behavior of 3D printed titanium alloy porous scaffolds
Abstract:Beta-type titanium porous structures are a new class of solution for implants because they offer excellent combination of high strength and low Young’s modulus. This presentation studies the influence of porosity variation in 3D printing (via electron beam melting (EBM)-produced and selective laser melting (SLM)) produced beta-type titanium alloy samples on the mechanical properties including super-elastic property, Young’s modulus, compression strength, energy absorption and fatigue properties. Compared with Ti-6Al-4V samples, the beta-type titanium porous samples exhibit a higher normalized fatigue strength owing to super-elastic property, greater plastic zone ahead of the fatigue crack tip and the crack deflection behaviour. Stress distribution results, obtained by finite element methods, coupled with the investigation of the slip bands generated have been used to reveal the plasticity mechanism and local stress concentrations for each structure. The topology optimized structure exhibits the best balance of bending and buckling stress with a high elastic energy absorption, a low Young’s modulus and a high compression strength.

Submission Due: October 20, 2020
Meeting Time: November 14-16, 2020

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